slibdir
dollar
gcc_tooldir
-LTO_USE_LIBELF
-LTO_BINARY_READER
enable_lto
MAINT
zlibinc
enable_sjlj_exceptions
with_system_libunwind
enable_secureplt
-enable_leading_mingw64_underscores
enable_cld
enable_win32_registry
enable_static
enable_fast_install
enable_libtool_lock
with_plugin_ld
-enable_comdat
enable_gnu_unique_object
enable_linker_build_id
with_long_double_128
--enable-sjlj-exceptions
arrange to use setjmp/longjmp exception handling
--enable-secureplt enable -msecure-plt by default for PowerPC
- --enable-leading-mingw64-underscores
- Enable leading underscores on 64 bit mingw targets
--enable-cld enable -mcld by default for 32bit x86
--disable-win32-registry
disable lookup of installation paths in the
--enable-fast-install[=PKGS]
optimize for fast installation [default=yes]
--disable-libtool-lock avoid locking (might break parallel builds)
- --enable-comdat enable COMDAT group support
--enable-gnu-unique-object enable the use of the @gnu_unique_object ELF extension on
glibc systems
--enable-linker-build-id
done
-save_CPPFLAGS="$CPPFLAGS"
-save_LIBS="$LIBS"
-LIBS="$LIBS $LIBELFLIBS"
-for ac_func in elf_getshdrstrndx
-do :
- ac_fn_c_check_func "$LINENO" "elf_getshdrstrndx" "ac_cv_func_elf_getshdrstrndx"
-if test "x$ac_cv_func_elf_getshdrstrndx" = x""yes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_ELF_GETSHDRSTRNDX 1
-_ACEOF
-
-else
- for ac_func in elf_getshstrndx
-do :
- ac_fn_c_check_func "$LINENO" "elf_getshstrndx" "ac_cv_func_elf_getshstrndx"
-if test "x$ac_cv_func_elf_getshstrndx" = x""yes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_ELF_GETSHSTRNDX 1
-_ACEOF
- if test "$cross_compiling" = yes; then :
- { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error "cannot run test program while cross compiling
-See \`config.log' for more details." "$LINENO" 5; }
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdlib.h>
-#include <libelf.h>
-int main()
-{
- return elf_getshstrndx (NULL, 0) == 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
-
-$as_echo "#define HAVE_ELF_GETSHSTRNDX_GABI 1" >>confdefs.h
-
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
- conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-fi
-done
-
-
-fi
-done
-
-LIBS="$save_LIBS"
-CPPFLAGS="$save_CPPFLAGS"
-
if test x$ac_cv_func_mbstowcs = xyes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether mbstowcs works" >&5
$as_echo_n "checking whether mbstowcs works... " >&6; }
fi
-# Check whether --enable-leading-mingw64-underscores was given.
-if test "${enable_leading_mingw64_underscores+set}" = set; then :
- enableval=$enable_leading_mingw64_underscores;
-fi
-
-if test x"$enable_leading_mingw64_underscores" = xyes ; then :
-
-$as_echo "#define USE_MINGW64_LEADING_UNDERSCORES 1" >>confdefs.h
-
-fi
-
# Check whether --enable-cld was given.
if test "${enable_cld+set}" = set; then :
enableval=$enable_cld;
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 17111 "configure"
+#line 17040 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 17217 "configure"
+#line 17146 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
- else
- case "${target}" in
- *-*-solaris2*)
- #
- # Solaris 2 ld -V output looks like this for a regular version:
- #
- # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1699
- #
- # but test versions add stuff at the end:
- #
- # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1701:onnv-ab196087-6931056-03/25/10
- #
- ld_ver=`$gcc_cv_ld -V 2>&1`
- if echo "$ld_ver" | grep 'Solaris Link Editors' > /dev/null; then
- ld_vers=`echo $ld_ver | sed -n \
- -e 's,^.*: 5\.[0-9][0-9]*-\([0-9]\.[0-9][0-9]*\).*$,\1,p'`
- ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
- ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
- fi
- ;;
- esac
fi
fi
gcc_cv_ld_hidden=yes
;;
*-*-solaris2.9* | *-*-solaris2.1[0-9]*)
- # Support for .hidden in Sun ld appeared in Solaris 9 FCS, but
- # .symbolic was only added in Solaris 9 12/02.
gcc_cv_ld_hidden=yes
;;
*)
&& test $in_tree_ld_is_elf = yes; then
comdat_group=yes
fi
-elif echo "$ld_ver" | grep GNU > /dev/null; then
+elif test x"$ld_vers" != x; then
comdat_group=yes
if test 0"$ld_date" -lt 20050308; then
if test -n "$ld_date"; then
fi
fi
else
- case "${target}" in
- *-*-solaris2.1[1-9]*)
- # Sun ld has COMDAT group support since Solaris 9, but it doesn't
- # interoperate with GNU as until Solaris 11 build 130, i.e. ld
- # version 1.688.
- #
- # FIXME: Maybe need to refine later when COMDAT group support with
- # Sun as is implemented.
- if test "$ld_vers_major" -gt 1 || test "$ld_vers_minor" -ge 1688; then
- comdat_group=yes
- else
- comdat_group=no
- fi
- ;;
- *)
- # Assume linkers other than GNU ld don't support COMDAT group.
- comdat_group=no
- ;;
- esac
-fi
-# Allow overriding the automatic COMDAT group tests above.
-# Check whether --enable-comdat was given.
