acinclude.m4 (GLIBCPP_CHECK_LINKER_FEATURES): Comment out exception-throwing code...

2000-10-11  Phil Edwards  <pme@sources.redhat.com>

	* acinclude.m4 (GLIBCPP_CHECK_LINKER_FEATURES):  Comment out
	  exception-throwing code for linker test.
	* aclocal.m4:  Regenerate.
	* configure:  Regenerate.

From-SVN: r36838

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index babc5bc..a2164de 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,10 @@
+2000-10-11  Phil Edwards  <pme@sources.redhat.com>
+
+       * acinclude.m4 (GLIBCPP_CHECK_LINKER_FEATURES):  Comment out
+         exception-throwing code for linker test.
+       * aclocal.m4:  Regenerate.
+       * configure:  Regenerate.
+
 2000-10-10  Benjamin Kosnik  <bkoz@purist.soma.redhat.com>
 
        * Makefile.am (LIBSUPCXX_INCLUDES): Adjust.

diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index 2df0986..a18b70d 100644 (file)
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -273,8 +273,8 @@ AC_DEFUN(GLIBCPP_CHECK_LINKER_FEATURES, [
     AC_TRY_RUN([
      int main(void) 
      {
-       try { throw 1; }
-       catch (...) { };
+       //try { throw 1; }
+       //catch (...) { };
        return 0;
      }
     ], [ac_sectionLDflags=yes], [ac_sectionLFflags=no], [ac_sectionLDflags=yes])

diff --git a/libstdc++-v3/aclocal.m4 b/libstdc++-v3/aclocal.m4
index fd7099a..780c3a8 100644 (file)
--- a/libstdc++-v3/aclocal.m4
+++ b/libstdc++-v3/aclocal.m4
@@ -285,8 +285,8 @@ AC_DEFUN(GLIBCPP_CHECK_LINKER_FEATURES, [
     AC_TRY_RUN([
      int main(void) 
      {
-       try { throw 1; }
-       catch (...) { };
+       //try { throw 1; }
+       //catch (...) { };
        return 0;
      }
     ], [ac_sectionLDflags=yes], [ac_sectionLFflags=no], [ac_sectionLDflags=yes])

diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 71f4b5b..437c407 100755 (executable)
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -66,6 +66,7 @@ program_suffix=NONE
 program_transform_name=s,x,x,
 silent=
 site=
+sitefile=
 srcdir=
 target=NONE
 verbose=
@@ -180,6 +181,7 @@ Configuration:
   --help                  print this message
   --no-create             do not create output files
   --quiet, --silent       do not print \`checking...' messages
+  --site-file=FILE        use FILE as the site file
   --version               print the version of autoconf that created configure
 Directory and file names:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -350,6 +352,11 @@ EOF
   -site=* | --site=* | --sit=*)
     site="$ac_optarg" ;;
 
+  -site-file | --site-file | --site-fil | --site-fi | --site-f)
+    ac_prev=sitefile ;;
+  -site-file=* | --site-file=* | --site-fil=* | --site-fi=* | --site-f=*)
+    sitefile="$ac_optarg" ;;
+
   -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
     ac_prev=srcdir ;;
   -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
@@ -515,12 +522,16 @@ fi
 srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
 
 # Prefer explicitly selected file to automatically selected ones.
-if test -z "$CONFIG_SITE"; then
-  if test "x$prefix" != xNONE; then
-    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
-  else
-    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+if test -z "$sitefile"; then
+  if test -z "$CONFIG_SITE"; then
+    if test "x$prefix" != xNONE; then
+      CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+    else
+      CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+    fi
   fi
+else
+  CONFIG_SITE="$sitefile"
 fi
 for ac_site_file in $CONFIG_SITE; do
   if test -r "$ac_site_file"; then
@@ -608,7 +619,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:612: checking host system type" >&5
+echo "configure:623: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -629,7 +640,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:633: checking target system type" >&5
+echo "configure:644: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -647,7 +658,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:651: checking build system type" >&5
+echo "configure:662: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -696,7 +707,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:700: checking for a BSD compatible install" >&5
+echo "configure:711: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -749,7 +760,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
-echo "configure:753: checking whether build environment is sane" >&5
+echo "configure:764: checking whether build environment is sane" >&5
 # Just in case
 sleep 1
 echo timestamp > conftestfile
@@ -806,7 +817,7 @@ test "$program_suffix" != NONE &&
 test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:810: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:821: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -839,12 +850,12 @@ else
 fi
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:843: checking for Cygwin environment" >&5
+echo "configure:854: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 848 "configure"
+#line 859 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -855,7 +866,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:859: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:870: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -872,19 +883,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:876: checking for mingw32 environment" >&5
+echo "configure:887: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 881 "configure"
+#line 892 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:888: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:899: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -944,7 +955,7 @@ EOF
 
 missing_dir=`cd $ac_aux_dir && pwd`
 echo $ac_n "checking for working aclocal""... $ac_c" 1>&6
-echo "configure:948: checking for working aclocal" >&5
+echo "configure:959: checking for working aclocal" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -957,7 +968,7 @@ else
 fi
 
 echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
-echo "configure:961: checking for working autoconf" >&5
+echo "configure:972: checking for working autoconf" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -970,7 +981,7 @@ else
 fi
 
 echo $ac_n "checking for working automake""... $ac_c" 1>&6
-echo "configure:974: checking for working automake" >&5
+echo "configure:985: checking for working automake" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -983,7 +994,7 @@ else
 fi
 
 echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
-echo "configure:987: checking for working autoheader" >&5
+echo "configure:998: checking for working autoheader" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -996,7 +1007,7 @@ else
 fi
 
 echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
-echo "configure:1000: checking for working makeinfo" >&5
+echo "configure:1011: checking for working makeinfo" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1031,7 +1042,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1035: checking for $ac_word" >&5
+echo "configure:1046: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1061,7 +1072,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1065: checking for $ac_word" >&5
+echo "configure:1076: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1110,7 +1121,7 @@ fi
 fi
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1114: checking whether we are using GNU C" >&5
+echo "configure:1125: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1119,7 +1130,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1123: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1134: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1134,7 +1145,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1138: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1149: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1174,7 +1185,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1178: checking for $ac_word" >&5
+echo "configure:1189: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1207,7 +1218,7 @@ test -n "$CXX" || CXX="gcc"
 test -z "$CXX" && { echo "configure: error: no acceptable c++ found in \$PATH" 1>&2; exit 1; }
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1211: checking whether we are using GNU C++" >&5
+echo "configure:1222: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1216,7 +1227,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1220: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1231: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -1231,7 +1242,7 @@ if test $ac_cv_prog_gxx = yes; then
   ac_save_CXXFLAGS="$CXXFLAGS"
   CXXFLAGS=
   echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:1235: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1246: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1262,7 +1273,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
 set dummy ${ac_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1266: checking for $ac_word" >&5
+echo "configure:1277: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1294,7 +1305,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1298: checking for $ac_word" >&5
+echo "configure:1309: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1326,7 +1337,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1330: checking for $ac_word" >&5
+echo "configure:1341: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1358,7 +1369,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1362: checking for $ac_word" >&5
+echo "configure:1373: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1403,7 +1414,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1407: checking for a BSD compatible install" >&5
+echo "configure:1418: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1457,7 +1468,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 
   echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:1461: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:1472: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -1491,7 +1502,7 @@ fi
     
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1495: checking for executable suffix" >&5
+echo "configure:1506: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1501,10 +1512,10 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:1505: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:1516: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
-      *.c | *.o | *.obj) ;;
+      *.c | *.o | *.obj | *.ilk | *.pdb) ;;
       *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
       esac
     done
@@ -1623,7 +1634,7 @@ ac_prog=ld
 if test "$ac_cv_prog_gcc" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:1627: checking for ld used by GCC" >&5
+echo "configure:1638: checking for ld used by GCC" >&5
   case $host in
   *-*-mingw*)
     # gcc leaves a trailing carriage return which upsets mingw
@@ -1653,10 +1664,10 @@ echo "configure:1627: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:1657: checking for GNU ld" >&5
+echo "configure:1668: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:1660: checking for non-GNU ld" >&5
+echo "configure:1671: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1691,7 +1702,7 @@ else
 fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:1695: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:1706: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1708,7 +1719,7 @@ with_gnu_ld=$ac_cv_prog_gnu_ld
 
 
 echo $ac_n "checking for $LD option to reload object files""... $ac_c" 1>&6
-echo "configure:1712: checking for $LD option to reload object files" >&5
+echo "configure:1723: checking for $LD option to reload object files" >&5
 if eval "test \"`echo '$''{'lt_cv_ld_reload_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1720,7 +1731,7 @@ reload_flag=$lt_cv_ld_reload_flag
 test -n "$reload_flag" && reload_flag=" $reload_flag"
 
 echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:1724: checking for BSD-compatible nm" >&5
+echo "configure:1735: checking for BSD-compatible nm" >&5
 if eval "test \"`echo '$''{'ac_cv_path_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1758,7 +1769,7 @@ NM="$ac_cv_path_NM"
 echo "$ac_t""$NM" 1>&6
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:1762: checking whether ln -s works" >&5
+echo "configure:1773: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1779,7 +1790,7 @@ else
 fi
 
 echo $ac_n "checking how to recognise dependant libraries""... $ac_c" 1>&6
-echo "configure:1783: checking how to recognise dependant libraries" >&5
+echo "configure:1794: checking how to recognise dependant libraries" >&5
 if eval "test \"`echo '$''{'lt_cv_deplibs_check_method'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1922,13 +1933,13 @@ file_magic_cmd=$lt_cv_file_magic_cmd
 deplibs_check_method=$lt_cv_deplibs_check_method
 
 echo $ac_n "checking for object suffix""... $ac_c" 1>&6
-echo "configure:1926: checking for object suffix" >&5
+echo "configure:1937: checking for object suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   rm -f conftest*
 echo 'int i = 1;' > conftest.$ac_ext
-if { (eval echo configure:1932: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1943: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   for ac_file in conftest.*; do
     case $ac_file in
     *.c) ;;
@@ -1952,7 +1963,7 @@ case "$deplibs_check_method" in
 file_magic*)
   if test "$file_magic_cmd" = '$MAGIC_CMD'; then
     echo $ac_n "checking for ${ac_tool_prefix}file""... $ac_c" 1>&6
-echo "configure:1956: checking for ${ac_tool_prefix}file" >&5
+echo "configure:1967: checking for ${ac_tool_prefix}file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2014,7 +2025,7 @@ fi
 if test -z "$lt_cv_path_MAGIC_CMD"; then
   if test -n "$ac_tool_prefix"; then
     echo $ac_n "checking for file""... $ac_c" 1>&6
-echo "configure:2018: checking for file" >&5
+echo "configure:2029: checking for file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2085,7 +2096,7 @@ esac
 # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2089: checking for $ac_word" >&5
+echo "configure:2100: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2117,7 +2128,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2121: checking for $ac_word" >&5
+echo "configure:2132: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2152,7 +2163,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
 set dummy ${ac_tool_prefix}strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2156: checking for $ac_word" >&5
+echo "configure:2167: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2184,7 +2195,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "strip", so it can be a program name with args.
 set dummy strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2188: checking for $ac_word" >&5
+echo "configure:2199: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2251,8 +2262,8 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 case "$host" in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 2255 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:2256: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  echo '#line 2266 "configure"' > conftest.$ac_ext
+  if { (eval echo configure:2267: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case "`/usr/bin/file conftest.o`" in
     *32-bit*)
       LD="${LD-ld} -32"
@@ -2273,7 +2284,7 @@ case "$host" in
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:2277: checking whether the C compiler needs -belf" >&5
+echo "configure:2288: checking whether the C compiler needs -belf" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2286,14 +2297,14 @@ ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$a
 cross_compiling=$ac_cv_prog_cc_cross
 
      cat > conftest.$ac_ext <<EOF
-#line 2290 "configure"
+#line 2301 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2297: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2308: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_needs_belf=yes
 else
@@ -2323,7 +2334,7 @@ echo "$ac_t""$lt_cv_cc_needs_belf" 1>&6
 esac
 
 echo $ac_n "checking how to run the C++ preprocessor""... $ac_c" 1>&6
-echo "configure:2327: checking how to run the C++ preprocessor" >&5
+echo "configure:2338: checking how to run the C++ preprocessor" >&5
 if test -z "$CXXCPP"; then
 if eval "test \"`echo '$''{'ac_cv_prog_CXXCPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2336,12 +2347,12 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
   CXXCPP="${CXX-g++} -E"
   cat > conftest.$ac_ext <<EOF
-#line 2340 "configure"
+#line 2351 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2345: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2356: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2476,7 +2487,7 @@ exec 5>>./config.log
         
         
 echo $ac_n "checking for GNU make""... $ac_c" 1>&6
-echo "configure:2480: checking for GNU make" >&5
+echo "configure:2491: checking for GNU make" >&5
 if eval "test \"`echo '$''{'_cv_gnu_make_command'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2508,7 +2519,7 @@ echo "$ac_t""$_cv_gnu_make_command" 1>&6 ;
 
 # Check for c++ or library specific bits that don't require linking.
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:2512: checking how to run the C preprocessor" >&5
+echo "configure:2523: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -2523,13 +2534,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 2527 "configure"
+#line 2538 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2533: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2544: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2540,13 +2551,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 2544 "configure"
+#line 2555 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2550: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2561: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2557,13 +2568,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 2561 "configure"
+#line 2572 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2567: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2578: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2590,9 +2601,9 @@ echo "$ac_t""$CPP" 1>&6
 
   # Sanity check that g++ is capable of dealing with v-3.
   echo $ac_n "checking for g++ that will successfully compile this code""... $ac_c" 1>&6
-echo "configure:2594: checking for g++ that will successfully compile this code" >&5
+echo "configure:2605: checking for g++ that will successfully compile this code" >&5
   cat > conftest.$ac_ext <<EOF
-#line 2596 "configure"
+#line 2607 "configure"
 #include "confdefs.h"
 
   #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) 
@@ -2614,7 +2625,7 @@ rm -f conftest*
 
 
     echo $ac_n "checking for cpu config directory""... $ac_c" 1>&6
-echo "configure:2618: checking for cpu config directory" >&5
+echo "configure:2629: checking for cpu config directory" >&5
 # Currently unused, but could be useful.
 #    CPU_FLAGS=                        
     case "${target_cpu}" in
@@ -2650,7 +2661,7 @@ echo "configure:2618: checking for cpu config directory" >&5
 
 
     echo $ac_n "checking for os config directory""... $ac_c" 1>&6
-echo "configure:2654: checking for os config directory" >&5
+echo "configure:2665: checking for os config directory" >&5
 # Currently unused, but could be useful.
 #    OS_FLAGS=
     case "${target_os}" in
@@ -2756,7 +2767,7 @@ esac
 
 
   echo $ac_n "checking for cstdio to use""... $ac_c" 1>&6
-echo "configure:2760: checking for cstdio to use" >&5
+echo "configure:2771: checking for cstdio to use" >&5
   # Check whether --enable-cstdio or --disable-cstdio was given.
 if test "${enable_cstdio+set}" = set; then
   enableval="$enable_cstdio"
@@ -2780,17 +2791,17 @@ fi
       # see if we are on a system with libio native (ie, linux)
       ac_safe=`echo "libio.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for libio.h""... $ac_c" 1>&6
-echo "configure:2784: checking for libio.h" >&5
+echo "configure:2795: checking for libio.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2789 "configure"
+#line 2800 "configure"
 #include "confdefs.h"
 #include <libio.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2794: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2805: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2820,9 +2831,9 @@ fi
         case "$target" in
           *-*-linux*)
            echo $ac_n "checking for glibc version >= 2.2""... $ac_c" 1>&6
-echo "configure:2824: checking for glibc version >= 2.2" >&5
+echo "configure:2835: checking for glibc version >= 2.2" >&5
            cat > conftest.$ac_ext <<EOF
-#line 2826 "configure"
+#line 2837 "configure"
 #include "confdefs.h"
 
