static
ldd_rewrite_script
use_ldconfig
-libc_cv_sparc_as_vis3
-libc_cv_as_i686
-libc_cv_cc_nofma
-libc_cv_cc_fma4
-libc_cv_cc_novzeroupper
-libc_cv_cc_sse2avx
-libc_cv_cc_avx
-libc_cv_cc_sse4
-libc_cv_cpp_asm_debuginfo
libc_cv_forced_unwind
libc_cv_rootsbindir
libc_cv_localstatedir
libc_cv_sysconfdir
libc_cv_localedir
+libc_cv_rtlddir
libc_cv_slibdir
old_glibc_headers
+use_nscd
libc_cv_gcc_unwind_find_fde
libc_extra_cflags
CPPUNDEFS
have_libcap
have_libaudit
LIBGD
+libc_cv_cc_loop_to_function
libc_cv_cc_submachine
+libc_cv_cc_nofma
exceptions
gnu89_inline
libc_cv_ssp
ASFLAGS_config
libc_cv_Bgroup
libc_cv_cc_with_libunwind
-VERSIONING
BISON
INSTALL_INFO
PERL
-AWK
libc_cv_have_ksh
KSH
libc_cv_have_bash2
SYSINCLUDES
AUTOCONF
NM
-READELF
+AWK
SED
MAKEINFO
MSGFMT
MAKE
LD
AS
-MIG
OBJCOPY
OBJDUMP
AR
base_machine
add_on_subdirs
add_ons
+build_pt_chown
+build_nscd
link_obsolete_rpc
libc_cv_nss_crypt
all_warnings
force_install
bindnow
+hardcoded_path_in_tests
oldest_abi
use_default_link
+sysheaders
with_fp
+READELF
ac_ct_CXX
CXXFLAGS
CXX
build_cpu
build
subdirs
+REPORT_BUGS_TEXI
+REPORT_BUGS_TO
+PKGVERSION_TEXI
+PKGVERSION
target_alias
host_alias
build_alias
ac_subst_files=''
ac_user_opts='
enable_option_checking
+with_pkgversion
+with_bugurl
with_gd
with_gd_include
with_gd_lib
enable_sanity_checks
enable_shared
enable_profile
-enable_versioning
enable_oldest_abi
+enable_hardcoded_path_in_tests
enable_stackguard_randomization
+enable_lock_elision
enable_add_ons
enable_hidden_plt
enable_bind_now
enable_nss_crypt
enable_obsolete_rpc
enable_systemtap
+enable_build_nscd
+enable_nscd
+enable_pt_chown
with_cpu
'
ac_precious_vars='build_alias
in special situations) [default=yes]
--enable-shared build shared library [default=yes if GNU ld]
--enable-profile build profiled library [default=no]
- --disable-versioning do not include versioning information in the library
- objects [default=yes if supported]
--enable-oldest-abi=ABI configure the oldest ABI supported [e.g. 2.2]
[default=glibc default]
+ --enable-hardcoded-path-in-tests
+ hardcode newly built glibc path in tests
+ [default=no]
--enable-stackguard-randomization
initialize __stack_chk_guard canary with a random
number at program start
+ --enable-lock-elision=yes/no
+ Enable lock elision for pthread mutexes by default
--enable-add-ons[=DIRS...]
configure and build add-ons in DIR1,DIR2,... search
for add-ons if no parameter given
--enable-obsolete-rpc build and install the obsolete RPC code for
link-time usage
--enable-systemtap enable systemtap static probe points [default=no]
+ --disable-build-nscd disable building and installing the nscd daemon
+ --disable-nscd library functions will not contact the nscd daemon
+ --enable-pt_chown Enable building and installing pt_chown
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
+ --with-pkgversion=PKG Use PKG in the version string in place of "GNU libc"
+ --with-bugurl=URL Direct users to URL to report a bug
--with-gd=DIR find libgd include dir and library with prefix DIR
--with-gd-include=DIR find libgd include files in DIR
--with-gd-lib=DIR find libgd library files in DIR
} # ac_fn_c_try_compile
-# ac_fn_c_try_cpp LINENO
-# ----------------------
-# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
-ac_fn_c_try_cpp ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- if { { ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
- *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
- *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-$as_echo "$ac_try_echo"; } >&5
- (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
- ac_status=$?
- if test -s conftest.err; then
- grep -v '^ *+' conftest.err >conftest.er1
- cat conftest.er1 >&5
- mv -f conftest.er1 conftest.err
- fi
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } > conftest.i && {
- test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
- test ! -s conftest.err
- }; then :
- ac_retval=0
-else
- $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
- ac_retval=1
-fi
- eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
- as_fn_set_status $ac_retval
-
-} # ac_fn_c_try_cpp
-
# ac_fn_cxx_try_compile LINENO
# ----------------------------
# Try to compile conftest.$ac_ext, and return whether this succeeded.
+
+
+# Check whether --with-pkgversion was given.
