# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.68 for GNU C Library (see version.h).
#
-# Report bugs to <glibc>.
+# Report bugs to <http://sourceware.org/bugzilla/>.
#
#
# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
$as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
$as_echo "$0: be upgraded to zsh 4.3.4 or later."
else
- $as_echo "$0: Please tell bug-autoconf@gnu.org and glibc about your
-$0: system, including any error possibly output before this
+ $as_echo "$0: Please tell bug-autoconf@gnu.org and
+$0: http://sourceware.org/bugzilla/ about your system,
+$0: including any error possibly output before this
$0: message. Then install a modern shell, or manually run
$0: the script under such a shell if you do have one."
fi
# Identity of this package.
PACKAGE_NAME='GNU C Library'
-PACKAGE_TARNAME='c-library'
+PACKAGE_TARNAME='glibc'
PACKAGE_VERSION='(see version.h)'
PACKAGE_STRING='GNU C Library (see version.h)'
-PACKAGE_BUGREPORT='glibc'
-PACKAGE_URL='http://www.gnu.org/software/c-library/'
+PACKAGE_BUGREPORT='http://sourceware.org/bugzilla/'
+PACKAGE_URL='http://www.gnu.org/software/glibc/'
ac_unique_file="include/features.h"
enable_option_checking=no
ldd_rewrite_script
use_ldconfig
libc_cv_as_i686
+libc_cv_cc_fma4
libc_cv_cc_novzeroupper
libc_cv_cc_avx
libc_cv_cc_sse4
LIBGD
libc_cv_cc_submachine
exceptions
-no_whole_archive
libc_cv_have_initfini
gnu89_inline
libc_cv_ssp
oldest_abi
enable_check_abi
use_default_link
-with_cvs
with_fp
ac_ct_CXX
CXXFLAGS
with_elf
with_selinux
with_xcoff
-with_cvs
with_headers
with_default_link
enable_sanity_checks
enable_oldest_abi
enable_stackguard_randomization
enable_add_ons
-with_tls
-with___thread
enable_hidden_plt
enable_bind_now
enable_static_nss
--infodir=DIR info documentation [DATAROOTDIR/info]
--localedir=DIR locale-dependent data [DATAROOTDIR/locale]
--mandir=DIR man documentation [DATAROOTDIR/man]
- --docdir=DIR documentation root [DATAROOTDIR/doc/c-library]
+ --docdir=DIR documentation root [DATAROOTDIR/doc/glibc]
--htmldir=DIR html documentation [DOCDIR]
--dvidir=DIR dvi documentation [DOCDIR]
--pdfdir=DIR pdf documentation [DOCDIR]
--with-elf if using the ELF object format
--with-selinux if building with SELinux support
--with-xcoff if using the XCOFF object format
- --without-cvs if CVS should not be used
--with-headers=PATH location of system headers to use (for example
/usr/src/linux/include) [default=compiler default]
- --with-default-link do not use explicit linker scripts [default=no]
- --with-tls enable support for TLS
- --without-__thread do not use TLS features even when supporting them
+ --with-default-link do not use explicit linker scripts
--with-cpu=CPU select code for CPU variant
Some influential environment variables:
Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.
-Report bugs to <glibc>.
-GNU C Library home page: <http://www.gnu.org/software/c-library/>.
+Report bugs to <http://sourceware.org/bugzilla/>.
+GNU C Library home page: <http://www.gnu.org/software/glibc/>.
General help using GNU software: <http://www.gnu.org/gethelp/>.
_ACEOF
ac_status=$?
fi
-# Check whether --with-cvs was given.
-if test "${with_cvs+set}" = set; then :
- withval=$with_cvs; with_cvs=$withval
-else
- with_cvs=yes
-fi
-
-if test "$with_cvs" = yes; then
- if test -d $srcdir/CVS && grep :pserver: $srcdir/CVS/Root > /dev/null
- then
- with_cvs=no
- fi
-fi
-
-
# Check whether --with-headers was given.
if test "${with_headers+set}" = set; then :
if test "${with_default_link+set}" = set; then :
withval=$with_default_link; use_default_link=$withval
else
- use_default_link=no
+ use_default_link=default
fi
fi
-
-# Check whether --with-tls was given.