            #include <features.h>
@@ -2932,12 +2943,12 @@ fi
 
   # Check for the existance of functions used if long long is enabled.
   echo $ac_n "checking for strtoll""... $ac_c" 1>&6
-echo "configure:2936: checking for strtoll" >&5
+echo "configure:2947: checking for strtoll" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtoll'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2941 "configure"
+#line 2952 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtoll(); below.  */
@@ -2960,7 +2971,7 @@ strtoll();
 
 ; return 0; }
 EOF
-if { (eval echo configure:2964: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2975: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtoll=yes"
 else
@@ -2981,12 +2992,12 @@ ac_strtoll=no
 fi
 
   echo $ac_n "checking for strtoull""... $ac_c" 1>&6
-echo "configure:2985: checking for strtoull" >&5
+echo "configure:2996: checking for strtoull" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtoull'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2990 "configure"
+#line 3001 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtoull(); below.  */
@@ -3009,7 +3020,7 @@ strtoull();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3013: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3024: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtoull=yes"
 else
@@ -3031,7 +3042,7 @@ fi
 
 
   echo $ac_n "checking for enabled long long""... $ac_c" 1>&6
-echo "configure:3035: checking for enabled long long" >&5
+echo "configure:3046: checking for enabled long long" >&5
   if test x"$ac_strtoll" = xno || test x"$ac_strtoull" = xno; then 
     enable_long_long=no; 
   fi; 
@@ -3046,7 +3057,7 @@ EOF
   esac
 
 echo $ac_n "checking for enabled cshadow headers""... $ac_c" 1>&6
-echo "configure:3050: checking for enabled cshadow headers" >&5
+echo "configure:3061: checking for enabled cshadow headers" >&5
 # Check whether --enable-cshadow-headers or --disable-cshadow-headers was given.
 if test "${enable_cshadow_headers+set}" = set; then
   enableval="$enable_cshadow_headers"
@@ -3094,7 +3105,7 @@ fi
 
 
       echo $ac_n "checking for threads package to use""... $ac_c" 1>&6
-echo "configure:3098: checking for threads package to use" >&5
+echo "configure:3109: checking for threads package to use" >&5
   # Check whether --enable-threads or --disable-threads was given.
 if test "${enable_threads+set}" = set; then
   enableval="$enable_threads"
@@ -3148,7 +3159,7 @@ fi
 
 
     echo $ac_n "checking for atomicity.h""... $ac_c" 1>&6
-echo "configure:3152: checking for atomicity.h" >&5
+echo "configure:3163: checking for atomicity.h" >&5
     case "$target" in
       *-*-linux*)
        ATOMICITYH=$cpu_include_dir
@@ -3330,17 +3341,17 @@ else
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:3334: checking for $ac_hdr" >&5
+echo "configure:3345: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3339 "configure"
+#line 3350 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3344: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3355: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3391,10 +3402,10 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
   # Check for more sophisticated diagnostic control.
   echo $ac_n "checking for g++ that supports -fdiagnostics-show-location=once""... $ac_c" 1>&6
-echo "configure:3395: checking for g++ that supports -fdiagnostics-show-location=once" >&5
+echo "configure:3406: checking for g++ that supports -fdiagnostics-show-location=once" >&5
   CXXFLAGS='-Werror -fdiagnostics-show-location=once'
   cat > conftest.$ac_ext <<EOF
-#line 3398 "configure"
+#line 3409 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -3402,7 +3413,7 @@ int foo;
   
 ; return 0; }
 EOF
-if { (eval echo configure:3406: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3417: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_gabydiags=yes
 else
@@ -3425,10 +3436,10 @@ rm -f conftest*
 
   # Check for -ffunction-sections -fdata-sections
   echo $ac_n "checking for g++ that supports -ffunction-sections -fdata-sections""... $ac_c" 1>&6
-echo "configure:3429: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
+echo "configure:3440: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
   CXXFLAGS='-Werror -ffunction-sections -fdata-sections'
   cat > conftest.$ac_ext <<EOF
-#line 3432 "configure"
+#line 3443 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -3436,7 +3447,7 @@ int foo;
   
 ; return 0; }
 EOF
-if { (eval echo configure:3440: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3451: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_fdsections=yes
 else
@@ -3487,23 +3498,23 @@ cross_compiling=$ac_cv_prog_cc_cross
 
     # Check for -Wl,--gc-sections
     echo $ac_n "checking for ld that supports -Wl,--gc-sections""... $ac_c" 1>&6
-echo "configure:3491: checking for ld that supports -Wl,--gc-sections" >&5
+echo "configure:3502: checking for ld that supports -Wl,--gc-sections" >&5
     if test "$cross_compiling" = yes; then
   ac_sectionLDflags=yes
 else
   cat > conftest.$ac_ext <<EOF
-#line 3496 "configure"
+#line 3507 "configure"
 #include "confdefs.h"
 
      int main(void) 
      {
-       try { throw 1; }
-       catch (...) { };
+       //try { throw 1; }
+       //catch (...) { };
        return 0;
      }
     
 EOF
-if { (eval echo configure:3507: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:3518: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_sectionLDflags=yes
 else
@@ -3534,7 +3545,7 @@ fi
   
       
   echo $ac_n "checking for __builtin_abs declaration""... $ac_c" 1>&6
-echo "configure:3538: checking for __builtin_abs declaration" >&5
+echo "configure:3549: checking for __builtin_abs declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_abs_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3548,14 +3559,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 3552 "configure"
+#line 3563 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_abs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3559: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3570: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_abs_use=yes
 else
@@ -3578,20 +3589,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_abs_use" 1>&6
   if test x$glibcpp_cv_func___builtin_abs_use = x"yes"; then
     echo $ac_n "checking for __builtin_abs linkage""... $ac_c" 1>&6
-echo "configure:3582: checking for __builtin_abs linkage" >&5
+echo "configure:3593: checking for __builtin_abs linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_abs_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 3588 "configure"
+#line 3599 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_abs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3595: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3606: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_abs_link=yes
 else
@@ -3616,7 +3627,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_fabsf declaration""... $ac_c" 1>&6
-echo "configure:3620: checking for __builtin_fabsf declaration" >&5
+echo "configure:3631: checking for __builtin_fabsf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabsf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3630,14 +3641,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 3634 "configure"
+#line 3645 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3641: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3652: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabsf_use=yes
 else
@@ -3660,20 +3671,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_fabsf_use" 1>&6
   if test x$glibcpp_cv_func___builtin_fabsf_use = x"yes"; then
     echo $ac_n "checking for __builtin_fabsf linkage""... $ac_c" 1>&6
-echo "configure:3664: checking for __builtin_fabsf linkage" >&5
+echo "configure:3675: checking for __builtin_fabsf linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabsf_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 3670 "configure"
+#line 3681 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3677: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabsf_link=yes
 else
@@ -3698,7 +3709,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_fabs declaration""... $ac_c" 1>&6
-echo "configure:3702: checking for __builtin_fabs declaration" >&5
+echo "configure:3713: checking for __builtin_fabs declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabs_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3712,14 +3723,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 3716 "configure"
+#line 3727 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3723: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3734: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabs_use=yes
 else
@@ -3742,20 +3753,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_fabs_use" 1>&6
   if test x$glibcpp_cv_func___builtin_fabs_use = x"yes"; then
     echo $ac_n "checking for __builtin_fabs linkage""... $ac_c" 1>&6
-echo "configure:3746: checking for __builtin_fabs linkage" >&5
+echo "configure:3757: checking for __builtin_fabs linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabs_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 3752 "configure"
+#line 3763 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3770: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabs_link=yes
 else
@@ -3780,7 +3791,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_fabsl declaration""... $ac_c" 1>&6
-echo "configure:3784: checking for __builtin_fabsl declaration" >&5
+echo "configure:3795: checking for __builtin_fabsl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabsl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3794,14 +3805,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 3798 "configure"
+#line 3809 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3805: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3816: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabsl_use=yes
 else
@@ -3824,20 +3835,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_fabsl_use" 1>&6
   if test x$glibcpp_cv_func___builtin_fabsl_use = x"yes"; then
     echo $ac_n "checking for __builtin_fabsl linkage""... $ac_c" 1>&6
-echo "configure:3828: checking for __builtin_fabsl linkage" >&5
+echo "configure:3839: checking for __builtin_fabsl linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fabsl_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 3834 "configure"
+#line 3845 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3841: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3852: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fabsl_link=yes
 else
@@ -3862,7 +3873,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_labs declaration""... $ac_c" 1>&6
-echo "configure:3866: checking for __builtin_labs declaration" >&5
+echo "configure:3877: checking for __builtin_labs declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_labs_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3876,14 +3887,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 3880 "configure"
+#line 3891 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_labs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3887: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3898: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_labs_use=yes
 else
@@ -3906,20 +3917,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_labs_use" 1>&6
   if test x$glibcpp_cv_func___builtin_labs_use = x"yes"; then
     echo $ac_n "checking for __builtin_labs linkage""... $ac_c" 1>&6
-echo "configure:3910: checking for __builtin_labs linkage" >&5
+echo "configure:3921: checking for __builtin_labs linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_labs_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 3916 "configure"
+#line 3927 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_labs(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3923: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3934: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_labs_link=yes
 else
@@ -3945,7 +3956,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sqrtf declaration""... $ac_c" 1>&6
-echo "configure:3949: checking for __builtin_sqrtf declaration" >&5
+echo "configure:3960: checking for __builtin_sqrtf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sqrtf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3959,14 +3970,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 3963 "configure"
+#line 3974 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:3970: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3981: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sqrtf_use=yes
 else
@@ -3989,20 +4000,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sqrtf_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sqrtf_use = x"yes"; then
     echo $ac_n "checking for __builtin_sqrtf linkage""... $ac_c" 1>&6
-echo "configure:3993: checking for __builtin_sqrtf linkage" >&5
+echo "configure:4004: checking for __builtin_sqrtf linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sqrtf_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 3999 "configure"
+#line 4010 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4006: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4017: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sqrtf_link=yes
 else
@@ -4027,7 +4038,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_fsqrt declaration""... $ac_c" 1>&6
-echo "configure:4031: checking for __builtin_fsqrt declaration" >&5
+echo "configure:4042: checking for __builtin_fsqrt declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fsqrt_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4041,14 +4052,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4045 "configure"
+#line 4056 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fsqrt(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4052: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4063: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fsqrt_use=yes
 else
@@ -4071,20 +4082,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_fsqrt_use" 1>&6
   if test x$glibcpp_cv_func___builtin_fsqrt_use = x"yes"; then
     echo $ac_n "checking for __builtin_fsqrt linkage""... $ac_c" 1>&6
-echo "configure:4075: checking for __builtin_fsqrt linkage" >&5
+echo "configure:4086: checking for __builtin_fsqrt linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_fsqrt_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 4081 "configure"
+#line 4092 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_fsqrt(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4088: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4099: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_fsqrt_link=yes
 else
@@ -4109,7 +4120,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sqrtl declaration""... $ac_c" 1>&6
-echo "configure:4113: checking for __builtin_sqrtl declaration" >&5
+echo "configure:4124: checking for __builtin_sqrtl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sqrtl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4123,14 +4134,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4127 "configure"
+#line 4138 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4134: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4145: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sqrtl_use=yes
 else
@@ -4153,20 +4164,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sqrtl_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sqrtl_use = x"yes"; then
     echo $ac_n "checking for __builtin_sqrtl linkage""... $ac_c" 1>&6
-echo "configure:4157: checking for __builtin_sqrtl linkage" >&5
+echo "configure:4168: checking for __builtin_sqrtl linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sqrtl_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 4163 "configure"
+#line 4174 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4170: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4181: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sqrtl_link=yes
 else
@@ -4192,7 +4203,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sinf declaration""... $ac_c" 1>&6
-echo "configure:4196: checking for __builtin_sinf declaration" >&5
+echo "configure:4207: checking for __builtin_sinf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4206,14 +4217,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4210 "configure"
+#line 4221 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4217: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4228: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sinf_use=yes
 else
@@ -4236,20 +4247,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sinf_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sinf_use = x"yes"; then
     echo $ac_n "checking for __builtin_sinf linkage""... $ac_c" 1>&6
-echo "configure:4240: checking for __builtin_sinf linkage" >&5
+echo "configure:4251: checking for __builtin_sinf linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sinf_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 4246 "configure"
+#line 4257 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4253: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4264: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sinf_link=yes
 else
@@ -4274,7 +4285,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sin declaration""... $ac_c" 1>&6
-echo "configure:4278: checking for __builtin_sin declaration" >&5
+echo "configure:4289: checking for __builtin_sin declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sin_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4288,14 +4299,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4292 "configure"
+#line 4303 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sin(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4299: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4310: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sin_use=yes
 else
@@ -4318,20 +4329,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sin_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sin_use = x"yes"; then
     echo $ac_n "checking for __builtin_sin linkage""... $ac_c" 1>&6
-echo "configure:4322: checking for __builtin_sin linkage" >&5
+echo "configure:4333: checking for __builtin_sin linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sin_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 4328 "configure"
+#line 4339 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sin(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4335: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4346: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sin_link=yes
 else
@@ -4356,7 +4367,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_sinl declaration""... $ac_c" 1>&6
-echo "configure:4360: checking for __builtin_sinl declaration" >&5
+echo "configure:4371: checking for __builtin_sinl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sinl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4370,14 +4381,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4374 "configure"
+#line 4385 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sinl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4381: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4392: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sinl_use=yes
 else
@@ -4400,20 +4411,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_sinl_use" 1>&6
   if test x$glibcpp_cv_func___builtin_sinl_use = x"yes"; then
     echo $ac_n "checking for __builtin_sinl linkage""... $ac_c" 1>&6
-echo "configure:4404: checking for __builtin_sinl linkage" >&5
+echo "configure:4415: checking for __builtin_sinl linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_sinl_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 4410 "configure"
+#line 4421 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_sinl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4417: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4428: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_sinl_link=yes
 else
@@ -4439,7 +4450,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_cosf declaration""... $ac_c" 1>&6
-echo "configure:4443: checking for __builtin_cosf declaration" >&5
+echo "configure:4454: checking for __builtin_cosf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4453,14 +4464,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4457 "configure"
+#line 4468 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cosf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4464: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4475: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cosf_use=yes
 else
@@ -4483,20 +4494,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_cosf_use" 1>&6
   if test x$glibcpp_cv_func___builtin_cosf_use = x"yes"; then
     echo $ac_n "checking for __builtin_cosf linkage""... $ac_c" 1>&6
-echo "configure:4487: checking for __builtin_cosf linkage" >&5
+echo "configure:4498: checking for __builtin_cosf linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cosf_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 4493 "configure"
+#line 4504 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cosf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4500: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4511: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cosf_link=yes
 else
@@ -4521,7 +4532,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_cos declaration""... $ac_c" 1>&6
-echo "configure:4525: checking for __builtin_cos declaration" >&5
+echo "configure:4536: checking for __builtin_cos declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cos_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4535,14 +4546,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4539 "configure"
+#line 4550 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cos(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4546: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4557: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cos_use=yes
 else
@@ -4565,20 +4576,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_cos_use" 1>&6
   if test x$glibcpp_cv_func___builtin_cos_use = x"yes"; then
     echo $ac_n "checking for __builtin_cos linkage""... $ac_c" 1>&6
-echo "configure:4569: checking for __builtin_cos linkage" >&5
+echo "configure:4580: checking for __builtin_cos linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cos_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 4575 "configure"
+#line 4586 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cos(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4582: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4593: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cos_link=yes
 else
@@ -4603,7 +4614,7 @@ EOF
 