+if test "${with_pkgversion+set}" = set; then :
+ withval=$with_pkgversion; case "$withval" in
+ yes) as_fn_error $? "package version not specified" "$LINENO" 5 ;;
+ no) PKGVERSION= ;;
+ *) PKGVERSION="($withval) " ;;
+ esac
+else
+ PKGVERSION="(GNU libc) "
+
+fi
+
+ PKGVERSION_TEXI=`echo "$PKGVERSION" | sed 's/@/@@/g'`
+
+
+
+
+
+# Check whether --with-bugurl was given.
+if test "${with_bugurl+set}" = set; then :
+ withval=$with_bugurl; case "$withval" in
+ yes) as_fn_error $? "bug URL not specified" "$LINENO" 5 ;;
+ no) BUGURL=
+ ;;
+ *) BUGURL="$withval"
+ ;;
+ esac
+else
+ BUGURL="http://www.gnu.org/software/libc/bugs.html"
+
+fi
+
+ case ${BUGURL} in
+ "")
+ REPORT_BUGS_TO=
+ REPORT_BUGS_TEXI=
+ ;;
+ *)
+ REPORT_BUGS_TO="<$BUGURL>"
+ REPORT_BUGS_TEXI=@uref{`echo "$BUGURL" | sed 's/@/@@/g'`}
+ ;;
+ esac;
+
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define PKGVERSION "$PKGVERSION"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define REPORT_BUGS_TO "$REPORT_BUGS_TO"
+_ACEOF
+
+
# Glibc should not depend on any header files
+# We require GCC, and by default use its preprocessor. Override AC_PROG_CPP
+# here to work around the Autoconf issue discussed in
+# <http://sourceware.org/ml/libc-alpha/2013-01/msg00721.html>.
+# AC_PROG_CPP
+
+# We require GCC. Override _AC_PROG_CC_C89 here to work around the Autoconf
+# issue discussed in
+# <http://sourceware.org/ml/libc-alpha/2013-01/msg00757.html>.
+
+
subdirs="$subdirs "
CFLAGS=
fi
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
-$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if ${ac_cv_prog_cc_c89+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_cv_prog_cc_c89=no
-ac_save_CC=$CC
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdarg.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
-struct buf { int x; };
-FILE * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
- char **p;
- int i;
-{
- return p[i];
-}
-static char *f (char * (*g) (char **, int), char **p, ...)
-{
- char *s;
- va_list v;
- va_start (v,p);
- s = g (p, va_arg (v,int));
- va_end (v);
- return s;
-}
-
-/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has
- function prototypes and stuff, but not '\xHH' hex character constants.
- These don't provoke an error unfortunately, instead are silently treated
- as 'x'. The following induces an error, until -std is added to get
- proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an
- array size at least. It's necessary to write '\x00'==0 to get something
- that's true only with -std. */
-int osf4_cc_array ['\x00' == 0 ? 1 : -1];
-
-/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters
- inside strings and character constants. */
-#define FOO(x) 'x'
-int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1];
-
-int test (int i, double x);
-struct s1 {int (*f) (int a);};
-struct s2 {int (*f) (double a);};
-int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
-int argc;
-char **argv;
-int
-main ()
-{
-return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
- ;
- return 0;
-}
-_ACEOF
-for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
- -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
- CC="$ac_save_CC $ac_arg"
- if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_prog_cc_c89=$ac_arg
-fi
-rm -f core conftest.err conftest.$ac_objext
- test "x$ac_cv_prog_cc_c89" != "xno" && break
-done
-rm -f conftest.$ac_ext
-CC=$ac_save_CC
-
-fi
-# AC_CACHE_VAL
-case "x$ac_cv_prog_cc_c89" in
- x)
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-$as_echo "none needed" >&6; } ;;
- xno)
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-$as_echo "unsupported" >&6; } ;;
- *)
- CC="$CC $ac_cv_prog_cc_c89"
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-$as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
-esac
-if test "x$ac_cv_prog_cc_c89" != xno; then :
-
-fi
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
fi
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
-$as_echo_n "checking how to run the C preprocessor... " >&6; }
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
fi
if test -z "$CPP"; then
- if ${ac_cv_prog_CPP+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- # Double quotes because CPP needs to be expanded
- for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
- do
- ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
- # Use a header file that comes with gcc, so configuring glibc
- # with a fresh cross-compiler works.
- # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
- # <limits.h> exists even on freestanding compilers.