-if test "${with_tls+set}" = set; then :
- withval=$with_tls; usetls=$withval
-else
- usetls=yes
-fi
-
-
-
-# Check whether --with-__thread was given.
-if test "${with___thread+set}" = set; then :
- withval=$with___thread; use__thread=$withval
-else
- use__thread=yes
-fi
-
-
# Check whether --enable-hidden-plt was given.
if test "${enable_hidden_plt+set}" = set; then :
enableval=$enable_hidden_plt; hidden=$enableval
test $libc_cv_autoconf_works = yes || AUTOCONF=no
;;
esac
-if test "x$with_cvs" = xyes && test "x$AUTOCONF" = xno; then
- # If --without-cvs they probably won't change configure.in, so no complaints.
+if test "x$AUTOCONF" = xno; then
aux_missing="$aux_missing autoconf"
fi
SYSINCLUDES="$SYSINCLUDES \
-isystem `echo $sysheaders | sed 's/:/ -isystem /g'`"
if test -n "$CXX"; then
+ CXX_SYSINCLUDES=
cxxversion=`$CXX -dumpversion 2>&5` &&
cxxmachine=`$CXX -dumpmachine 2>&5` &&
- cxxheaders=`$CXX -print-file-name=../../../../include/c++/`"$cxxversion" &&
- CXX_SYSINCLUDES="-isystem $cxxheaders \
+ for d in include "$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 $cxxheaders/backward"
+ done
fi
fi
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
if $READELF -WS conftest$ac_exeext | $AWK '
- { gsub(/\[ */, "[") }
+ { gsub(/\[ */, "[") }
$2 == ".ctors" || $2 == ".dtors" {
size = strtonum("0x" $6)
align = strtonum("0x" $NF)
seen[$2] = 1
stub[$2] = size == align * 2
- }
+ }
END {
ctors_ok = !seen[".ctors"] || stub[".ctors"]
dtors_ok = !seen[".dtors"] || stub[".dtors"]
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_hashstyle" >&5
$as_echo "$libc_cv_hashstyle" >&6; }
+
+ # The linker's default -shared behavior is good enough if it
+ # does these things that our custom linker scripts ensure that
+ # all allocated NOTE sections come first.
+ if test "$use_default_link" = default; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sufficient default -shared layout" >&5
+$as_echo_n "checking for sufficient default -shared layout... " >&6; }
+if ${libc_cv_use_default_link+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ libc_cv_use_default_link=no
+ cat > conftest.s <<\EOF
+ .section .note.a,"a",%note
+ .balign 4
+ .long 4,4,9
+ .string "GNU"
+ .string "foo"
+ .section .note.b,"a",%note
+ .balign 4
+ .long 4,4,9
+ .string "GNU"
+ .string "bar"
+EOF
+ if { ac_try=' ${CC-cc} $ASFLAGS -shared -o conftest.so conftest.s 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; } &&
+ ac_try=`$READELF -S conftest.so | sed -n \
+ '${x;p;}
+ s/^ *\[ *[1-9][0-9]*\] *\([^ ][^ ]*\) *\([^ ][^ ]*\) .*$/\2 \1/
+ t a
+ b
+ : a
+ H'`
+ then
+ libc_seen_a=no libc_seen_b=no
+ set -- $ac_try
+ while test $# -ge 2 -a "$1" = NOTE; do
+ case "$2" in
+ .note.a) libc_seen_a=yes ;;
+ .note.b) libc_seen_b=yes ;;
+ esac
+ shift 2
+ done
+ case "$libc_seen_a$libc_seen_b" in
+ yesyes)
+ libc_cv_use_default_link=yes
+ ;;
+ *)
+ echo >&5 "\
+$libc_seen_a$libc_seen_b from:
+$ac_try"
+ ;;
+ esac
+ fi
+ rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_use_default_link" >&5
+$as_echo "$libc_cv_use_default_link" >&6; }
+ use_default_link=$libc_cv_use_default_link
+ fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker output format" >&5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ld_no_whole_archive" >&5
$as_echo "$libc_cv_ld_no_whole_archive" >&6; }
-if test $libc_cv_ld_no_whole_archive = yes; then
- no_whole_archive=-Wl,--no-whole-archive
+if test $libc_cv_ld_no_whole_archive = no; then
+ as_fn_error $? "support for --no-whole-archive is needed" "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc -fexceptions" >&5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_expect" >&5