   
   echo $ac_n "checking for __builtin_cosl declaration""... $ac_c" 1>&6
-echo "configure:4607: checking for __builtin_cosl declaration" >&5
+echo "configure:4618: checking for __builtin_cosl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4617,14 +4628,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4621 "configure"
+#line 4632 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cosl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4628: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4639: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cosl_use=yes
 else
@@ -4647,20 +4658,20 @@ fi
   echo "$ac_t""$glibcpp_cv_func___builtin_cosl_use" 1>&6
   if test x$glibcpp_cv_func___builtin_cosl_use = x"yes"; then
     echo $ac_n "checking for __builtin_cosl linkage""... $ac_c" 1>&6
-echo "configure:4651: checking for __builtin_cosl linkage" >&5
+echo "configure:4662: checking for __builtin_cosl linkage" >&5
     if eval "test \"`echo '$''{'glibcpp_cv_func___builtin_cosl_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
       cat > conftest.$ac_ext <<EOF
-#line 4657 "configure"
+#line 4668 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  __builtin_cosl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4664: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4675: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   glibcpp_cv_func___builtin_cosl_link=yes
 else
@@ -4750,7 +4761,7 @@ EOF
   CXXFLAGS='-fno-builtins -D_GNU_SOURCE'
 
     echo $ac_n "checking for sin in -lm""... $ac_c" 1>&6
-echo "configure:4754: checking for sin in -lm" >&5
+echo "configure:4765: checking for sin in -lm" >&5
 ac_lib_var=`echo m'_'sin | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4758,7 +4769,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4762 "configure"
+#line 4773 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4769,7 +4780,7 @@ int main() {
 sin()
 ; return 0; }
 EOF
-if { (eval echo configure:4773: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4784: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4795,12 +4806,12 @@ fi
     for ac_func in strtof strtold
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4799: checking for $ac_func" >&5
+echo "configure:4810: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4804 "configure"
+#line 4815 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4823,7 +4834,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4827: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4850,7 +4861,7 @@ done
 
     
   echo $ac_n "checking for isinf declaration""... $ac_c" 1>&6
-echo "configure:4854: checking for isinf declaration" >&5
+echo "configure:4865: checking for isinf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_isinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4864,14 +4875,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4868 "configure"
+#line 4879 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  isinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4875: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4886: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isinf_use=yes
 else
@@ -4896,12 +4907,12 @@ fi
     for ac_func in isinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4900: checking for $ac_func" >&5
+echo "configure:4911: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4905 "configure"
+#line 4916 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4924,7 +4935,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4928: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4939: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4952,7 +4963,7 @@ done
 
   
   echo $ac_n "checking for isnan declaration""... $ac_c" 1>&6
-echo "configure:4956: checking for isnan declaration" >&5
+echo "configure:4967: checking for isnan declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_isnan_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4966,14 +4977,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 4970 "configure"
+#line 4981 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  isnan(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4977: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4988: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isnan_use=yes
 else
@@ -4998,12 +5009,12 @@ fi
     for ac_func in isnan
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5002: checking for $ac_func" >&5
+echo "configure:5013: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5007 "configure"
+#line 5018 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5026,7 +5037,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5030: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5041: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5054,7 +5065,7 @@ done
 
   
   echo $ac_n "checking for finite declaration""... $ac_c" 1>&6
-echo "configure:5058: checking for finite declaration" >&5
+echo "configure:5069: checking for finite declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_finite_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5068,14 +5079,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5072 "configure"
+#line 5083 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  finite(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5079: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5090: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_finite_use=yes
 else
@@ -5100,12 +5111,12 @@ fi
     for ac_func in finite
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5104: checking for $ac_func" >&5
+echo "configure:5115: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5109 "configure"
+#line 5120 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5128,7 +5139,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5132: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5143: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5156,7 +5167,7 @@ done
 
   
   echo $ac_n "checking for copysign declaration""... $ac_c" 1>&6
-echo "configure:5160: checking for copysign declaration" >&5
+echo "configure:5171: checking for copysign declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_copysign_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5170,14 +5181,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5174 "configure"
+#line 5185 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  copysign(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:5181: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5192: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_copysign_use=yes
 else
@@ -5202,12 +5213,12 @@ fi
     for ac_func in copysign
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5206: checking for $ac_func" >&5
+echo "configure:5217: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5211 "configure"
+#line 5222 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5230,7 +5241,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5234: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5245: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5258,7 +5269,7 @@ done
 
   
   echo $ac_n "checking for sincos declaration""... $ac_c" 1>&6
-echo "configure:5262: checking for sincos declaration" >&5
+echo "configure:5273: checking for sincos declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_sincos_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5272,14 +5283,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5276 "configure"
+#line 5287 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sincos(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:5283: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5294: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sincos_use=yes
 else
@@ -5304,12 +5315,12 @@ fi
     for ac_func in sincos
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5308: checking for $ac_func" >&5
+echo "configure:5319: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5313 "configure"
+#line 5324 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5332,7 +5343,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5336: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5347: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5360,7 +5371,7 @@ done
 
   
   echo $ac_n "checking for fpclass declaration""... $ac_c" 1>&6
-echo "configure:5364: checking for fpclass declaration" >&5
+echo "configure:5375: checking for fpclass declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_fpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5374,14 +5385,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5378 "configure"
+#line 5389 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  fpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5385: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5396: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fpclass_use=yes
 else
@@ -5406,12 +5417,12 @@ fi
     for ac_func in fpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5410: checking for $ac_func" >&5
+echo "configure:5421: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5415 "configure"
+#line 5426 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5434,7 +5445,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5449: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5462,7 +5473,7 @@ done
 
   
   echo $ac_n "checking for qfpclass declaration""... $ac_c" 1>&6
-echo "configure:5466: checking for qfpclass declaration" >&5
+echo "configure:5477: checking for qfpclass declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_qfpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5476,14 +5487,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5480 "configure"
+#line 5491 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  qfpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5487: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5498: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_qfpclass_use=yes
 else
@@ -5508,12 +5519,12 @@ fi
     for ac_func in qfpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5512: checking for $ac_func" >&5
+echo "configure:5523: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5517 "configure"
+#line 5528 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5536,7 +5547,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5540: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5551: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5565,7 +5576,7 @@ done
 
     
   echo $ac_n "checking for isnanf declaration""... $ac_c" 1>&6
-echo "configure:5569: checking for isnanf declaration" >&5
+echo "configure:5580: checking for isnanf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_isnanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5579,14 +5590,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5583 "configure"
+#line 5594 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  isnanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5590: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5601: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isnanf_use=yes
 else
@@ -5611,12 +5622,12 @@ fi
     for ac_func in isnanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5615: checking for $ac_func" >&5
+echo "configure:5626: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5620 "configure"
+#line 5631 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5639,7 +5650,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5643: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5654: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5667,7 +5678,7 @@ done
 
   
   echo $ac_n "checking for isinff declaration""... $ac_c" 1>&6
-echo "configure:5671: checking for isinff declaration" >&5
+echo "configure:5682: checking for isinff declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_isinff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5681,14 +5692,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5685 "configure"
+#line 5696 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  isinff(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5692: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5703: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isinff_use=yes
 else
@@ -5713,12 +5724,12 @@ fi
     for ac_func in isinff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5717: checking for $ac_func" >&5
+echo "configure:5728: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5722 "configure"
+#line 5733 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5741,7 +5752,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5745: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5756: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5769,7 +5780,7 @@ done
 
   
   echo $ac_n "checking for acosf declaration""... $ac_c" 1>&6
-echo "configure:5773: checking for acosf declaration" >&5
+echo "configure:5784: checking for acosf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_acosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5783,14 +5794,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5787 "configure"
+#line 5798 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  acosf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5805: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_acosf_use=yes
 else
@@ -5815,12 +5826,12 @@ fi
     for ac_func in acosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5819: checking for $ac_func" >&5
+echo "configure:5830: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5824 "configure"
+#line 5835 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5843,7 +5854,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5847: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5858: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5871,7 +5882,7 @@ done
 
   
   echo $ac_n "checking for asinf declaration""... $ac_c" 1>&6
-echo "configure:5875: checking for asinf declaration" >&5
+echo "configure:5886: checking for asinf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_asinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5885,14 +5896,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5889 "configure"
+#line 5900 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  asinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5896: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5907: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_asinf_use=yes
 else
@@ -5917,12 +5928,12 @@ fi
     for ac_func in asinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5921: checking for $ac_func" >&5
+echo "configure:5932: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5926 "configure"
+#line 5937 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5945,7 +5956,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5949: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5960: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5973,7 +5984,7 @@ done
 
   
   echo $ac_n "checking for atanf declaration""... $ac_c" 1>&6
-echo "configure:5977: checking for atanf declaration" >&5
+echo "configure:5988: checking for atanf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_atanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5987,14 +5998,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 5991 "configure"
+#line 6002 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  atanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5998: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6009: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_atanf_use=yes
 else
@@ -6019,12 +6030,12 @@ fi
     for ac_func in atanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6023: checking for $ac_func" >&5
+echo "configure:6034: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6028 "configure"
+#line 6039 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6047,7 +6058,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6051: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6075,7 +6086,7 @@ done
 
   
   echo $ac_n "checking for atan2f declaration""... $ac_c" 1>&6
-echo "configure:6079: checking for atan2f declaration" >&5
+echo "configure:6090: checking for atan2f declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_atan2f_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6089,14 +6100,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 6093 "configure"
+#line 6104 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  atan2f(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:6100: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6111: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_atan2f_use=yes
 else
@@ -6121,12 +6132,12 @@ fi
     for ac_func in atan2f
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6125: checking for $ac_func" >&5
+echo "configure:6136: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6130 "configure"
+#line 6141 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6149,7 +6160,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6164: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6177,7 +6188,7 @@ done
 
   
   echo $ac_n "checking for ceilf declaration""... $ac_c" 1>&6
-echo "configure:6181: checking for ceilf declaration" >&5
+echo "configure:6192: checking for ceilf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_ceilf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6191,14 +6202,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 6195 "configure"
+#line 6206 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  ceilf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6202: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6213: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_ceilf_use=yes
 else
@@ -6223,12 +6234,12 @@ fi
     for ac_func in ceilf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6227: checking for $ac_func" >&5
+echo "configure:6238: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6232 "configure"
+#line 6243 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6251,7 +6262,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6255: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6279,7 +6290,7 @@ done
 
   
   echo $ac_n "checking for cosf declaration""... $ac_c" 1>&6
-echo "configure:6283: checking for cosf declaration" >&5
+echo "configure:6294: checking for cosf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_cosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6293,14 +6304,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 6297 "configure"
+#line 6308 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  cosf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6304: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6315: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_cosf_use=yes
 else
@@ -6325,12 +6336,12 @@ fi
     for ac_func in cosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6329: checking for $ac_func" >&5
+echo "configure:6340: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6334 "configure"
+#line 6345 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6353,7 +6364,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6357: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6368: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6381,7 +6392,7 @@ done
 
   
   echo $ac_n "checking for coshf declaration""... $ac_c" 1>&6
-echo "configure:6385: checking for coshf declaration" >&5
+echo "configure:6396: checking for coshf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_coshf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6395,14 +6406,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 6399 "configure"
+#line 6410 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  coshf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6406: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6417: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_coshf_use=yes
 else
@@ -6427,12 +6438,12 @@ fi
     for ac_func in coshf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6431: checking for $ac_func" >&5
+echo "configure:6442: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6436 "configure"
+#line 6447 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6455,7 +6466,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6459: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6470: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6483,7 +6494,7 @@ done
 
   
   echo $ac_n "checking for expf declaration""... $ac_c" 1>&6
-echo "configure:6487: checking for expf declaration" >&5
+echo "configure:6498: checking for expf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_expf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6497,14 +6508,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 6501 "configure"
+#line 6512 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  expf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6508: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6519: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_expf_use=yes
 else
@@ -6529,12 +6540,12 @@ fi
     for ac_func in expf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6533: checking for $ac_func" >&5
+echo "configure:6544: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6538 "configure"
+#line 6549 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6557,7 +6568,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6561: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6572: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6585,7 +6596,7 @@ done
 
   
   echo $ac_n "checking for fabsf declaration""... $ac_c" 1>&6
-echo "configure:6589: checking for fabsf declaration" >&5
+echo "configure:6600: checking for fabsf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_fabsf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6599,14 +6610,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 6603 "configure"
+#line 6614 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6610: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6621: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fabsf_use=yes
 else
@@ -6631,12 +6642,12 @@ fi
     for ac_func in fabsf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6635: checking for $ac_func" >&5
+echo "configure:6646: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6640 "configure"
+#line 6651 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6659,7 +6670,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6663: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6687,7 +6698,7 @@ done
 
   
   echo $ac_n "checking for floorf declaration""... $ac_c" 1>&6
-echo "configure:6691: checking for floorf declaration" >&5
+echo "configure:6702: checking for floorf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_floorf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6701,14 +6712,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 6705 "configure"
+#line 6716 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  floorf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6712: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6723: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_floorf_use=yes
 else
@@ -6733,12 +6744,12 @@ fi
     for ac_func in floorf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6737: checking for $ac_func" >&5
+echo "configure:6748: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6742 "configure"
+#line 6753 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6761,7 +6772,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6765: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6776: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6789,7 +6800,7 @@ done
 
   
   echo $ac_n "checking for fmodf declaration""... $ac_c" 1>&6
-echo "configure:6793: checking for fmodf declaration" >&5
+echo "configure:6804: checking for fmodf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_fmodf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6803,14 +6814,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 6807 "configure"
+#line 6818 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  fmodf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:6814: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6825: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fmodf_use=yes
 else
@@ -6835,12 +6846,12 @@ fi
     for ac_func in fmodf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6839: checking for $ac_func" >&5
+echo "configure:6850: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6844 "configure"
+#line 6855 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6863,7 +6874,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6867: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6878: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6891,7 +6902,7 @@ done
 