- # On the NeXT, cc -E runs the code through the compiler's parser,
- # not just through cpp. "Syntax error" is here to catch this case.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
- Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
- # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
- # OK, works on sane cases. Now check whether nonexistent headers
- # can be detected and how.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- # Broken: success on invalid input.
-continue
-else
- # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
- break
+ CPP="$CC -E"
fi
- done
- ac_cv_prog_CPP=$CPP
-
-fi
- CPP=$ac_cv_prog_CPP
-else
- ac_cv_prog_CPP=$CPP
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-$as_echo "$CPP" >&6; }
-ac_preproc_ok=false
-for ac_c_preproc_warn_flag in '' yes
-do
- # Use a header file that comes with gcc, so configuring glibc
- # with a fresh cross-compiler works.
- # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
- # <limits.h> exists even on freestanding compilers.
- # On the NeXT, cc -E runs the code through the compiler's parser,
- # not just through cpp. "Syntax error" is here to catch this case.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
- Syntax error
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
-
-else
- # Broken: fails on valid input.
-continue
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
- # OK, works on sane cases. Now check whether nonexistent headers
- # can be detected and how.
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <ac_nonexistent.h>
-_ACEOF
-if ac_fn_c_try_cpp "$LINENO"; then :
- # Broken: success on invalid input.
-continue
-else
- # Passes both tests.
-ac_preproc_ok=:
-break
-fi
-rm -f conftest.err conftest.i conftest.$ac_ext
-
-done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.i conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then :
-
-else
- { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
-fi
-
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
# We need the C++ compiler only for testing.
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}readelf", so it can be a program name with args.
+set dummy ${ac_tool_prefix}readelf; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_READELF+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$READELF"; then
+ ac_cv_prog_READELF="$READELF" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_READELF="${ac_tool_prefix}readelf"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+READELF=$ac_cv_prog_READELF
+if test -n "$READELF"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5
+$as_echo "$READELF" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_READELF"; then
+ ac_ct_READELF=$READELF
+ # Extract the first word of "readelf", so it can be a program name with args.
+set dummy readelf; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_READELF+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_READELF"; then
+ ac_cv_prog_ac_ct_READELF="$ac_ct_READELF" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_READELF="readelf"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_READELF=$ac_cv_prog_ac_ct_READELF
+if test -n "$ac_ct_READELF"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_READELF" >&5
+$as_echo "$ac_ct_READELF" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_READELF" = x; then
+ READELF="false"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ READELF=$ac_ct_READELF
+ fi
+else
+ READELF="$ac_cv_prog_READELF"
+fi
+
if test "`cd $srcdir; /bin/pwd`" = "`/bin/pwd`"; then
as_fn_error $? "you must configure in a separate build directory" "$LINENO" 5
+
# Check whether --with-default-link was given.
if test "${with_default_link+set}" = set; then :
withval=$with_default_link; use_default_link=$withval
profile=no
fi
-# Check whether --enable-versioning was given.
-if test "${enable_versioning+set}" = set; then :
- enableval=$enable_versioning; enable_versioning=$enableval
-else
- enable_versioning=yes
-fi
-
# Check whether --enable-oldest-abi was given.
if test "${enable_oldest_abi+set}" = set; then :
fi
+# Check whether --enable-hardcoded-path-in-tests was given.
+if test "${enable_hardcoded_path_in_tests+set}" = set; then :
+ enableval=$enable_hardcoded_path_in_tests; hardcoded_path_in_tests=$enableval
+else
+ hardcoded_path_in_tests=no
+fi
+
+
+
# Check whether --enable-stackguard-randomization was given.
if test "${enable_stackguard_randomization+set}" = set; then :
enableval=$enable_stackguard_randomization; enable_stackguard_randomize=$enableval
fi
+# Check whether --enable-lock-elision was given.
+if test "${enable_lock_elision+set}" = set; then :
+ enableval=$enable_lock_elision; enable_lock_elision=$enableval
+else
+ enable_lock_elision=no
+fi
+
+if test "$enable_lock_elision" = yes ; then
+ $as_echo "#define ENABLE_LOCK_ELISION 1" >>confdefs.h
+
+fi
+
# Check whether --enable-add-ons was given.
if test "${enable_add_ons+set}" = set; then :
enableval=$enable_add_ons;
fi
fi
+# Check whether --enable-build-nscd was given.
+if test "${enable_build_nscd+set}" = set; then :
+ enableval=$enable_build_nscd; build_nscd=$enableval
+else
+ build_nscd=default
+fi
+
+
+
+# Note the use of $use_nscd is near the bottom of the file.
+# Check whether --enable-nscd was given.
+if test "${enable_nscd+set}" = set; then :
+ enableval=$enable_nscd; use_nscd=$enableval
+else
+ use_nscd=yes
+fi
+
+
+# Check whether --enable-pt_chown was given.