-if test "${enable_comdat+set}" = set; then :
- enableval=$enable_comdat; comdat_group="$enable_comdat"
+ # assume linkers other than GNU ld don't support COMDAT group
+ comdat_group=no
fi
-
if test $comdat_group = no; then
gcc_cv_as_comdat_group=no
gcc_cv_as_comdat_group_percent=no
;;
i[34567]86-*-*)
case "$target" in
- i[34567]86-*-solaris2.[89]*)
+ i[34567]86-*-solaris2.[56789]*)
# TLS was introduced in the Solaris 9 4/04 release but
# we do not enable it by default on Solaris 9 either.
if test "x$enable_tls" = xyes ; then
;;
sparc*-*-*)
case "$target" in
- sparc*-sun-solaris2.[89]*)
+ sparc*-sun-solaris2.[56789]*)
# TLS was introduced in the Solaris 9 4/04 release but
# we do not enable it by default on Solaris 9 either.
if test "x$enable_tls" = xyes ; then
$as_echo "#define HAVE_GAS_PE_SECREL32_RELOC 1" >>confdefs.h
fi
- # Test if the assembler supports the extended form of the .section
- # directive that specifies section alignment. LTO support uses this,
- # but normally only after installation, so we warn but don't fail the
- # configure if LTO is enabled but the assembler does not support it.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .section with alignment" >&5
-$as_echo_n "checking assembler for .section with alignment... " >&6; }
-if test "${gcc_cv_as_section_has_align+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- gcc_cv_as_section_has_align=no
- if test $in_tree_gas = yes; then
- if test $gcc_cv_gas_vers -ge `expr \( \( 2 \* 1000 \) + 20 \) \* 1000 + 1`
- then gcc_cv_as_section_has_align=yes
-fi
- elif test x$gcc_cv_as != x; then
- echo '.section lto_test,"dr0"' > conftest.s
- if { ac_try='$gcc_cv_as $gcc_cv_as_flags -fatal-warnings -o conftest.o conftest.s >&5'
- { { eval echo "\"\$as_me\":${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
- gcc_cv_as_section_has_align=yes
- else
- echo "configure: failed program was" >&5
- cat conftest.s >&5
- fi
- rm -f conftest.o conftest.s
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_section_has_align" >&5
-$as_echo "$gcc_cv_as_section_has_align" >&6; }
-
- if test x$gcc_cv_as_section_has_align != xyes; then
- case ",$enable_languages," in
- *,lto,*)
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: LTO for $target requires binutils >= 2.20.1, but version found appears insufficient; LTO will not work until binutils is upgraded." >&5
-$as_echo "$as_me: WARNING: LTO for $target requires binutils >= 2.20.1, but version found appears insufficient; LTO will not work until binutils is upgraded." >&2;}
- ;;
- esac
- fi
;;
esac
if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
| grep "gc-sections option ignored" > /dev/null; then
gcc_cv_ld_eh_gc_sections=no
- elif $gcc_cv_objdump -h conftest 2> /dev/null \
- | grep gcc_except_table > /dev/null; then
+ elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then
gcc_cv_ld_eh_gc_sections=yes
# If no COMDAT groups, the compiler will emit .gnu.linkonce.t. sections.
if test x$gcc_cv_as_comdat_group != xyes; then
if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
| grep "gc-sections option ignored" > /dev/null; then
gcc_cv_ld_eh_gc_sections=no
- elif $gcc_cv_objdump -h conftest 2> /dev/null \
- | grep gcc_except_table > /dev/null; then
+ elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then
gcc_cv_ld_eh_gc_sections=yes
fi
fi
enable_lto=yes
- # LTO needs to speak the platform's object file format, and has a
- # number of implementations of the required binary file access APIs.
- # ELF is the most common, and default. We only link libelf if ELF
- # is indeed the selected format.
- LTO_BINARY_READER=${lto_binary_reader}
- LTO_USE_LIBELF=-lelf
- if test "x$lto_binary_reader" != "xlto-elf" ; then
- LTO_USE_LIBELF=
- fi
-
-
;;
*) ;;
esac
pluginlibs=
if test x"$enable_plugin" = x"yes"; then
- case "${host}" in
- *-*-darwin*)
- export_sym_check="$gcc_cv_nm -g"
- ;;
- *)
- export_sym_check="$gcc_cv_objdump -T"
- ;;
- esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for exported symbols" >&5
$as_echo_n "checking for exported symbols... " >&6; }
echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c
${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest > /dev/null 2>&1
- if $export_sym_check conftest | grep foobar > /dev/null; then
+ if $gcc_cv_objdump -T conftest | grep foobar > /dev/null; then
: # No need to use a flag
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -rdynamic" >&5
$as_echo_n "checking for -rdynamic... " >&6; }
${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null 2>&1
- if $export_sym_check conftest | grep foobar > /dev/null; then
- plugin_rdynamic=yes
+ if $gcc_cv_objdump -T conftest | grep foobar > /dev/null; then
pluginlibs="-rdynamic"
else
- plugin_rdynamic=no
enable_plugin=no
fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $plugin_rdynamic" >&5
-$as_echo "$plugin_rdynamic" >&6; }
fi
# Check -ldl
# Check that we can build shared objects with -fPIC -shared
saved_LDFLAGS="$LDFLAGS"
- case "${host}" in
- *-*-darwin*)
- LDFLAGS="$LDFLAGS -fPIC -shared -undefined dynamic_lookup"
- ;;
- *)
- LDFLAGS="$LDFLAGS -fPIC -shared"
- ;;
- esac
+ LDFLAGS="$LDFLAGS -fPIC -shared"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fPIC -shared" >&5
$as_echo_n "checking for -fPIC -shared... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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