   
   echo $ac_n "checking for frexpf declaration""... $ac_c" 1>&6
-echo "configure:6895: checking for frexpf declaration" >&5
+echo "configure:6906: checking for frexpf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_frexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6905,14 +6916,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 6909 "configure"
+#line 6920 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  frexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:6916: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6927: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_frexpf_use=yes
 else
@@ -6937,12 +6948,12 @@ fi
     for ac_func in frexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6941: checking for $ac_func" >&5
+echo "configure:6952: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6946 "configure"
+#line 6957 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6965,7 +6976,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6969: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6980: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6993,7 +7004,7 @@ done
 
   
   echo $ac_n "checking for ldexpf declaration""... $ac_c" 1>&6
-echo "configure:6997: checking for ldexpf declaration" >&5
+echo "configure:7008: checking for ldexpf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_ldexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7007,14 +7018,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7011 "configure"
+#line 7022 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  ldexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:7018: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7029: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_ldexpf_use=yes
 else
@@ -7039,12 +7050,12 @@ fi
     for ac_func in ldexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7043: checking for $ac_func" >&5
+echo "configure:7054: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7048 "configure"
+#line 7059 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7067,7 +7078,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7071: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7082: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7095,7 +7106,7 @@ done
 
   
   echo $ac_n "checking for logf declaration""... $ac_c" 1>&6
-echo "configure:7099: checking for logf declaration" >&5
+echo "configure:7110: checking for logf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_logf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7109,14 +7120,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7113 "configure"
+#line 7124 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  logf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7120: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7131: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_logf_use=yes
 else
@@ -7141,12 +7152,12 @@ fi
     for ac_func in logf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7145: checking for $ac_func" >&5
+echo "configure:7156: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7150 "configure"
+#line 7161 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7169,7 +7180,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7173: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7197,7 +7208,7 @@ done
 
   
   echo $ac_n "checking for log10f declaration""... $ac_c" 1>&6
-echo "configure:7201: checking for log10f declaration" >&5
+echo "configure:7212: checking for log10f declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_log10f_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7211,14 +7222,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7215 "configure"
+#line 7226 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  log10f(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7222: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7233: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_log10f_use=yes
 else
@@ -7243,12 +7254,12 @@ fi
     for ac_func in log10f
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7247: checking for $ac_func" >&5
+echo "configure:7258: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7252 "configure"
+#line 7263 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7271,7 +7282,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7275: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7286: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7299,7 +7310,7 @@ done
 
   
   echo $ac_n "checking for modff declaration""... $ac_c" 1>&6
-echo "configure:7303: checking for modff declaration" >&5
+echo "configure:7314: checking for modff declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_modff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7313,14 +7324,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7317 "configure"
+#line 7328 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  modff(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:7324: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7335: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_modff_use=yes
 else
@@ -7345,12 +7356,12 @@ fi
     for ac_func in modff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7349: checking for $ac_func" >&5
+echo "configure:7360: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7354 "configure"
+#line 7365 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7373,7 +7384,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7377: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7388: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7401,7 +7412,7 @@ done
 
   
   echo $ac_n "checking for powf declaration""... $ac_c" 1>&6
-echo "configure:7405: checking for powf declaration" >&5
+echo "configure:7416: checking for powf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_powf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7415,14 +7426,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7419 "configure"
+#line 7430 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  powf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:7426: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7437: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_powf_use=yes
 else
@@ -7447,12 +7458,12 @@ fi
     for ac_func in powf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7451: checking for $ac_func" >&5
+echo "configure:7462: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7456 "configure"
+#line 7467 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7475,7 +7486,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7479: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7490: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7503,7 +7514,7 @@ done
 
   
   echo $ac_n "checking for sinf declaration""... $ac_c" 1>&6
-echo "configure:7507: checking for sinf declaration" >&5
+echo "configure:7518: checking for sinf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_sinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7517,14 +7528,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7521 "configure"
+#line 7532 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7528: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7539: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sinf_use=yes
 else
@@ -7549,12 +7560,12 @@ fi
     for ac_func in sinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7553: checking for $ac_func" >&5
+echo "configure:7564: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7558 "configure"
+#line 7569 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7577,7 +7588,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7581: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7592: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7605,7 +7616,7 @@ done
 
   
   echo $ac_n "checking for sinhf declaration""... $ac_c" 1>&6
-echo "configure:7609: checking for sinhf declaration" >&5
+echo "configure:7620: checking for sinhf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_sinhf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7619,14 +7630,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7623 "configure"
+#line 7634 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sinhf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7630: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7641: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sinhf_use=yes
 else
@@ -7651,12 +7662,12 @@ fi
     for ac_func in sinhf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7655: checking for $ac_func" >&5
+echo "configure:7666: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7660 "configure"
+#line 7671 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7679,7 +7690,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7683: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7694: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7707,7 +7718,7 @@ done
 
   
   echo $ac_n "checking for sqrtf declaration""... $ac_c" 1>&6
-echo "configure:7711: checking for sqrtf declaration" >&5
+echo "configure:7722: checking for sqrtf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_sqrtf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7721,14 +7732,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7725 "configure"
+#line 7736 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7732: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7743: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sqrtf_use=yes
 else
@@ -7753,12 +7764,12 @@ fi
     for ac_func in sqrtf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7757: checking for $ac_func" >&5
+echo "configure:7768: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7762 "configure"
+#line 7773 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7781,7 +7792,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7785: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7796: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7809,7 +7820,7 @@ done
 
   
   echo $ac_n "checking for tanf declaration""... $ac_c" 1>&6
-echo "configure:7813: checking for tanf declaration" >&5
+echo "configure:7824: checking for tanf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_tanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7823,14 +7834,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7827 "configure"
+#line 7838 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  tanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7834: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7845: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_tanf_use=yes
 else
@@ -7855,12 +7866,12 @@ fi
     for ac_func in tanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7859: checking for $ac_func" >&5
+echo "configure:7870: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7864 "configure"
+#line 7875 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7883,7 +7894,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7887: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7898: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7911,7 +7922,7 @@ done
 
   
   echo $ac_n "checking for tanhf declaration""... $ac_c" 1>&6
-echo "configure:7915: checking for tanhf declaration" >&5
+echo "configure:7926: checking for tanhf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_tanhf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7925,14 +7936,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 7929 "configure"
+#line 7940 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  tanhf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7936: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7947: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_tanhf_use=yes
 else
@@ -7957,12 +7968,12 @@ fi
     for ac_func in tanhf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7961: checking for $ac_func" >&5
+echo "configure:7972: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7966 "configure"
+#line 7977 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7985,7 +7996,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7989: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8000: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8013,7 +8024,7 @@ done
 
   
   echo $ac_n "checking for sincosf declaration""... $ac_c" 1>&6
-echo "configure:8017: checking for sincosf declaration" >&5
+echo "configure:8028: checking for sincosf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_sincosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8027,14 +8038,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8031 "configure"
+#line 8042 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sincosf(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8038: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8049: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sincosf_use=yes
 else
@@ -8059,12 +8070,12 @@ fi
     for ac_func in sincosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8063: checking for $ac_func" >&5
+echo "configure:8074: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8068 "configure"
+#line 8079 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8087,7 +8098,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8091: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8102: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8115,7 +8126,7 @@ done
 
   
   echo $ac_n "checking for finitef declaration""... $ac_c" 1>&6
-echo "configure:8119: checking for finitef declaration" >&5
+echo "configure:8130: checking for finitef declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_finitef_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8129,14 +8140,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8133 "configure"
+#line 8144 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  finitef(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8140: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8151: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_finitef_use=yes
 else
@@ -8161,12 +8172,12 @@ fi
     for ac_func in finitef
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8165: checking for $ac_func" >&5
+echo "configure:8176: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8170 "configure"
+#line 8181 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8189,7 +8200,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8193: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8204: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8218,7 +8229,7 @@ done
 
     
   echo $ac_n "checking for isnanl declaration""... $ac_c" 1>&6
-echo "configure:8222: checking for isnanl declaration" >&5
+echo "configure:8233: checking for isnanl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_isnanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8232,14 +8243,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8236 "configure"
+#line 8247 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  isnanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8243: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8254: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isnanl_use=yes
 else
@@ -8264,12 +8275,12 @@ fi
     for ac_func in isnanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8268: checking for $ac_func" >&5
+echo "configure:8279: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8273 "configure"
+#line 8284 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8292,7 +8303,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8296: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8307: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8320,7 +8331,7 @@ done
 
   
   echo $ac_n "checking for isinfl declaration""... $ac_c" 1>&6
-echo "configure:8324: checking for isinfl declaration" >&5
+echo "configure:8335: checking for isinfl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_isinfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8334,14 +8345,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8338 "configure"
+#line 8349 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  isinfl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8345: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8356: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isinfl_use=yes
 else
@@ -8366,12 +8377,12 @@ fi
     for ac_func in isinfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8370: checking for $ac_func" >&5
+echo "configure:8381: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8375 "configure"
+#line 8386 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8394,7 +8405,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8398: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8409: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8422,7 +8433,7 @@ done
 
   
   echo $ac_n "checking for copysignl declaration""... $ac_c" 1>&6
-echo "configure:8426: checking for copysignl declaration" >&5
+echo "configure:8437: checking for copysignl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_copysignl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8436,14 +8447,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8440 "configure"
+#line 8451 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  copysignl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8447: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8458: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_copysignl_use=yes
 else
@@ -8468,12 +8479,12 @@ fi
     for ac_func in copysignl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8472: checking for $ac_func" >&5
+echo "configure:8483: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8477 "configure"
+#line 8488 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8496,7 +8507,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8500: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8511: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8524,7 +8535,7 @@ done
 
   
   echo $ac_n "checking for acosl declaration""... $ac_c" 1>&6
-echo "configure:8528: checking for acosl declaration" >&5
+echo "configure:8539: checking for acosl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_acosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8538,14 +8549,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8542 "configure"
+#line 8553 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  acosl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8549: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8560: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_acosl_use=yes
 else
@@ -8570,12 +8581,12 @@ fi
     for ac_func in acosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8574: checking for $ac_func" >&5
+echo "configure:8585: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8579 "configure"
+#line 8590 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8598,7 +8609,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8602: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8613: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8626,7 +8637,7 @@ done
 
   
   echo $ac_n "checking for asinl declaration""... $ac_c" 1>&6
-echo "configure:8630: checking for asinl declaration" >&5
+echo "configure:8641: checking for asinl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_asinl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8640,14 +8651,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8644 "configure"
+#line 8655 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  asinl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8651: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_asinl_use=yes
 else
@@ -8672,12 +8683,12 @@ fi
     for ac_func in asinl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8676: checking for $ac_func" >&5
+echo "configure:8687: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8681 "configure"
+#line 8692 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8700,7 +8711,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8704: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8715: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8728,7 +8739,7 @@ done
 
   
   echo $ac_n "checking for atanl declaration""... $ac_c" 1>&6
-echo "configure:8732: checking for atanl declaration" >&5
+echo "configure:8743: checking for atanl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_atanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8742,14 +8753,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8746 "configure"
+#line 8757 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  atanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8753: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8764: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_atanl_use=yes
 else
@@ -8774,12 +8785,12 @@ fi
     for ac_func in atanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8778: checking for $ac_func" >&5
+echo "configure:8789: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8783 "configure"
+#line 8794 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8802,7 +8813,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8806: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8817: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8830,7 +8841,7 @@ done
 
   
   echo $ac_n "checking for atan2l declaration""... $ac_c" 1>&6
-echo "configure:8834: checking for atan2l declaration" >&5
+echo "configure:8845: checking for atan2l declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_atan2l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8844,14 +8855,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8848 "configure"
+#line 8859 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  atan2l(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8855: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8866: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_atan2l_use=yes
 else
@@ -8876,12 +8887,12 @@ fi
     for ac_func in atan2l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8880: checking for $ac_func" >&5
+echo "configure:8891: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8885 "configure"
+#line 8896 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8904,7 +8915,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8908: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8919: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8932,7 +8943,7 @@ done
 
   
   echo $ac_n "checking for ceill declaration""... $ac_c" 1>&6
-echo "configure:8936: checking for ceill declaration" >&5
+echo "configure:8947: checking for ceill declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_ceill_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -8946,14 +8957,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 8950 "configure"
+#line 8961 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  ceill(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8957: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8968: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_ceill_use=yes
 else
@@ -8978,12 +8989,12 @@ fi
     for ac_func in ceill
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8982: checking for $ac_func" >&5
+echo "configure:8993: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8987 "configure"
+#line 8998 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9006,7 +9017,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9010: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9021: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9034,7 +9045,7 @@ done
 
   
   echo $ac_n "checking for cosl declaration""... $ac_c" 1>&6
-echo "configure:9038: checking for cosl declaration" >&5
+echo "configure:9049: checking for cosl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_cosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9048,14 +9059,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9052 "configure"
+#line 9063 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  cosl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9059: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9070: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_cosl_use=yes
 else
@@ -9080,12 +9091,12 @@ fi
     for ac_func in cosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9084: checking for $ac_func" >&5
+echo "configure:9095: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9089 "configure"
+#line 9100 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9108,7 +9119,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9112: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9123: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9136,7 +9147,7 @@ done
 
   
   echo $ac_n "checking for coshl declaration""... $ac_c" 1>&6
-echo "configure:9140: checking for coshl declaration" >&5
+echo "configure:9151: checking for coshl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_coshl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9150,14 +9161,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9154 "configure"
+#line 9165 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  coshl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9161: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9172: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_coshl_use=yes
 else
@@ -9182,12 +9193,12 @@ fi
     for ac_func in coshl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9186: checking for $ac_func" >&5
+echo "configure:9197: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9191 "configure"
+#line 9202 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9210,7 +9221,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9214: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9225: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9238,7 +9249,7 @@ done
 
   
   echo $ac_n "checking for expl declaration""... $ac_c" 1>&6
-echo "configure:9242: checking for expl declaration" >&5
+echo "configure:9253: checking for expl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_expl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9252,14 +9263,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9256 "configure"
+#line 9267 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  expl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9263: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9274: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_expl_use=yes
 else
@@ -9284,12 +9295,12 @@ fi
     for ac_func in expl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9288: checking for $ac_func" >&5
+echo "configure:9299: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9293 "configure"
+#line 9304 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9312,7 +9323,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9316: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9327: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9340,7 +9351,7 @@ done
 
   
   echo $ac_n "checking for fabsl declaration""... $ac_c" 1>&6
-echo "configure:9344: checking for fabsl declaration" >&5
+echo "configure:9355: checking for fabsl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_fabsl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9354,14 +9365,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9358 "configure"
+#line 9369 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9365: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9376: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fabsl_use=yes
 else
@@ -9386,12 +9397,12 @@ fi
     for ac_func in fabsl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9390: checking for $ac_func" >&5
+echo "configure:9401: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9395 "configure"
+#line 9406 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9414,7 +9425,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9418: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9429: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9442,7 +9453,7 @@ done
 