+if test "${enable_pt_chown+set}" = set; then :
+ enableval=$enable_pt_chown; build_pt_chown=$enableval
+else
+ build_pt_chown=no
+fi
+
+
+if test "$build_pt_chown" = yes; then
+ $as_echo "#define HAVE_PT_CHOWN 1" >>confdefs.h
+
+fi
+
# The way shlib-versions is used to generate soversions.mk uses a
# fairly simplistic model for name recognition that can't distinguish
# i486-pc-linux-gnu fully from i486-pc-gnu. So we mutate a $host_os
# type and particular chip. If an add-on configure fragment already set
# base_machine, we don't change it.
test -n "$base_machine" || case "$machine" in
-i[34567]86) base_machine=i386 machine=i386/$machine ;;
-powerpc) base_machine=powerpc machine=powerpc/powerpc32 ;;
-powerpc64) base_machine=powerpc machine=powerpc/powerpc64 ;;
+i[4567]86) base_machine=i386 machine=i386/$machine ;;
+powerpc64*) base_machine=powerpc machine=powerpc/powerpc64 ;;
+powerpc*) base_machine=powerpc machine=powerpc/powerpc32 ;;
s390) base_machine=s390 machine=s390/s390-32 ;;
s390x) base_machine=s390 machine=s390/s390-64 ;;
sh3*) base_machine=sh machine=sh/sh3 ;;
fi
-# For the multi-arch option we need support in the assembler.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler gnu_indirect_function symbol type support" >&5
-$as_echo_n "checking for assembler gnu_indirect_function symbol type support... " >&6; }
-if ${libc_cv_asm_gnu_indirect_function+:} false; then :
+# For the multi-arch option we need support in the assembler & linker.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler and linker STT_GNU_IFUNC support" >&5
+$as_echo_n "checking for assembler and linker STT_GNU_IFUNC support... " >&6; }
+if ${libc_cv_ld_gnu_indirect_function+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.s <<EOF
+ cat > conftest.S <<EOF
.type foo,%gnu_indirect_function
+foo:
+.globl _start
+_start:
+.globl __start
+__start:
+.data
+#ifdef _LP64
+.quad foo
+#else
+.long foo
+#endif
EOF
-if ${CC-cc} -c $ASFLAGS conftest.s 1>&5 2>&5;
-then
- libc_cv_asm_gnu_indirect_function=yes
-else
- libc_cv_asm_gnu_indirect_function=no
+libc_cv_ld_gnu_indirect_function=no
+if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
+ -nostartfiles -nostdlib \
+ -o conftest conftest.S 1>&5 2>&5; then
+ # Do a link to see if the backend supports IFUNC relocs.
+ $READELF -r conftest 1>&5
+ LC_ALL=C $READELF -r conftest | grep 'no relocations' >/dev/null || {
+ libc_cv_ld_gnu_indirect_function=yes
+ }
fi
rm -f conftest*
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_gnu_indirect_function" >&5
-$as_echo "$libc_cv_asm_gnu_indirect_function" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ld_gnu_indirect_function" >&5
+$as_echo "$libc_cv_ld_gnu_indirect_function" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether .text pseudo-op must be used" >&5
$as_echo_n "checking whether .text pseudo-op must be used... " >&6; }
fi
if test -z "$libc_cv_dot_text"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler .type directive prefix" >&5
-$as_echo_n "checking for assembler .type directive prefix... " >&6; }
-if ${libc_cv_asm_type_prefix+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- libc_cv_asm_type_prefix=no
-for ac_try_prefix in '@' '%' '#'; do
- cat > conftest.s <<EOF
- ${libc_cv_dot_text}
- .globl foo
- .type foo, ${ac_try_prefix}object
- .size foo, 1
-foo:
- .byte 1
-EOF
- if { ac_try='${CC-cc} $ASFLAGS -c conftest.s 1>&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then
- libc_cv_asm_type_prefix=${ac_try_prefix}
- fi
- rm -f conftest*
- test "x$libc_cv_asm_type_prefix" != xno && break
-done
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_type_prefix" >&5
-$as_echo "$libc_cv_asm_type_prefix" >&6; }
-if test "x$libc_cv_asm_type_prefix" != xno; then
- cat >>confdefs.h <<_ACEOF
-#define ASM_TYPE_DIRECTIVE_PREFIX ${libc_cv_asm_type_prefix}
-_ACEOF
-
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
fi
-if test x"$libc_cv_asm_gnu_indirect_function" != xyes -o x"$libc_cv_asm_type_prefix" = xno; then
+if test x"$libc_cv_ld_gnu_indirect_function" != xyes; then
if test x"$multi_arch" = xyes; then
as_fn_error $? "--enable-multi-arch support requires assembler and linker support" "$LINENO" 5
else
multi_arch=no
fi
fi
+multi_arch_d=
if test x"$multi_arch" != xno; then
multi_arch_d=/multiarch
fi
set $m
# Prepend the machine's FPU directory unless --without-fp.
if test "$with_fp" = yes; then
- mach="$mach /$1/fpu"
+ maybe_fpu=/fpu
else
- mach="$mach /$1/nofpu"
+ maybe_fpu=/nofpu
fi
- mach="$mach /$1"
+ # For each machine term, try it with and then without /multiarch.