$as_echo "$libc_cv_gcc_builtin_expect" >&6; }
-if test "$libc_cv_gcc_builtin_expect" = yes; then
- $as_echo "#define HAVE_BUILTIN_EXPECT 1" >>confdefs.h
-
+if test "$libc_cv_gcc_builtin_expect" = no; then
+ as_fn_error $? "support for __builtin_expect needed" "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_memset" >&5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_redirection" >&5
$as_echo "$libc_cv_gcc_builtin_redirection" >&6; }
-if test "$libc_cv_gcc_builtin_redirection" = yes ; then
- $as_echo "#define HAVE_BUILTIN_REDIRECTION 1" >>confdefs.h
-
+if test "$libc_cv_gcc_builtin_redirection" = no; then
+ as_fn_error $? "support for the symbol redirection needed" "$LINENO" 5
fi
-if test "x$use__thread" != xno; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __thread" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __thread" >&5
$as_echo_n "checking for __thread... " >&6; }
if ${libc_cv_gcc___thread+:} false; then :
$as_echo_n "(cached) " >&6
cat > conftest.c <<\EOF
__thread int a = 42;
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -c conftest.c >&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -c conftest.c >&5'
{ { eval echo "\"\$as_me\":${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_gcc___thread=yes
- else
- libc_cv_gcc___thread=no
- fi
- rm -f conftest*
+ libc_cv_gcc___thread=yes
+else
+ libc_cv_gcc___thread=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc___thread" >&5
$as_echo "$libc_cv_gcc___thread" >&6; }
- if test "$libc_cv_gcc___thread" = yes; then
- $as_echo "#define HAVE___THREAD 1" >>confdefs.h
-
- fi
-else
- libc_cv_gcc___thread=no
+if test "$libc_cv_gcc___thread" = no; then
+ as_fn_error $? "support for the __thread keyword is required" "$LINENO" 5
fi
-if test "$libc_cv_gcc___thread" = yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tls_model attribute" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for tls_model attribute" >&5
$as_echo_n "checking for tls_model attribute... " >&6; }
if ${libc_cv_gcc_tls_model_attr+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<\EOF
+ cat > conftest.c <<\EOF
extern __thread int a __attribute__((tls_model ("initial-exec")));
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S -Werror conftest.c >&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S -Werror conftest.c >&5'
{ { eval echo "\"\$as_me\":${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_gcc_tls_model_attr=yes
- else
- libc_cv_gcc_tls_model_attr=no
- fi
- rm -f conftest*
+ libc_cv_gcc_tls_model_attr=yes
+else
+ libc_cv_gcc_tls_model_attr=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_tls_model_attr" >&5
$as_echo "$libc_cv_gcc_tls_model_attr" >&6; }
- if test "$libc_cv_gcc_tls_model_attr" = yes; then
- $as_echo "#define HAVE_TLS_MODEL_ATTRIBUTE 1" >>confdefs.h
-
- fi
+if test "$libc_cv_gcc_tls_model_attr" = no; then
+ as_fn_error $? "support for the tls_model attribute is required" "$LINENO" 5
fi
if test -n "$submachine"; then
fi
-$as_echo "#define USE_IN_LIBIO 1" >>confdefs.h
-
-
# 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 $elf = yes; then
$as_echo "#define HAVE_ELF 1" >>confdefs.h
Configuration commands:
$config_commands
-Report bugs to <glibc>.
-GNU C Library home page: <http://www.gnu.org/software/c-library/>.
+Report bugs to <http://sourceware.org/bugzilla/>.
+GNU C Library home page: <http://www.gnu.org/software/glibc/>.
General help using GNU software: <http://www.gnu.org/gethelp/>."
_ACEOF
projects / platform / upstream / glibc.git / blobdiff