   
   echo $ac_n "checking for floorl declaration""... $ac_c" 1>&6
-echo "configure:9446: checking for floorl declaration" >&5
+echo "configure:9457: checking for floorl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_floorl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9456,14 +9467,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9460 "configure"
+#line 9471 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  floorl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9467: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9478: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_floorl_use=yes
 else
@@ -9488,12 +9499,12 @@ fi
     for ac_func in floorl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9492: checking for $ac_func" >&5
+echo "configure:9503: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9497 "configure"
+#line 9508 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9516,7 +9527,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9520: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9531: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9544,7 +9555,7 @@ done
 
   
   echo $ac_n "checking for fmodl declaration""... $ac_c" 1>&6
-echo "configure:9548: checking for fmodl declaration" >&5
+echo "configure:9559: checking for fmodl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_fmodl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9558,14 +9569,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9562 "configure"
+#line 9573 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  fmodl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9569: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9580: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_fmodl_use=yes
 else
@@ -9590,12 +9601,12 @@ fi
     for ac_func in fmodl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9594: checking for $ac_func" >&5
+echo "configure:9605: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9599 "configure"
+#line 9610 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9618,7 +9629,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9622: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9633: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9646,7 +9657,7 @@ done
 
   
   echo $ac_n "checking for frexpl declaration""... $ac_c" 1>&6
-echo "configure:9650: checking for frexpl declaration" >&5
+echo "configure:9661: checking for frexpl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_frexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9660,14 +9671,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9664 "configure"
+#line 9675 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  frexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9671: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9682: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_frexpl_use=yes
 else
@@ -9692,12 +9703,12 @@ fi
     for ac_func in frexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9696: checking for $ac_func" >&5
+echo "configure:9707: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9701 "configure"
+#line 9712 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9720,7 +9731,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9724: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9735: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9748,7 +9759,7 @@ done
 
   
   echo $ac_n "checking for ldexpl declaration""... $ac_c" 1>&6
-echo "configure:9752: checking for ldexpl declaration" >&5
+echo "configure:9763: checking for ldexpl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_ldexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9762,14 +9773,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9766 "configure"
+#line 9777 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  ldexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9773: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9784: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_ldexpl_use=yes
 else
@@ -9794,12 +9805,12 @@ fi
     for ac_func in ldexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9798: checking for $ac_func" >&5
+echo "configure:9809: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9803 "configure"
+#line 9814 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9822,7 +9833,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9826: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9837: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9850,7 +9861,7 @@ done
 
   
   echo $ac_n "checking for logl declaration""... $ac_c" 1>&6
-echo "configure:9854: checking for logl declaration" >&5
+echo "configure:9865: checking for logl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_logl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9864,14 +9875,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9868 "configure"
+#line 9879 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  logl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9875: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9886: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_logl_use=yes
 else
@@ -9896,12 +9907,12 @@ fi
     for ac_func in logl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9900: checking for $ac_func" >&5
+echo "configure:9911: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9905 "configure"
+#line 9916 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9924,7 +9935,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9928: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9939: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9952,7 +9963,7 @@ done
 
   
   echo $ac_n "checking for log10l declaration""... $ac_c" 1>&6
-echo "configure:9956: checking for log10l declaration" >&5
+echo "configure:9967: checking for log10l declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_log10l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -9966,14 +9977,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 9970 "configure"
+#line 9981 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  log10l(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9977: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9988: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_log10l_use=yes
 else
@@ -9998,12 +10009,12 @@ fi
     for ac_func in log10l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10002: checking for $ac_func" >&5
+echo "configure:10013: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10007 "configure"
+#line 10018 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10026,7 +10037,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10030: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10041: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10054,7 +10065,7 @@ done
 
   
   echo $ac_n "checking for modfl declaration""... $ac_c" 1>&6
-echo "configure:10058: checking for modfl declaration" >&5
+echo "configure:10069: checking for modfl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_modfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10068,14 +10079,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10072 "configure"
+#line 10083 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  modfl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:10079: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10090: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_modfl_use=yes
 else
@@ -10100,12 +10111,12 @@ fi
     for ac_func in modfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10104: checking for $ac_func" >&5
+echo "configure:10115: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10109 "configure"
+#line 10120 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10128,7 +10139,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10132: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10143: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10156,7 +10167,7 @@ done
 
   
   echo $ac_n "checking for powl declaration""... $ac_c" 1>&6
-echo "configure:10160: checking for powl declaration" >&5
+echo "configure:10171: checking for powl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_powl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10170,14 +10181,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10174 "configure"
+#line 10185 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  powl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:10181: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10192: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_powl_use=yes
 else
@@ -10202,12 +10213,12 @@ fi
     for ac_func in powl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10206: checking for $ac_func" >&5
+echo "configure:10217: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10211 "configure"
+#line 10222 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10230,7 +10241,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10234: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10245: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10258,7 +10269,7 @@ done
 
   
   echo $ac_n "checking for sinl declaration""... $ac_c" 1>&6
-echo "configure:10262: checking for sinl declaration" >&5
+echo "configure:10273: checking for sinl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_sinl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10272,14 +10283,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10276 "configure"
+#line 10287 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sinl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10283: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10294: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sinl_use=yes
 else
@@ -10304,12 +10315,12 @@ fi
     for ac_func in sinl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10308: checking for $ac_func" >&5
+echo "configure:10319: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10313 "configure"
+#line 10324 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10332,7 +10343,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10336: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10347: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10360,7 +10371,7 @@ done
 
   
   echo $ac_n "checking for sinhl declaration""... $ac_c" 1>&6
-echo "configure:10364: checking for sinhl declaration" >&5
+echo "configure:10375: checking for sinhl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_sinhl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10374,14 +10385,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10378 "configure"
+#line 10389 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sinhl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10385: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10396: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sinhl_use=yes
 else
@@ -10406,12 +10417,12 @@ fi
     for ac_func in sinhl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10410: checking for $ac_func" >&5
+echo "configure:10421: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10415 "configure"
+#line 10426 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10434,7 +10445,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10449: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10462,7 +10473,7 @@ done
 
   
   echo $ac_n "checking for sqrtl declaration""... $ac_c" 1>&6
-echo "configure:10466: checking for sqrtl declaration" >&5
+echo "configure:10477: checking for sqrtl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_sqrtl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10476,14 +10487,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10480 "configure"
+#line 10491 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10487: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10498: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sqrtl_use=yes
 else
@@ -10508,12 +10519,12 @@ fi
     for ac_func in sqrtl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10512: checking for $ac_func" >&5
+echo "configure:10523: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10517 "configure"
+#line 10528 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10536,7 +10547,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10540: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10551: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10564,7 +10575,7 @@ done
 
   
   echo $ac_n "checking for tanl declaration""... $ac_c" 1>&6
-echo "configure:10568: checking for tanl declaration" >&5
+echo "configure:10579: checking for tanl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_tanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10578,14 +10589,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10582 "configure"
+#line 10593 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  tanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10589: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10600: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_tanl_use=yes
 else
@@ -10610,12 +10621,12 @@ fi
     for ac_func in tanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10614: checking for $ac_func" >&5
+echo "configure:10625: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10619 "configure"
+#line 10630 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10638,7 +10649,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10642: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10666,7 +10677,7 @@ done
 
   
   echo $ac_n "checking for tanhl declaration""... $ac_c" 1>&6
-echo "configure:10670: checking for tanhl declaration" >&5
+echo "configure:10681: checking for tanhl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_tanhl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10680,14 +10691,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10684 "configure"
+#line 10695 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  tanhl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10691: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10702: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_tanhl_use=yes
 else
@@ -10712,12 +10723,12 @@ fi
     for ac_func in tanhl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10716: checking for $ac_func" >&5
+echo "configure:10727: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10721 "configure"
+#line 10732 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10740,7 +10751,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10744: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10755: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10768,7 +10779,7 @@ done
 
   
   echo $ac_n "checking for sincosl declaration""... $ac_c" 1>&6
-echo "configure:10772: checking for sincosl declaration" >&5
+echo "configure:10783: checking for sincosl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_sincosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10782,14 +10793,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10786 "configure"
+#line 10797 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  sincosl(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:10793: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10804: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_sincosl_use=yes
 else
@@ -10814,12 +10825,12 @@ fi
     for ac_func in sincosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10818: checking for $ac_func" >&5
+echo "configure:10829: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10823 "configure"
+#line 10834 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10842,7 +10853,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10846: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10857: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10870,7 +10881,7 @@ done
 
   
   echo $ac_n "checking for finitel declaration""... $ac_c" 1>&6
-echo "configure:10874: checking for finitel declaration" >&5
+echo "configure:10885: checking for finitel declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func_finitel_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10884,14 +10895,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10888 "configure"
+#line 10899 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  finitel(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10895: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10906: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_finitel_use=yes
 else
@@ -10916,12 +10927,12 @@ fi
     for ac_func in finitel
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10920: checking for $ac_func" >&5
+echo "configure:10931: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10925 "configure"
+#line 10936 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10944,7 +10955,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10948: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10973,7 +10984,7 @@ done
 
           
   echo $ac_n "checking for _isinf declaration""... $ac_c" 1>&6
-echo "configure:10977: checking for _isinf declaration" >&5
+echo "configure:10988: checking for _isinf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__isinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -10987,14 +10998,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 10991 "configure"
+#line 11002 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _isinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10998: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11009: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isinf_use=yes
 else
@@ -11019,12 +11030,12 @@ fi
     for ac_func in _isinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11023: checking for $ac_func" >&5
+echo "configure:11034: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11028 "configure"
+#line 11039 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11047,7 +11058,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11051: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11075,7 +11086,7 @@ done
 
   
   echo $ac_n "checking for _isnan declaration""... $ac_c" 1>&6
-echo "configure:11079: checking for _isnan declaration" >&5
+echo "configure:11090: checking for _isnan declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__isnan_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -11089,14 +11100,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 11093 "configure"
+#line 11104 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _isnan(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11100: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11111: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isnan_use=yes
 else
@@ -11121,12 +11132,12 @@ fi
     for ac_func in _isnan
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11125: checking for $ac_func" >&5
+echo "configure:11136: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11130 "configure"
+#line 11141 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11149,7 +11160,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11164: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11177,7 +11188,7 @@ done
 
   
   echo $ac_n "checking for _finite declaration""... $ac_c" 1>&6
-echo "configure:11181: checking for _finite declaration" >&5
+echo "configure:11192: checking for _finite declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__finite_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -11191,14 +11202,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 11195 "configure"
+#line 11206 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _finite(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11202: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11213: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__finite_use=yes
 else
@@ -11223,12 +11234,12 @@ fi
     for ac_func in _finite
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11227: checking for $ac_func" >&5
+echo "configure:11238: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11232 "configure"
+#line 11243 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11251,7 +11262,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11255: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11279,7 +11290,7 @@ done
 
   
   echo $ac_n "checking for _copysign declaration""... $ac_c" 1>&6
-echo "configure:11283: checking for _copysign declaration" >&5
+echo "configure:11294: checking for _copysign declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__copysign_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -11293,14 +11304,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 11297 "configure"
+#line 11308 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _copysign(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11304: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11315: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__copysign_use=yes
 else
@@ -11325,12 +11336,12 @@ fi
     for ac_func in _copysign
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11329: checking for $ac_func" >&5
+echo "configure:11340: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11334 "configure"
+#line 11345 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11353,7 +11364,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11357: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11368: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11381,7 +11392,7 @@ done
 
   
   echo $ac_n "checking for _sincos declaration""... $ac_c" 1>&6
-echo "configure:11385: checking for _sincos declaration" >&5
+echo "configure:11396: checking for _sincos declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__sincos_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -11395,14 +11406,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 11399 "configure"
+#line 11410 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sincos(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11406: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11417: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sincos_use=yes
 else
@@ -11427,12 +11438,12 @@ fi
     for ac_func in _sincos
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11431: checking for $ac_func" >&5
+echo "configure:11442: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11436 "configure"
+#line 11447 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11455,7 +11466,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11459: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11470: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11483,7 +11494,7 @@ done
 
   
   echo $ac_n "checking for _fpclass declaration""... $ac_c" 1>&6
-echo "configure:11487: checking for _fpclass declaration" >&5
+echo "configure:11498: checking for _fpclass declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__fpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -11497,14 +11508,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 11501 "configure"
+#line 11512 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _fpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11508: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11519: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fpclass_use=yes
 else
@@ -11529,12 +11540,12 @@ fi
     for ac_func in _fpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11533: checking for $ac_func" >&5
+echo "configure:11544: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11538 "configure"
+#line 11549 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11557,7 +11568,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11561: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11572: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11585,7 +11596,7 @@ done
 
   
   echo $ac_n "checking for _qfpclass declaration""... $ac_c" 1>&6
-echo "configure:11589: checking for _qfpclass declaration" >&5
+echo "configure:11600: checking for _qfpclass declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__qfpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -11599,14 +11610,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 11603 "configure"
+#line 11614 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _qfpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11610: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11621: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__qfpclass_use=yes
 else
@@ -11631,12 +11642,12 @@ fi
     for ac_func in _qfpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11635: checking for $ac_func" >&5
+echo "configure:11646: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11640 "configure"
+#line 11651 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11659,7 +11670,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11663: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11688,7 +11699,7 @@ done
 
     
   echo $ac_n "checking for _isnanf declaration""... $ac_c" 1>&6
-echo "configure:11692: checking for _isnanf declaration" >&5
+echo "configure:11703: checking for _isnanf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__isnanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -11702,14 +11713,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 11706 "configure"
+#line 11717 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _isnanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11713: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11724: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isnanf_use=yes
 else
@@ -11734,12 +11745,12 @@ fi
     for ac_func in _isnanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11738: checking for $ac_func" >&5
+echo "configure:11749: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11743 "configure"
+#line 11754 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11762,7 +11773,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11766: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11777: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11790,7 +11801,7 @@ done
 
   
   echo $ac_n "checking for _isinff declaration""... $ac_c" 1>&6
-echo "configure:11794: checking for _isinff declaration" >&5
+echo "configure:11805: checking for _isinff declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__isinff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -11804,14 +11815,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 11808 "configure"
+#line 11819 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _isinff(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11815: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11826: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isinff_use=yes
 else
@@ -11836,12 +11847,12 @@ fi
     for ac_func in _isinff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11840: checking for $ac_func" >&5
+echo "configure:11851: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11845 "configure"
+#line 11856 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11864,7 +11875,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11868: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11879: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11892,7 +11903,7 @@ done
 
   
   echo $ac_n "checking for _acosf declaration""... $ac_c" 1>&6
-echo "configure:11896: checking for _acosf declaration" >&5
+echo "configure:11907: checking for _acosf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__acosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -11906,14 +11917,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 11910 "configure"
+#line 11921 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _acosf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11917: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11928: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__acosf_use=yes
 else
@@ -11938,12 +11949,12 @@ fi
     for ac_func in _acosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11942: checking for $ac_func" >&5
+echo "configure:11953: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11947 "configure"
+#line 11958 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11966,7 +11977,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11970: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11981: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11994,7 +12005,7 @@ done
 