+ for try_fpu in $maybe_fpu ''; do
+ for try_multi in $multi_arch_d ''; do
+ mach="$mach /$1$try_fpu$try_multi"
+ done
+ done
tail="$2"
done
test "$v" = / && continue
for o in /$ostry ''; do
test "$o" = / && continue
- for m in $multi_arch_d $mach ''; do
+ for m in $mach ''; do
for d in $add_ons_pfx ''; do
for a in $add_ons_sfx ''; do
- if test -n "$m0$m0sub$b$v$o$m$msub"; then
+ try_suffix="$m0$b$v$o$m"
+ if test -n "$try_suffix"; then
try_srcdir="${srcdir}/"
case "$d" in
/*) try_srcdir= ;;
esac
- try="${d}sysdeps$m0$m0sub$b$v$o$m$msub$a"
+ try="${d}sysdeps$try_suffix$a"
test -n "$enable_debug_configure" &&
echo "$0 DEBUG: try $try" >&2
if test -d "$try_srcdir$try"; then
ac_prog_version=`$CC -v 2>&1 | sed -n 's/^.*version \([egcygnustpi-]*[0-9.]*\).*$/\1/p'`
case $ac_prog_version in
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
- 4.[3-9].* | 4.[1-9][0-9].* | [5-9].* )
+ 4.[4-9].* | 4.[1-9][0-9].* | [5-9].* )
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
# Found it, now check the version.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $SED" >&5
$as_echo_n "checking version of $SED... " >&6; }
- ac_prog_version=`$SED --version 2>&1 | sed -n 's/^.*GNU sed version \([0-9]*\.[0-9.]*\).*$/\1/p'`
+ ac_prog_version=`$SED --version 2>&1 | sed -n 's/^.*GNU sed[^0-9]* \([0-9]*\.[0-9.]*\).*$/\1/p'`
case $ac_prog_version in
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
3.0[2-9]*|3.[1-9]*|[4-9]*)
SED=: aux_missing="$aux_missing sed"
fi
-
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}readelf", so it can be a program name with args.
-set dummy ${ac_tool_prefix}readelf; ac_word=$2
+for ac_prog in gawk
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_READELF+:} false; then :
+if ${ac_cv_prog_AWK+:} false; then :
$as_echo_n "(cached) " >&6
else
- if test -n "$READELF"; then
- ac_cv_prog_READELF="$READELF" # Let the user override the test.
+ if test -n "$AWK"; then
+ ac_cv_prog_AWK="$AWK" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
test -z "$as_dir" && as_dir=.
for ac_exec_ext in '' $ac_executable_extensions; do
if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_READELF="${ac_tool_prefix}readelf"
+ ac_cv_prog_AWK="$ac_prog"
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
fi
fi
-READELF=$ac_cv_prog_READELF
-if test -n "$READELF"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5
-$as_echo "$READELF" >&6; }
+AWK=$ac_cv_prog_AWK
+if test -n "$AWK"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+$as_echo "$AWK" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
-fi
-if test -z "$ac_cv_prog_READELF"; then
- ac_ct_READELF=$READELF
- # Extract the first word of "readelf", so it can be a program name with args.
-set dummy readelf; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_READELF+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_READELF"; then
- ac_cv_prog_ac_ct_READELF="$ac_ct_READELF" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_ac_ct_READELF="readelf"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
+ test -n "$AWK" && break
done
- done
-IFS=$as_save_IFS
-fi
-fi
-ac_ct_READELF=$ac_cv_prog_ac_ct_READELF
-if test -n "$ac_ct_READELF"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_READELF" >&5
-$as_echo "$ac_ct_READELF" >&6; }
+if test -z "$AWK"; then
+ ac_verc_fail=yes
else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
+ # Found it, now check the version.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $AWK" >&5
+$as_echo_n "checking version of $AWK... " >&6; }
+ ac_prog_version=`$AWK --version 2>&1 | sed -n 's/^.*GNU Awk[^0-9]*\([0-9][0-9.]*\).*$/\1/p'`
+ case $ac_prog_version in
+ '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
+ 3.1.[2-9]*|3.[2-9]*|[4-9]*)
+ ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
+ *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
- if test "x$ac_ct_READELF" = x; then
- READELF="false"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- READELF=$ac_ct_READELF
- fi
-else
- READELF="$ac_cv_prog_READELF"
+ esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+$as_echo "$ac_prog_version" >&6; }
+fi
+if test $ac_verc_fail = yes; then
+ critic_missing="$critic_missing gawk"