   
   echo $ac_n "checking for _asinf declaration""... $ac_c" 1>&6
-echo "configure:11998: checking for _asinf declaration" >&5
+echo "configure:12009: checking for _asinf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__asinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12008,14 +12019,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12012 "configure"
+#line 12023 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _asinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12019: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12030: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__asinf_use=yes
 else
@@ -12040,12 +12051,12 @@ fi
     for ac_func in _asinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12044: checking for $ac_func" >&5
+echo "configure:12055: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12049 "configure"
+#line 12060 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12068,7 +12079,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12072: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12083: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12096,7 +12107,7 @@ done
 
   
   echo $ac_n "checking for _atanf declaration""... $ac_c" 1>&6
-echo "configure:12100: checking for _atanf declaration" >&5
+echo "configure:12111: checking for _atanf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__atanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12110,14 +12121,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12114 "configure"
+#line 12125 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _atanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12121: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12132: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__atanf_use=yes
 else
@@ -12142,12 +12153,12 @@ fi
     for ac_func in _atanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12146: checking for $ac_func" >&5
+echo "configure:12157: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12151 "configure"
+#line 12162 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12170,7 +12181,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12174: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12185: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12198,7 +12209,7 @@ done
 
   
   echo $ac_n "checking for _atan2f declaration""... $ac_c" 1>&6
-echo "configure:12202: checking for _atan2f declaration" >&5
+echo "configure:12213: checking for _atan2f declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__atan2f_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12212,14 +12223,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12216 "configure"
+#line 12227 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _atan2f(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12223: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12234: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__atan2f_use=yes
 else
@@ -12244,12 +12255,12 @@ fi
     for ac_func in _atan2f
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12248: checking for $ac_func" >&5
+echo "configure:12259: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12253 "configure"
+#line 12264 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12272,7 +12283,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12276: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12287: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12300,7 +12311,7 @@ done
 
   
   echo $ac_n "checking for _ceilf declaration""... $ac_c" 1>&6
-echo "configure:12304: checking for _ceilf declaration" >&5
+echo "configure:12315: checking for _ceilf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__ceilf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12314,14 +12325,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12318 "configure"
+#line 12329 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _ceilf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12325: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12336: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__ceilf_use=yes
 else
@@ -12346,12 +12357,12 @@ fi
     for ac_func in _ceilf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12350: checking for $ac_func" >&5
+echo "configure:12361: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12355 "configure"
+#line 12366 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12374,7 +12385,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12378: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12389: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12402,7 +12413,7 @@ done
 
   
   echo $ac_n "checking for _cosf declaration""... $ac_c" 1>&6
-echo "configure:12406: checking for _cosf declaration" >&5
+echo "configure:12417: checking for _cosf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__cosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12416,14 +12427,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12420 "configure"
+#line 12431 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _cosf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12427: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12438: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__cosf_use=yes
 else
@@ -12448,12 +12459,12 @@ fi
     for ac_func in _cosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12452: checking for $ac_func" >&5
+echo "configure:12463: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12457 "configure"
+#line 12468 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12476,7 +12487,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12480: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12491: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12504,7 +12515,7 @@ done
 
   
   echo $ac_n "checking for _coshf declaration""... $ac_c" 1>&6
-echo "configure:12508: checking for _coshf declaration" >&5
+echo "configure:12519: checking for _coshf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__coshf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12518,14 +12529,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12522 "configure"
+#line 12533 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _coshf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12529: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12540: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__coshf_use=yes
 else
@@ -12550,12 +12561,12 @@ fi
     for ac_func in _coshf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12554: checking for $ac_func" >&5
+echo "configure:12565: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12559 "configure"
+#line 12570 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12578,7 +12589,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12582: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12593: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12606,7 +12617,7 @@ done
 
   
   echo $ac_n "checking for _expf declaration""... $ac_c" 1>&6
-echo "configure:12610: checking for _expf declaration" >&5
+echo "configure:12621: checking for _expf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__expf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12620,14 +12631,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12624 "configure"
+#line 12635 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _expf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12631: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12642: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__expf_use=yes
 else
@@ -12652,12 +12663,12 @@ fi
     for ac_func in _expf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12656: checking for $ac_func" >&5
+echo "configure:12667: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12661 "configure"
+#line 12672 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12680,7 +12691,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12684: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12695: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12708,7 +12719,7 @@ done
 
   
   echo $ac_n "checking for _fabsf declaration""... $ac_c" 1>&6
-echo "configure:12712: checking for _fabsf declaration" >&5
+echo "configure:12723: checking for _fabsf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__fabsf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12722,14 +12733,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12726 "configure"
+#line 12737 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12733: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12744: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fabsf_use=yes
 else
@@ -12754,12 +12765,12 @@ fi
     for ac_func in _fabsf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12758: checking for $ac_func" >&5
+echo "configure:12769: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12763 "configure"
+#line 12774 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12782,7 +12793,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12786: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12797: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12810,7 +12821,7 @@ done
 
   
   echo $ac_n "checking for _floorf declaration""... $ac_c" 1>&6
-echo "configure:12814: checking for _floorf declaration" >&5
+echo "configure:12825: checking for _floorf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__floorf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12824,14 +12835,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12828 "configure"
+#line 12839 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _floorf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12835: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12846: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__floorf_use=yes
 else
@@ -12856,12 +12867,12 @@ fi
     for ac_func in _floorf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12860: checking for $ac_func" >&5
+echo "configure:12871: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12865 "configure"
+#line 12876 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12884,7 +12895,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12899: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12912,7 +12923,7 @@ done
 
   
   echo $ac_n "checking for _fmodf declaration""... $ac_c" 1>&6
-echo "configure:12916: checking for _fmodf declaration" >&5
+echo "configure:12927: checking for _fmodf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__fmodf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -12926,14 +12937,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 12930 "configure"
+#line 12941 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _fmodf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12937: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12948: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fmodf_use=yes
 else
@@ -12958,12 +12969,12 @@ fi
     for ac_func in _fmodf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12962: checking for $ac_func" >&5
+echo "configure:12973: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12967 "configure"
+#line 12978 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12986,7 +12997,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12990: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13001: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13014,7 +13025,7 @@ done
 
   
   echo $ac_n "checking for _frexpf declaration""... $ac_c" 1>&6
-echo "configure:13018: checking for _frexpf declaration" >&5
+echo "configure:13029: checking for _frexpf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__frexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13028,14 +13039,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13032 "configure"
+#line 13043 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _frexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13039: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13050: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__frexpf_use=yes
 else
@@ -13060,12 +13071,12 @@ fi
     for ac_func in _frexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13064: checking for $ac_func" >&5
+echo "configure:13075: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13069 "configure"
+#line 13080 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13088,7 +13099,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13092: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13103: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13116,7 +13127,7 @@ done
 
   
   echo $ac_n "checking for _ldexpf declaration""... $ac_c" 1>&6
-echo "configure:13120: checking for _ldexpf declaration" >&5
+echo "configure:13131: checking for _ldexpf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__ldexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13130,14 +13141,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13134 "configure"
+#line 13145 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _ldexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13141: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13152: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__ldexpf_use=yes
 else
@@ -13162,12 +13173,12 @@ fi
     for ac_func in _ldexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13166: checking for $ac_func" >&5
+echo "configure:13177: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13171 "configure"
+#line 13182 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13190,7 +13201,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13194: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13205: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13218,7 +13229,7 @@ done
 
   
   echo $ac_n "checking for _logf declaration""... $ac_c" 1>&6
-echo "configure:13222: checking for _logf declaration" >&5
+echo "configure:13233: checking for _logf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__logf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13232,14 +13243,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13236 "configure"
+#line 13247 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _logf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13243: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13254: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__logf_use=yes
 else
@@ -13264,12 +13275,12 @@ fi
     for ac_func in _logf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13268: checking for $ac_func" >&5
+echo "configure:13279: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13273 "configure"
+#line 13284 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13292,7 +13303,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13296: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13307: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13320,7 +13331,7 @@ done
 
   
   echo $ac_n "checking for _log10f declaration""... $ac_c" 1>&6
-echo "configure:13324: checking for _log10f declaration" >&5
+echo "configure:13335: checking for _log10f declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__log10f_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13334,14 +13345,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13338 "configure"
+#line 13349 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _log10f(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13345: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13356: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__log10f_use=yes
 else
@@ -13366,12 +13377,12 @@ fi
     for ac_func in _log10f
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13370: checking for $ac_func" >&5
+echo "configure:13381: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13375 "configure"
+#line 13386 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13394,7 +13405,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13398: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13409: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13422,7 +13433,7 @@ done
 
   
   echo $ac_n "checking for _modff declaration""... $ac_c" 1>&6
-echo "configure:13426: checking for _modff declaration" >&5
+echo "configure:13437: checking for _modff declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__modff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13436,14 +13447,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13440 "configure"
+#line 13451 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _modff(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13447: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13458: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__modff_use=yes
 else
@@ -13468,12 +13479,12 @@ fi
     for ac_func in _modff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13472: checking for $ac_func" >&5
+echo "configure:13483: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13477 "configure"
+#line 13488 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13496,7 +13507,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13500: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13511: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13524,7 +13535,7 @@ done
 
   
   echo $ac_n "checking for _powf declaration""... $ac_c" 1>&6
-echo "configure:13528: checking for _powf declaration" >&5
+echo "configure:13539: checking for _powf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__powf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13538,14 +13549,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13542 "configure"
+#line 13553 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _powf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13549: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13560: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__powf_use=yes
 else
@@ -13570,12 +13581,12 @@ fi
     for ac_func in _powf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13574: checking for $ac_func" >&5
+echo "configure:13585: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13579 "configure"
+#line 13590 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13598,7 +13609,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13602: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13613: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13626,7 +13637,7 @@ done
 
   
   echo $ac_n "checking for _sinf declaration""... $ac_c" 1>&6
-echo "configure:13630: checking for _sinf declaration" >&5
+echo "configure:13641: checking for _sinf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__sinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13640,14 +13651,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13644 "configure"
+#line 13655 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13651: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sinf_use=yes
 else
@@ -13672,12 +13683,12 @@ fi
     for ac_func in _sinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13676: checking for $ac_func" >&5
+echo "configure:13687: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13681 "configure"
+#line 13692 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13700,7 +13711,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13704: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13715: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13728,7 +13739,7 @@ done
 
   
   echo $ac_n "checking for _sinhf declaration""... $ac_c" 1>&6
-echo "configure:13732: checking for _sinhf declaration" >&5
+echo "configure:13743: checking for _sinhf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__sinhf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13742,14 +13753,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13746 "configure"
+#line 13757 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sinhf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13753: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13764: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sinhf_use=yes
 else
@@ -13774,12 +13785,12 @@ fi
     for ac_func in _sinhf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13778: checking for $ac_func" >&5
+echo "configure:13789: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13783 "configure"
+#line 13794 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13802,7 +13813,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13806: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13817: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13830,7 +13841,7 @@ done
 
   
   echo $ac_n "checking for _sqrtf declaration""... $ac_c" 1>&6
-echo "configure:13834: checking for _sqrtf declaration" >&5
+echo "configure:13845: checking for _sqrtf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__sqrtf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13844,14 +13855,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13848 "configure"
+#line 13859 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13855: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13866: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sqrtf_use=yes
 else
@@ -13876,12 +13887,12 @@ fi
     for ac_func in _sqrtf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13880: checking for $ac_func" >&5
+echo "configure:13891: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13885 "configure"
+#line 13896 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13904,7 +13915,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13908: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13919: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13932,7 +13943,7 @@ done
 
   
   echo $ac_n "checking for _tanf declaration""... $ac_c" 1>&6
-echo "configure:13936: checking for _tanf declaration" >&5
+echo "configure:13947: checking for _tanf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__tanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -13946,14 +13957,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 13950 "configure"
+#line 13961 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _tanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13957: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13968: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__tanf_use=yes
 else
@@ -13978,12 +13989,12 @@ fi
     for ac_func in _tanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13982: checking for $ac_func" >&5
+echo "configure:13993: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13987 "configure"
+#line 13998 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14006,7 +14017,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14010: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14021: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14034,7 +14045,7 @@ done
 
   
   echo $ac_n "checking for _tanhf declaration""... $ac_c" 1>&6
-echo "configure:14038: checking for _tanhf declaration" >&5
+echo "configure:14049: checking for _tanhf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__tanhf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14048,14 +14059,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14052 "configure"
+#line 14063 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _tanhf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:14059: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14070: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__tanhf_use=yes
 else
@@ -14080,12 +14091,12 @@ fi
     for ac_func in _tanhf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14084: checking for $ac_func" >&5
+echo "configure:14095: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14089 "configure"
+#line 14100 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14108,7 +14119,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14112: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14123: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14136,7 +14147,7 @@ done
 
   
   echo $ac_n "checking for _sincosf declaration""... $ac_c" 1>&6
-echo "configure:14140: checking for _sincosf declaration" >&5
+echo "configure:14151: checking for _sincosf declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__sincosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14150,14 +14161,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14154 "configure"
+#line 14165 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sincosf(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:14161: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14172: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sincosf_use=yes
 else
@@ -14182,12 +14193,12 @@ fi
     for ac_func in _sincosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14186: checking for $ac_func" >&5
+echo "configure:14197: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14191 "configure"
+#line 14202 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14210,7 +14221,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14214: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14225: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14238,7 +14249,7 @@ done
 
   
   echo $ac_n "checking for _finitef declaration""... $ac_c" 1>&6
-echo "configure:14242: checking for _finitef declaration" >&5
+echo "configure:14253: checking for _finitef declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__finitef_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14252,14 +14263,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14256 "configure"
+#line 14267 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _finitef(0);
 ; return 0; }
 EOF
-if { (eval echo configure:14263: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14274: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__finitef_use=yes
 else
@@ -14284,12 +14295,12 @@ fi
     for ac_func in _finitef
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14288: checking for $ac_func" >&5
+echo "configure:14299: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14293 "configure"
+#line 14304 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14312,7 +14323,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14316: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14327: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14341,7 +14352,7 @@ done
 
     
   echo $ac_n "checking for _isnanl declaration""... $ac_c" 1>&6
-echo "configure:14345: checking for _isnanl declaration" >&5
+echo "configure:14356: checking for _isnanl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__isnanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14355,14 +14366,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14359 "configure"
+#line 14370 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _isnanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:14366: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14377: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isnanl_use=yes
 else
@@ -14387,12 +14398,12 @@ fi
     for ac_func in _isnanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14391: checking for $ac_func" >&5
+echo "configure:14402: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14396 "configure"
+#line 14407 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14415,7 +14426,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14419: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14430: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14443,7 +14454,7 @@ done
 
   
   echo $ac_n "checking for _isinfl declaration""... $ac_c" 1>&6
-echo "configure:14447: checking for _isinfl declaration" >&5
+echo "configure:14458: checking for _isinfl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__isinfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14457,14 +14468,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14461 "configure"
+#line 14472 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _isinfl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:14468: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14479: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__isinfl_use=yes
 else
@@ -14489,12 +14500,12 @@ fi
     for ac_func in _isinfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14493: checking for $ac_func" >&5
+echo "configure:14504: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14498 "configure"
+#line 14509 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14517,7 +14528,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14521: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14532: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14545,7 +14556,7 @@ done
 
   
   echo $ac_n "checking for _copysignl declaration""... $ac_c" 1>&6
-echo "configure:14549: checking for _copysignl declaration" >&5
+echo "configure:14560: checking for _copysignl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__copysignl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14559,14 +14570,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14563 "configure"
+#line 14574 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _copysignl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:14570: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14581: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__copysignl_use=yes
 else
@@ -14591,12 +14602,12 @@ fi
     for ac_func in _copysignl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14595: checking for $ac_func" >&5
+echo "configure:14606: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14600 "configure"
+#line 14611 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14619,7 +14630,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14623: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14634: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14647,7 +14658,7 @@ done
 
   
   echo $ac_n "checking for _acosl declaration""... $ac_c" 1>&6
-echo "configure:14651: checking for _acosl declaration" >&5
+echo "configure:14662: checking for _acosl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__acosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14661,14 +14672,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14665 "configure"
+#line 14676 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _acosl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:14672: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14683: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__acosl_use=yes
 else
@@ -14693,12 +14704,12 @@ fi
     for ac_func in _acosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14697: checking for $ac_func" >&5
+echo "configure:14708: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14702 "configure"
+#line 14713 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14721,7 +14732,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14725: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14736: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14749,7 +14760,7 @@ done
 
   
   echo $ac_n "checking for _asinl declaration""... $ac_c" 1>&6
-echo "configure:14753: checking for _asinl declaration" >&5
+echo "configure:14764: checking for _asinl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__asinl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14763,14 +14774,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14767 "configure"
+#line 14778 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _asinl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:14774: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14785: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__asinl_use=yes
 else
@@ -14795,12 +14806,12 @@ fi
     for ac_func in _asinl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14799: checking for $ac_func" >&5
+echo "configure:14810: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14804 "configure"
+#line 14815 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14823,7 +14834,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14827: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14851,7 +14862,7 @@ done
 
   
   echo $ac_n "checking for _atanl declaration""... $ac_c" 1>&6
-echo "configure:14855: checking for _atanl declaration" >&5
+echo "configure:14866: checking for _atanl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__atanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14865,14 +14876,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14869 "configure"
+#line 14880 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _atanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:14876: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14887: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__atanl_use=yes
 else
@@ -14897,12 +14908,12 @@ fi
     for ac_func in _atanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14901: checking for $ac_func" >&5
+echo "configure:14912: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14906 "configure"
+#line 14917 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14925,7 +14936,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14929: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14940: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14953,7 +14964,7 @@ done
 
   
   echo $ac_n "checking for _atan2l declaration""... $ac_c" 1>&6
-echo "configure:14957: checking for _atan2l declaration" >&5
+echo "configure:14968: checking for _atan2l declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__atan2l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14967,14 +14978,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14971 "configure"
+#line 14982 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _atan2l(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:14978: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14989: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__atan2l_use=yes
 else
@@ -14999,12 +15010,12 @@ fi
     for ac_func in _atan2l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15003: checking for $ac_func" >&5
+echo "configure:15014: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15008 "configure"
+#line 15019 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15027,7 +15038,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15031: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15042: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15055,7 +15066,7 @@ done
 
   
   echo $ac_n "checking for _ceill declaration""... $ac_c" 1>&6
-echo "configure:15059: checking for _ceill declaration" >&5
+echo "configure:15070: checking for _ceill declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__ceill_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15069,14 +15080,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15073 "configure"
+#line 15084 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _ceill(0);
 ; return 0; }
 EOF
-if { (eval echo configure:15080: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15091: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__ceill_use=yes
 else
@@ -15101,12 +15112,12 @@ fi
     for ac_func in _ceill
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15105: checking for $ac_func" >&5
+echo "configure:15116: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15110 "configure"
+#line 15121 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15129,7 +15140,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15133: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15144: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15157,7 +15168,7 @@ done
 
   
   echo $ac_n "checking for _cosl declaration""... $ac_c" 1>&6
-echo "configure:15161: checking for _cosl declaration" >&5
+echo "configure:15172: checking for _cosl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__cosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15171,14 +15182,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15175 "configure"
+#line 15186 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _cosl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:15182: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15193: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__cosl_use=yes
 else
@@ -15203,12 +15214,12 @@ fi
     for ac_func in _cosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15207: checking for $ac_func" >&5
+echo "configure:15218: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15212 "configure"
+#line 15223 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15231,7 +15242,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15235: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15246: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15259,7 +15270,7 @@ done
 
   
   echo $ac_n "checking for _coshl declaration""... $ac_c" 1>&6
-echo "configure:15263: checking for _coshl declaration" >&5
+echo "configure:15274: checking for _coshl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__coshl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15273,14 +15284,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15277 "configure"
+#line 15288 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _coshl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:15284: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15295: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__coshl_use=yes
 else
@@ -15305,12 +15316,12 @@ fi
     for ac_func in _coshl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15309: checking for $ac_func" >&5
+echo "configure:15320: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15314 "configure"
+#line 15325 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15333,7 +15344,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15337: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15348: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15361,7 +15372,7 @@ done
 
   
   echo $ac_n "checking for _expl declaration""... $ac_c" 1>&6
-echo "configure:15365: checking for _expl declaration" >&5
+echo "configure:15376: checking for _expl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__expl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15375,14 +15386,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15379 "configure"
+#line 15390 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _expl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:15386: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15397: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__expl_use=yes
 else
@@ -15407,12 +15418,12 @@ fi
     for ac_func in _expl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15411: checking for $ac_func" >&5
+echo "configure:15422: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15416 "configure"
+#line 15427 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15435,7 +15446,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15439: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15450: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15463,7 +15474,7 @@ done
 
   
   echo $ac_n "checking for _fabsl declaration""... $ac_c" 1>&6
-echo "configure:15467: checking for _fabsl declaration" >&5
+echo "configure:15478: checking for _fabsl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__fabsl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15477,14 +15488,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15481 "configure"
+#line 15492 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:15488: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15499: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fabsl_use=yes
 else
@@ -15509,12 +15520,12 @@ fi
     for ac_func in _fabsl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15513: checking for $ac_func" >&5
+echo "configure:15524: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15518 "configure"
+#line 15529 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15537,7 +15548,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15541: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15552: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15565,7 +15576,7 @@ done
 
   
   echo $ac_n "checking for _floorl declaration""... $ac_c" 1>&6
-echo "configure:15569: checking for _floorl declaration" >&5
+echo "configure:15580: checking for _floorl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__floorl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15579,14 +15590,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15583 "configure"
+#line 15594 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _floorl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:15590: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15601: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__floorl_use=yes
 else
@@ -15611,12 +15622,12 @@ fi
     for ac_func in _floorl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15615: checking for $ac_func" >&5
+echo "configure:15626: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15620 "configure"
+#line 15631 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15639,7 +15650,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15643: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15654: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15667,7 +15678,7 @@ done
 
   
   echo $ac_n "checking for _fmodl declaration""... $ac_c" 1>&6
-echo "configure:15671: checking for _fmodl declaration" >&5
+echo "configure:15682: checking for _fmodl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__fmodl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15681,14 +15692,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15685 "configure"
+#line 15696 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _fmodl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:15692: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15703: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__fmodl_use=yes
 else
@@ -15713,12 +15724,12 @@ fi
     for ac_func in _fmodl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15717: checking for $ac_func" >&5
+echo "configure:15728: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15722 "configure"
+#line 15733 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15741,7 +15752,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15745: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15756: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15769,7 +15780,7 @@ done
 
   
   echo $ac_n "checking for _frexpl declaration""... $ac_c" 1>&6
-echo "configure:15773: checking for _frexpl declaration" >&5
+echo "configure:15784: checking for _frexpl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__frexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15783,14 +15794,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15787 "configure"
+#line 15798 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _frexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:15794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15805: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__frexpl_use=yes
 else
@@ -15815,12 +15826,12 @@ fi
     for ac_func in _frexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15819: checking for $ac_func" >&5
+echo "configure:15830: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15824 "configure"
+#line 15835 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15843,7 +15854,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15847: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15858: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15871,7 +15882,7 @@ done
 
   
   echo $ac_n "checking for _ldexpl declaration""... $ac_c" 1>&6
-echo "configure:15875: checking for _ldexpl declaration" >&5
+echo "configure:15886: checking for _ldexpl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__ldexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15885,14 +15896,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15889 "configure"
+#line 15900 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _ldexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:15896: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15907: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__ldexpl_use=yes
 else
@@ -15917,12 +15928,12 @@ fi
     for ac_func in _ldexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15921: checking for $ac_func" >&5
+echo "configure:15932: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15926 "configure"
+#line 15937 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15945,7 +15956,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15949: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15960: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15973,7 +15984,7 @@ done
 
   
   echo $ac_n "checking for _logl declaration""... $ac_c" 1>&6
-echo "configure:15977: checking for _logl declaration" >&5
+echo "configure:15988: checking for _logl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__logl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15987,14 +15998,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 15991 "configure"
+#line 16002 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _logl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:15998: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16009: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__logl_use=yes
 else
@@ -16019,12 +16030,12 @@ fi
     for ac_func in _logl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16023: checking for $ac_func" >&5
+echo "configure:16034: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16028 "configure"
+#line 16039 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16047,7 +16058,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16051: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16062: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16075,7 +16086,7 @@ done
 
   
   echo $ac_n "checking for _log10l declaration""... $ac_c" 1>&6
-echo "configure:16079: checking for _log10l declaration" >&5
+echo "configure:16090: checking for _log10l declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__log10l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16089,14 +16100,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 16093 "configure"
+#line 16104 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _log10l(0);
 ; return 0; }
 EOF
-if { (eval echo configure:16100: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16111: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__log10l_use=yes
 else
@@ -16121,12 +16132,12 @@ fi
     for ac_func in _log10l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16125: checking for $ac_func" >&5
+echo "configure:16136: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16130 "configure"
+#line 16141 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16149,7 +16160,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16164: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16177,7 +16188,7 @@ done
 
   
   echo $ac_n "checking for _modfl declaration""... $ac_c" 1>&6
-echo "configure:16181: checking for _modfl declaration" >&5
+echo "configure:16192: checking for _modfl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__modfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16191,14 +16202,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 16195 "configure"
+#line 16206 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _modfl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:16202: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16213: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__modfl_use=yes
 else
@@ -16223,12 +16234,12 @@ fi
     for ac_func in _modfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16227: checking for $ac_func" >&5
+echo "configure:16238: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16232 "configure"
+#line 16243 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16251,7 +16262,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16255: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16266: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16279,7 +16290,7 @@ done
 
   
   echo $ac_n "checking for _powl declaration""... $ac_c" 1>&6
-echo "configure:16283: checking for _powl declaration" >&5
+echo "configure:16294: checking for _powl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__powl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16293,14 +16304,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 16297 "configure"
+#line 16308 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _powl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:16304: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16315: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__powl_use=yes
 else
@@ -16325,12 +16336,12 @@ fi
     for ac_func in _powl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16329: checking for $ac_func" >&5
+echo "configure:16340: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16334 "configure"
+#line 16345 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16353,7 +16364,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16357: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16368: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16381,7 +16392,7 @@ done
 
   
   echo $ac_n "checking for _sinl declaration""... $ac_c" 1>&6
-echo "configure:16385: checking for _sinl declaration" >&5
+echo "configure:16396: checking for _sinl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__sinl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16395,14 +16406,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 16399 "configure"
+#line 16410 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sinl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:16406: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16417: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sinl_use=yes
 else
@@ -16427,12 +16438,12 @@ fi
     for ac_func in _sinl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16431: checking for $ac_func" >&5
+echo "configure:16442: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16436 "configure"
+#line 16447 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16455,7 +16466,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16459: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16470: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16483,7 +16494,7 @@ done
 
   
   echo $ac_n "checking for _sinhl declaration""... $ac_c" 1>&6
-echo "configure:16487: checking for _sinhl declaration" >&5
+echo "configure:16498: checking for _sinhl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__sinhl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16497,14 +16508,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 16501 "configure"
+#line 16512 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sinhl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:16508: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16519: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sinhl_use=yes
 else
@@ -16529,12 +16540,12 @@ fi
     for ac_func in _sinhl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16533: checking for $ac_func" >&5
+echo "configure:16544: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16538 "configure"
+#line 16549 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16557,7 +16568,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16561: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16572: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16585,7 +16596,7 @@ done
 
   
   echo $ac_n "checking for _sqrtl declaration""... $ac_c" 1>&6
-echo "configure:16589: checking for _sqrtl declaration" >&5
+echo "configure:16600: checking for _sqrtl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__sqrtl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16599,14 +16610,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 16603 "configure"
+#line 16614 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:16610: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16621: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sqrtl_use=yes
 else
@@ -16631,12 +16642,12 @@ fi
     for ac_func in _sqrtl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16635: checking for $ac_func" >&5
+echo "configure:16646: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16640 "configure"
+#line 16651 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16659,7 +16670,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16663: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16674: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16687,7 +16698,7 @@ done
 
   
   echo $ac_n "checking for _tanl declaration""... $ac_c" 1>&6
-echo "configure:16691: checking for _tanl declaration" >&5
+echo "configure:16702: checking for _tanl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__tanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16701,14 +16712,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 16705 "configure"
+#line 16716 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _tanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:16712: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16723: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__tanl_use=yes
 else
@@ -16733,12 +16744,12 @@ fi
     for ac_func in _tanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16737: checking for $ac_func" >&5
+echo "configure:16748: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16742 "configure"
+#line 16753 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16761,7 +16772,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16765: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16776: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16789,7 +16800,7 @@ done
 
   
   echo $ac_n "checking for _tanhl declaration""... $ac_c" 1>&6
-echo "configure:16793: checking for _tanhl declaration" >&5
+echo "configure:16804: checking for _tanhl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__tanhl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16803,14 +16814,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 16807 "configure"
+#line 16818 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _tanhl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:16814: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16825: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__tanhl_use=yes
 else
@@ -16835,12 +16846,12 @@ fi
     for ac_func in _tanhl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16839: checking for $ac_func" >&5
+echo "configure:16850: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16844 "configure"
+#line 16855 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16863,7 +16874,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16867: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16878: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16891,7 +16902,7 @@ done
 
   
   echo $ac_n "checking for _sincosl declaration""... $ac_c" 1>&6
-echo "configure:16895: checking for _sincosl declaration" >&5
+echo "configure:16906: checking for _sincosl declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__sincosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -16905,14 +16916,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 16909 "configure"
+#line 16920 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _sincosl(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:16916: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:16927: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__sincosl_use=yes
 else
@@ -16937,12 +16948,12 @@ fi
     for ac_func in _sincosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:16941: checking for $ac_func" >&5
+echo "configure:16952: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 16946 "configure"
+#line 16957 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -16965,7 +16976,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:16969: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:16980: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -16993,7 +17004,7 @@ done
 