fi
+
if test -n "$ac_tool_prefix"; then
# Extract the first word of "${ac_tool_prefix}nm", so it can be a program name with args.
set dummy ${ac_tool_prefix}nm; ac_word=$2
-isystem `echo $sysheaders | sed 's/:/ -isystem /g'`"
if test -n "$CXX"; then
CXX_SYSINCLUDES=
- cxxversion=`$CXX -dumpversion 2>&5` &&
- cxxmachine=`$CXX -dumpmachine 2>&5` &&
- for d in include "$cxxmachine/include"; do
- i=../../../../$d/c++/$cxxversion
- cxxheaders=`$CXX -print-file-name="$i"` &&
- test "x$cxxheaders" != x && test "x$i" != "x$cxxheaders" &&
- CXX_SYSINCLUDES="$CXX_SYSINCLUDES -isystem $cxxheaders \
--isystem $cxxheaders/$cxxmachine -isystem $cxxheaders/backward"
+ for cxxheaders in `$CXX -v -S -x c++ /dev/null -o /dev/null 2>&1 \
+ | sed -n -e '1,/#include/d' -e 's/^ \(\/.*\/[cg]++\)/\1/p'`; do
+ test "x$cxxheaders" != x &&
+ CXX_SYSINCLUDES="$CXX_SYSINCLUDES -isystem $cxxheaders"
done
fi
fi
if ${libc_cv_gcc_static_libgcc+:} false; then :
$as_echo_n "(cached) " >&6
else
- if $CC -v -static-libgcc 2>&1 | grep -q 'unrecognized option.*static-libgcc'; then
+ if $CC -v -static-libgcc 2>&1 | grep 'unrecognized option.*static-libgcc' >/dev/null; then
libc_cv_gcc_static_libgcc=
else
libc_cv_gcc_static_libgcc=-static-libgcc
fi
-for ac_prog in gawk mawk nawk awk
-do
- # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AWK+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$AWK"; then
- ac_cv_prog_AWK="$AWK" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_AWK="$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-AWK=$ac_cv_prog_AWK
-if test -n "$AWK"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
-$as_echo "$AWK" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$AWK" && break
-done
-
# Extract the first word of "perl", so it can be a program name with args.
set dummy perl; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
cat > conftest.s <<EOF
${libc_cv_dot_text}
_sym:
-.type _sym, ${libc_cv_asm_type_prefix}gnu_unique_object
+.type _sym, %gnu_unique_object
EOF
if ${CC-cc} -c $ASFLAGS conftest.s 1>&5 2>&5; then
libc_cv_asm_unique_object=yes
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .symver assembler directive" >&5
-$as_echo_n "checking for .symver assembler directive... " >&6; }
-if ${libc_cv_asm_symver_directive+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.s <<EOF
-${libc_cv_dot_text}
-_sym:
-.symver _sym,sym@VERS
-EOF
-if ${CC-cc} -c $ASFLAGS conftest.s 1>&5 2>&5; then
- libc_cv_asm_symver_directive=yes
-else
- libc_cv_asm_symver_directive=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_symver_directive" >&5
-$as_echo "$libc_cv_asm_symver_directive" >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld --version-script" >&5
-$as_echo_n "checking for ld --version-script... " >&6; }
-if ${libc_cv_ld_version_script_option+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test $libc_cv_asm_symver_directive = yes; then
- cat > conftest.s <<EOF
-${libc_cv_dot_text}
-_sym:
-.symver _sym,sym@VERS
-EOF
- cat > conftest.map <<EOF
-VERS_1 {
- global: sym;
-};
-
-VERS_2 {
- global: sym;
-} VERS_1;
-EOF
- if ${CC-cc} -c $ASFLAGS conftest.s 1>&5 2>&5; then
- if { ac_try='${CC-cc} $CFLAGS $LDFLAGS -shared
- -o conftest.so conftest.o
- -nostartfiles -nostdlib
- -Wl,--version-script,conftest.map
- 1>&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; };
- then
- libc_cv_ld_version_script_option=yes
- else
- libc_cv_ld_version_script_option=no
- fi
- else
- libc_cv_ld_version_script_option=no
- fi
-else
- libc_cv_ld_version_script_option=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ld_version_script_option" >&5
-$as_echo "$libc_cv_ld_version_script_option" >&6; }
-if test $shared != no &&
- test $libc_cv_asm_symver_directive = yes &&
- test $libc_cv_ld_version_script_option = yes &&
- test $enable_versioning = yes; then
- VERSIONING=yes
- $as_echo "#define DO_VERSIONING 1" >>confdefs.h
-
-else
- VERSIONING=no
-fi
-
-
-if test $shared != no && test $VERSIONING = no; then
- echo "\
-*** WARNING: You should not compile GNU libc without versioning. Not using
-*** versioning will introduce incompatibilities so that old binaries
-*** will not run anymore.
-*** For versioning you need recent binutils (binutils-2.8.1.0.23 or newer)."
-fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .previous assembler directive" >&5
$as_echo_n "checking for .previous assembler directive... " >&6; }
if ${libc_cv_asm_previous_directive+:} false; then :
int main (void) { return 0; }
EOF
if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static -o conftest \
- conftest.c -v 2>&1 >/dev/null | grep -q " -lunwind "; then
+ conftest.c -v 2>&1 >/dev/null | grep ' -lunwind ' >/dev/null; then
libc_cv_cc_with_libunwind=yes
else
libc_cv_cc_with_libunwind=no
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z nodelete option" >&5
-$as_echo_n "checking for -z nodelete option... " >&6; }
-if ${libc_cv_z_nodelete+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.c <<EOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z nodelete" >&5
+$as_echo_n "checking for linker that supports -z nodelete... " >&6; }
+libc_linker_feature=no
+if test x"$gnu_ld" = x"yes"; then
+ libc_linker_check=`$LD -v --help 2>/dev/null | grep "\-z nodelete"`
+ if test -n "$libc_linker_check"; then
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
-if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
- -fPIC -shared -o conftest.so conftest.c
- -nostartfiles -nostdlib
- -Wl,--enable-new-dtags,-z,nodelete 1>&5'
+ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -Wl,--enable-new-dtags,-z,nodelete -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
-then
+ then
+ libc_linker_feature=yes
+ fi
+ rm -f conftest*
+ fi
+fi
+if test $libc_linker_feature = yes; then
libc_cv_z_nodelete=yes
else
as_fn_error $? "linker with -z nodelete support required" "$LINENO" 5
fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_nodelete" >&5
-$as_echo "$libc_cv_z_nodelete" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+$as_echo "$libc_linker_feature" >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z nodlopen option" >&5
-$as_echo_n "checking for -z nodlopen option... " >&6; }
-if ${libc_cv_z_nodlopen+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.c <<EOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z nodlopen" >&5
+$as_echo_n "checking for linker that supports -z nodlopen... " >&6; }
+libc_linker_feature=no
+if test x"$gnu_ld" = x"yes"; then
+ libc_linker_check=`$LD -v --help 2>/dev/null | grep "\-z nodlopen"`
+ if test -n "$libc_linker_check"; then
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
-if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
- -fPIC -shared -o conftest.so conftest.c
- -nostartfiles -nostdlib
- -Wl,--enable-new-dtags,-z,nodlopen 1>&5'
+ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -Wl,--enable-new-dtags,-z,nodlopen -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
-then
+ then
+ libc_linker_feature=yes
+ fi
+ rm -f conftest*
+ fi
+fi
+if test $libc_linker_feature = yes; then
libc_cv_z_nodlopen=yes
else
as_fn_error $? "linker with -z nodlopen support required" "$LINENO" 5
fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_nodlopen" >&5
-$as_echo "$libc_cv_z_nodlopen" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+$as_echo "$libc_linker_feature" >&6; }
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z initfirst option" >&5
-$as_echo_n "checking for -z initfirst option... " >&6; }
-if ${libc_cv_z_initfirst+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.c <<EOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z initfirst" >&5
+$as_echo_n "checking for linker that supports -z initfirst... " >&6; }
+libc_linker_feature=no
+if test x"$gnu_ld" = x"yes"; then
+ libc_linker_check=`$LD -v --help 2>/dev/null | grep "\-z initfirst"`
+ if test -n "$libc_linker_check"; then
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
-if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
- -fPIC -shared -o conftest.so conftest.c
- -nostartfiles -nostdlib
- -Wl,--enable-new-dtags,-z,initfirst 1>&5'
+ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -Wl,--enable-new-dtags,-z,initfirst -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
-then
+ then
+ libc_linker_feature=yes
+ fi
+ rm -f conftest*
+ fi
+fi
+if test $libc_linker_feature = yes; then
libc_cv_z_initfirst=yes
else
as_fn_error $? "linker with -z initfirst support required" "$LINENO" 5
fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_initfirst" >&5
-$as_echo "$libc_cv_z_initfirst" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+$as_echo "$libc_linker_feature" >&6; }