   
   echo $ac_n "checking for _finitel declaration""... $ac_c" 1>&6
-echo "configure:16997: checking for _finitel declaration" >&5
+echo "configure:17008: checking for _finitel declaration" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_func__finitel_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -17007,14 +17018,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 17011 "configure"
+#line 17022 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  _finitel(0);
 ; return 0; }
 EOF
-if { (eval echo configure:17018: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17029: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func__finitel_use=yes
 else
@@ -17039,12 +17050,12 @@ fi
     for ac_func in _finitel
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:17043: checking for $ac_func" >&5
+echo "configure:17054: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17048 "configure"
+#line 17059 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -17067,7 +17078,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:17071: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:17082: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -17102,17 +17113,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:17106: checking for $ac_hdr" >&5
+echo "configure:17117: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17111 "configure"
+#line 17122 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:17116: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:17127: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -17143,12 +17154,12 @@ done
   ctan ctanf ctanh ctanhf carg cargf nan hypot hypotf atan2f expf copysignf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:17147: checking for $ac_func" >&5
+echo "configure:17158: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17152 "configure"
+#line 17163 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -17171,7 +17182,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:17175: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:17186: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -17206,12 +17217,12 @@ done
     csqrtl ctanhl ctanl cargl hypotl signbitl c_logl clog10l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:17210: checking for $ac_func" >&5
+echo "configure:17221: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17215 "configure"
+#line 17226 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -17234,7 +17245,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:17238: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:17249: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -17268,7 +17279,7 @@ done
   
 
   echo $ac_n "checking for GNU C++ __complex__ support""... $ac_c" 1>&6
-echo "configure:17272: checking for GNU C++ __complex__ support" >&5
+echo "configure:17283: checking for GNU C++ __complex__ support" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_complex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -17282,7 +17293,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 17286 "configure"
+#line 17297 "configure"
 #include "confdefs.h"
 struct dcomplex { __complex__ double x; }; \
                    dcomplex f(const dcomplex& x) { return dcomplex(x); }
@@ -17291,7 +17302,7 @@ int main() {
                     dcomplex x; f(x); 
 ; return 0; }
 EOF
-if { (eval echo configure:17295: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17306: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_complex=ok
 else
@@ -17321,7 +17332,7 @@ EOF
   fi
 
   echo $ac_n "checking for GNU C++ __complex__ float support""... $ac_c" 1>&6
-echo "configure:17325: checking for GNU C++ __complex__ float support" >&5
+echo "configure:17336: checking for GNU C++ __complex__ float support" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_float_complex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -17354,14 +17365,14 @@ cross_compiling=$ac_cv_prog_cxx_cross
       };
 EOB
     cat > conftest.$ac_ext <<EOF
-#line 17358 "configure"
+#line 17369 "configure"
 #include "confdefs.h"
 #include "conftest.h"
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:17365: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17376: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_float_complex=ok
 else
@@ -17441,17 +17452,17 @@ rm -f confcache
 
     ac_safe=`echo "wchar.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wchar.h""... $ac_c" 1>&6
-echo "configure:17445: checking for wchar.h" >&5
+echo "configure:17456: checking for wchar.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17450 "configure"
+#line 17461 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:17455: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:17466: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -17475,17 +17486,17 @@ fi
 
   ac_safe=`echo "wctype.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wctype.h""... $ac_c" 1>&6
-echo "configure:17479: checking for wctype.h" >&5
+echo "configure:17490: checking for wctype.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17484 "configure"
+#line 17495 "configure"
 #include "confdefs.h"
 #include <wctype.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:17489: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:17500: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -17511,16 +17522,16 @@ fi
     if test x"$ac_has_wchar_h" = xyes && test x"$ac_has_wctype_h" = xyes; then
 
         echo $ac_n "checking for mbstate_t""... $ac_c" 1>&6
-echo "configure:17515: checking for mbstate_t" >&5
+echo "configure:17526: checking for mbstate_t" >&5
     cat > conftest.$ac_ext <<EOF
-#line 17517 "configure"
+#line 17528 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 int main() {
 mbstate_t teststate;
 ; return 0; }
 EOF
-if { (eval echo configure:17524: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17535: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   use_native_mbstatet=yes
 else
@@ -17539,16 +17550,16 @@ EOF
     fi
   
             echo $ac_n "checking for WCHAR_MIN and WCHAR_MAX""... $ac_c" 1>&6
-echo "configure:17543: checking for WCHAR_MIN and WCHAR_MAX" >&5
+echo "configure:17554: checking for WCHAR_MIN and WCHAR_MAX" >&5
     cat > conftest.$ac_ext <<EOF
-#line 17545 "configure"
+#line 17556 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 int main() {
 int i = WCHAR_MIN; int j = WCHAR_MAX;
 ; return 0; }
 EOF
-if { (eval echo configure:17552: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17563: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   has_wchar_minmax=yes
 else
@@ -17561,9 +17572,9 @@ rm -f conftest*
     echo "$ac_t""$has_wchar_minmax" 1>&6
   
             echo $ac_n "checking for WEOF""... $ac_c" 1>&6
-echo "configure:17565: checking for WEOF" >&5
+echo "configure:17576: checking for WEOF" >&5
     cat > conftest.$ac_ext <<EOF
-#line 17567 "configure"
+#line 17578 "configure"
 #include "confdefs.h"
 
       #include <wchar.h>
@@ -17572,7 +17583,7 @@ int main() {
 wint_t i = WEOF;
 ; return 0; }
 EOF
-if { (eval echo configure:17576: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17587: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   has_weof=yes
 else
@@ -17588,12 +17599,12 @@ rm -f conftest*
     wcsrtombs mbsrtowcs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:17592: checking for $ac_func" >&5
+echo "configure:17603: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17597 "configure"
+#line 17608 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -17616,7 +17627,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:17620: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:17631: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -17643,7 +17654,7 @@ done
 
 
     echo $ac_n "checking for ISO C9X wchar_t support""... $ac_c" 1>&6
-echo "configure:17647: checking for ISO C9X wchar_t support" >&5
+echo "configure:17658: checking for ISO C9X wchar_t support" >&5
     if test x"$has_weof" = xyes && test x"$has_wchar_minmax" = xyes \
        && test x"$ac_wfuncs" = xyes; then
       ac_isoC9X_wchar_t=yes
@@ -17654,17 +17665,17 @@ echo "configure:17647: checking for ISO C9X wchar_t support" >&5
 
             ac_safe=`echo "iconv.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for iconv.h""... $ac_c" 1>&6
-echo "configure:17658: checking for iconv.h" >&5
+echo "configure:17669: checking for iconv.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17663 "configure"
+#line 17674 "configure"
 #include "confdefs.h"
 #include <iconv.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:17668: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:17679: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -17688,17 +17699,17 @@ fi
 
     ac_safe=`echo "langinfo.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for langinfo.h""... $ac_c" 1>&6
-echo "configure:17692: checking for langinfo.h" >&5
+echo "configure:17703: checking for langinfo.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17697 "configure"
+#line 17708 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:17702: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:17713: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -17723,12 +17734,12 @@ fi
     for ac_func in iconv_open iconv_close iconv nl_langinfo
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:17727: checking for $ac_func" >&5
+echo "configure:17738: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17732 "configure"
+#line 17743 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -17751,7 +17762,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:17755: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:17766: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -17779,7 +17790,7 @@ done
 
 
     echo $ac_n "checking for XPG2 wchar_t support""... $ac_c" 1>&6
-echo "configure:17783: checking for XPG2 wchar_t support" >&5
+echo "configure:17794: checking for XPG2 wchar_t support" >&5
     if test x"$ac_has_iconv_h" = xyes && test x"$ac_has_langinfo_h" = xyes \
        && test x"$ac_XPG2funcs" = xyes; then
       ac_XPG2_wchar_t=yes
@@ -17789,7 +17800,7 @@ echo "configure:17783: checking for XPG2 wchar_t support" >&5
     echo "$ac_t""$ac_XPG2_wchar_t" 1>&6
 
             echo $ac_n "checking for enabled wchar_t specializations""... $ac_c" 1>&6
-echo "configure:17793: checking for enabled wchar_t specializations" >&5
+echo "configure:17804: checking for enabled wchar_t specializations" >&5
     if test x"$ac_isoC9X_wchar_t" = xyes \
        && test x"$ac_XPG2_wchar_t" = xyes; then
       libinst_wstring_la="libinst-wstring.la"
@@ -17815,17 +17826,17 @@ EOF
   
   ac_safe=`echo "ctype.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for ctype.h""... $ac_c" 1>&6
-echo "configure:17819: checking for ctype.h" >&5
+echo "configure:17830: checking for ctype.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 17824 "configure"
+#line 17835 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:17829: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:17840: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -17846,9 +17857,9 @@ if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
         ctype_default=yes
 
         echo $ac_n "checking <ctype> for GNU/Linux""... $ac_c" 1>&6
-echo "configure:17850: checking <ctype> for GNU/Linux" >&5
+echo "configure:17861: checking <ctype> for GNU/Linux" >&5
     cat > conftest.$ac_ext <<EOF
-#line 17852 "configure"
+#line 17863 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 int main() {
@@ -17859,7 +17870,7 @@ int
        + __ctype_tolower[a] + __ctype_toupper[a] + __ctype_b[a];}
 ; return 0; }
 EOF
-if { (eval echo configure:17863: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17874: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   \
     ctype_linux=yes
@@ -17878,9 +17889,9 @@ rm -f conftest*
 
         if test $ctype_default = "yes"; then
     echo $ac_n "checking <ctype> for FreeBSD 4.0""... $ac_c" 1>&6
-echo "configure:17882: checking <ctype> for FreeBSD 4.0" >&5
+echo "configure:17893: checking <ctype> for FreeBSD 4.0" >&5
     cat > conftest.$ac_ext <<EOF
-#line 17884 "configure"
+#line 17895 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 int main() {
@@ -17890,7 +17901,7 @@ int
        + _CTYPE_D + _CTYPE_P + _CTYPE_X + _CTYPE_G ;}
 ; return 0; }
 EOF
-if { (eval echo configure:17894: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17905: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   \
     ctype_bsd=yes
@@ -17910,9 +17921,9 @@ rm -f conftest*
 
         if test $ctype_default = "yes"; then
     echo $ac_n "checking <ctype> for FreeBSD 3.4""... $ac_c" 1>&6
-echo "configure:17914: checking <ctype> for FreeBSD 3.4" >&5
+echo "configure:17925: checking <ctype> for FreeBSD 3.4" >&5
     cat > conftest.$ac_ext <<EOF
-#line 17916 "configure"
+#line 17927 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 int main() {
@@ -17922,7 +17933,7 @@ int
       + _D + _P + _X + _G + __istype (a, 0);}
 ; return 0; }
 EOF
-if { (eval echo configure:17926: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17937: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   \
     ctype_freebsd34=yes
@@ -17942,9 +17953,9 @@ rm -f conftest*
 
         if test $ctype_default = "yes"; then
     echo $ac_n "checking <ctype> for Solaris 2.6,7,8""... $ac_c" 1>&6
-echo "configure:17946: checking <ctype> for Solaris 2.6,7,8" >&5
+echo "configure:17957: checking <ctype> for Solaris 2.6,7,8" >&5
     cat > conftest.$ac_ext <<EOF
-#line 17948 "configure"
+#line 17959 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 int main() {
@@ -17955,7 +17966,7 @@ int
        + __trans_lower[a] + __trans_upper[a] + __ctype_mask[a];}
 ; return 0; }
 EOF
-if { (eval echo configure:17959: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:17970: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   \
     ctype_solaris=yes
@@ -17970,7 +17981,7 @@ rm -f conftest*
 
     if test $ctype_solaris = "yes"; then
       echo $ac_n "checking   for version""... $ac_c" 1>&6
-echo "configure:17974: checking   for version" >&5
+echo "configure:17985: checking   for version" >&5
       ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -17979,14 +17990,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
  
       cat > conftest.$ac_ext <<EOF
-#line 17983 "configure"
+#line 17994 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 int main() {
 typedef long* __to_type; __to_type const& _M_toupper = __trans_upper;
 ; return 0; }
 EOF
-if { (eval echo configure:17990: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:18001: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   \
       ctype_solaris26=yes
@@ -18018,9 +18029,9 @@ cross_compiling=$ac_cv_prog_cc_cross
 
         if test $ctype_default = "yes"; then
     echo $ac_n "checking <ctype> for Solaris 2.5.1""... $ac_c" 1>&6
-echo "configure:18022: checking <ctype> for Solaris 2.5.1" >&5
+echo "configure:18033: checking <ctype> for Solaris 2.5.1" >&5
     cat > conftest.$ac_ext <<EOF
-#line 18024 "configure"
+#line 18035 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 int main() {
@@ -18030,7 +18041,7 @@ int
        + __ctype[a];}
 ; return 0; }
 EOF
-if { (eval echo configure:18034: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:18045: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   \
     ctype_solaris25=yes
@@ -18050,9 +18061,9 @@ rm -f conftest*
 
         if test $ctype_default = "yes"; then
     echo $ac_n "checking <ctype> for AIX""... $ac_c" 1>&6
-echo "configure:18054: checking <ctype> for AIX" >&5
+echo "configure:18065: checking <ctype> for AIX" >&5
     cat > conftest.$ac_ext <<EOF
-#line 18056 "configure"
+#line 18067 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 int main() {
@@ -18063,7 +18074,7 @@ int
        + _VALC('a') + _IS('c', 0);}
 ; return 0; }
 EOF
-if { (eval echo configure:18067: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:18078: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   \
     ctype_aix=yes
@@ -18083,9 +18094,9 @@ rm -f conftest*
 
         if test $ctype_default = "yes"; then
     echo $ac_n "checking <ctype> for newlib""... $ac_c" 1>&6
-echo "configure:18087: checking <ctype> for newlib" >&5
+echo "configure:18098: checking <ctype> for newlib" >&5
     cat > conftest.$ac_ext <<EOF
-#line 18089 "configure"
+#line 18100 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 int main() {
@@ -18095,7 +18106,7 @@ int
        + _ctype_[a];}
 ; return 0; }
 EOF
-if { (eval echo configure:18099: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:18110: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   \
     ctype_newlib=yes
@@ -18132,17 +18143,17 @@ fi
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:18136: checking for $ac_hdr" >&5
+echo "configure:18147: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 18141 "configure"
+#line 18152 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:18146: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:18157: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -18171,12 +18182,12 @@ done
 for ac_func in getpagesize
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:18175: checking for $ac_func" >&5
+echo "configure:18186: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 18180 "configure"
+#line 18191 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -18199,7 +18210,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:18203: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:18214: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -18224,7 +18235,7 @@ fi
 done
 
 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:18228: checking for working mmap" >&5
+echo "configure:18239: checking for working mmap" >&5
 if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -18232,7 +18243,7 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 18236 "configure"
+#line 18247 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test.
@@ -18372,7 +18383,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:18376: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:18387: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_mmap_fixed_mapped=yes
 else
@@ -18435,19 +18446,19 @@ fi
 
 if test $ac_cv_header_locale_h = yes; then
     echo $ac_n "checking for LC_MESSAGES""... $ac_c" 1>&6
-echo "configure:18439: checking for LC_MESSAGES" >&5
+echo "configure:18450: checking for LC_MESSAGES" >&5
 if eval "test \"`echo '$''{'ac_cv_val_LC_MESSAGES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 18444 "configure"
+#line 18455 "configure"
 #include "confdefs.h"
 #include <locale.h>
 int main() {
 return LC_MESSAGES
 ; return 0; }
 EOF
-if { (eval echo configure:18451: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:18462: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_val_LC_MESSAGES=yes
 else