# Add-on fragments can set these for other machines.
libc_commonpagesize=${libc_commonpagesize:-no}
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } \
- && grep -q .note.GNU-stack conftest.s \
+ && grep .note.GNU-stack conftest.s >/dev/null \
&& { ac_try='${CC-cc} $ASFLAGS -Wa,--noexecstack
-c -o conftest.o conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z execstack" >&5
-$as_echo_n "checking for -z execstack... " >&6; }
-if ${libc_cv_z_execstack+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.c <<EOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z execstack" >&5
+$as_echo_n "checking for linker that supports -z execstack... " >&6; }
+libc_linker_feature=no
+if test x"$gnu_ld" = x"yes"; then
+ libc_linker_check=`$LD -v --help 2>/dev/null | grep "\-z execstack"`
+ if test -n "$libc_linker_check"; then
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
-if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
- -fPIC -shared -o conftest.so conftest.c
- -Wl,-z,execstack -nostdlib
- 1>&5'
+ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -Wl,-z,execstack -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
-then
+ then
+ libc_linker_feature=yes
+ fi
+ rm -f conftest*
+ fi
+fi
+if test $libc_linker_feature = yes; then
libc_cv_z_execstack=yes
else
libc_cv_z_execstack=no
fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_execstack" >&5
-$as_echo "$libc_cv_z_execstack" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+$as_echo "$libc_linker_feature" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fpie" >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_nofma" >&5
$as_echo "$libc_cv_cc_nofma" >&6; }
+
if test -n "$submachine"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option for CPU variant" >&5
$as_echo_n "checking for compiler option for CPU variant... " >&6; }
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC accepts -fno-tree-loop-distribute-patterns with \
+__attribute__ ((__optimize__))" >&5
+$as_echo_n "checking if $CC accepts -fno-tree-loop-distribute-patterns with \
+__attribute__ ((__optimize__))... " >&6; }
+if ${libc_cv_cc_loop_to_function+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat > conftest.c <<EOF
+void
+__attribute__ ((__optimize__ ("-fno-tree-loop-distribute-patterns")))
+foo (void) {}
+EOF
+libc_cv_cc_loop_to_function=no
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -c conftest.c'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
+ libc_cv_cc_loop_to_function=yes
+fi
+rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_loop_to_function" >&5
+$as_echo "$libc_cv_cc_loop_to_function" >&6; }
+if test $libc_cv_cc_loop_to_function = yes; then
+ $as_echo "#define HAVE_CC_INHIBIT_LOOP_TO_LIBCALL 1" >>confdefs.h
+
+fi
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libgd" >&5
$as_echo_n "checking for libgd... " >&6; }
if test "$with_gd" != "no"; then
fi
+# A sysdeps configure fragment can reset this if IFUNC is not actually
+# usable even though the assembler knows how to generate the symbol type.
+if test x"$libc_cv_ld_gnu_indirect_function" = xyes; then
+ $as_echo "#define HAVE_IFUNC 1" >>confdefs.h
+
+fi
+
+# This is far from the AC_ARG_ENABLE that sets it so that a sysdeps
+# configure fragment can override the value to prevent this AC_DEFINE.
+
+if test "x$use_nscd" != xno; then
+ $as_echo "#define USE_NSCD 1" >>confdefs.h
+
+fi
+if test "x$build_nscd" = xdefault; then
+ build_nscd=$use_nscd
+fi
+
# Test for old glibc 2.0.x headers so that they can be removed properly
# Search only in includedir.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for old glibc 2.0.x headers" >&5
+if test x$use_ldconfig = xyes; then
+ $as_echo "#define USE_LDCONFIG 1" >>confdefs.h
-
-
-
-
-
-
-
-
+fi
-if test "`(cd $srcdir; pwd)`" = "`pwd`"; then
- config_makefile=
-else
- config_makefile=Makefile
-fi
-
VERSION=`sed -n -e 's/^#define VERSION "\([^"]*\)"/\1/p' < $srcdir/version.h`
RELEASE=`sed -n -e 's/^#define RELEASE "\([^"]*\)"/\1/p' < $srcdir/version.h`
-ac_config_files="$ac_config_files config.make ${config_makefile}"
+ac_config_files="$ac_config_files config.make Makefile"
ac_config_commands="$ac_config_commands default"
ac_pwd='$ac_pwd'
srcdir='$srcdir'
INSTALL='$INSTALL'
-AWK='$AWK'
test -n "\$AWK" || AWK=awk
_ACEOF
case $ac_config_target in
"config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
"config.make") CONFIG_FILES="$CONFIG_FILES config.make" ;;
- "${config_makefile}") CONFIG_FILES="$CONFIG_FILES ${config_makefile}" ;;
+ "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
"default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;;
*) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;