enable_shared
enable_fixed_point
enable_decimal_float
+with_float
+with_cpu
+enable_multiarch
enable_multilib
ENABLE_BUILD_WITH_CXX
coverage_flags
enable_build_with_cxx
with_stabs
enable_multilib
+enable_multiarch
enable___cxa_atexit
enable_decimal_float
enable_fixed_point
with_multilib_list
enable_rpath
with_libiconv_prefix
-enable_initfini_array
enable_sjlj_exceptions
enable_secureplt
enable_leading_mingw64_underscores
enable_libtool_lock
with_plugin_ld
enable_gnu_indirect_function
+enable_initfini_array
enable_comdat
enable_gnu_unique_object
enable_linker_build_id
enable detailed memory allocation stats gathering
--enable-build-with-cxx build with C++ compiler instead of C compiler
--enable-multilib enable library support for multiple ABIs
+ --enable-multiarch enable support for multiarch paths
--enable-__cxa_atexit enable __cxa_atexit for C++
--enable-decimal-float={no,yes,bid,dpd}
enable decimal float extension to C. Selecting 'bid'
--disable-shared don't provide a shared libgcc
--enable-languages=LIST specify which front-ends to build
--disable-rpath do not hardcode runtime library paths
- --enable-initfini-array use .init_array/.fini_array sections
--enable-sjlj-exceptions
arrange to use setjmp/longjmp exception handling
--enable-secureplt enable -msecure-plt by default for PowerPC
--enable-gnu-indirect-function
enable the use of the @gnu_indirect_function to
glibc systems
+ --enable-initfini-array use .init_array/.fini_array sections
--enable-comdat enable COMDAT group support
--enable-gnu-unique-object
enable the use of the @gnu_unique_object ELF
fi
-gnu_ld=`if test x"$gnu_ld_flag" = x"yes"; then echo 1; else echo 0; fi`
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_GNU_LD $gnu_ld
-_ACEOF
-
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a default linker was specified" >&5
$as_echo_n "checking whether a default linker was specified... " >&6; }
if test x"${DEFAULT_LINKER+set}" = x"set"; then
fi
-gnu_as=`if test x"$gas_flag" = x"yes"; then echo 1; else echo 0; fi`
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_GNU_AS $gnu_as
-_ACEOF
-
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a default assembler was specified" >&5
$as_echo_n "checking whether a default assembler was specified... " >&6; }
if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
;;
i[34567]86-*-cygwin* | i[34567]86-*-mingw* | x86_64-*-mingw*)
;;
- i[34567]86-*-interix3*)
+ i[34567]86-*-interix[3-9]*)
# Interix 3.x gcc -fpic/-fPIC options generate broken code.
# Instead, we relocate shared libraries at runtime.
;;
+# Determine whether or not multiarch is enabled.
+# Check whether --enable-multiarch was given.
+if test "${enable_multiarch+set}" = set; then :
+ enableval=$enable_multiarch; case "${enableval}" in
+yes|no|auto) enable_multiarch=$enableval;;
+*) as_fn_error "bad value ${enableval} given for --enable-multiarch option" "$LINENO" 5 ;;
+esac
+else
+ enable_multiarch=auto
+fi
+
+if test x${enable_multiarch} = xauto; then
+ if test x${with_native_system_header_dir} != x; then
+ ma_msg_suffix=", disabled auto check (configured with --native-system-header-dir)"
+ enable_multiarch=no
+ fi
+ if test x$host != x$target && test "x$with_sysroot" = x; then
+ ma_msg_suffix=", disabled auto check (cross build configured without --with-sysroot)"
+ enable_multiarch=no
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for multiarch configuration" >&5
+$as_echo_n "checking for multiarch configuration... " >&6; }
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_multiarch$ma_msg_suffix" >&5
+$as_echo "$enable_multiarch$ma_msg_suffix" >&6; }
+
+# needed for setting the multiarch name for soft-float/hard-float ABIs
+
+
+
# Enable __cxa_atexit for C++.
# Check whether --enable-__cxa_atexit was given.
if test "${enable___cxa_atexit+set}" = set; then :
fi
-# Restore CFLAGS, CXXFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
-CFLAGS="$saved_CFLAGS"
-CXXFLAGS="$saved_CXXFLAGS"
-
-# Check whether --enable-initfini-array was given.
-if test "${enable_initfini_array+set}" = set; then :
- enableval=$enable_initfini_array;
-else
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .preinit_array/.init_array/.fini_array support" >&5
-$as_echo_n "checking for .preinit_array/.init_array/.fini_array support... " >&6; }
-if test "${gcc_cv_initfini_array+set}" = set; then :
+# Check if F_SETLKW is supported by fcntl.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for F_SETLKW" >&5
+$as_echo_n "checking for F_SETLKW... " >&6; }
+if test "${ac_cv_f_setlkw+set}" = set; then :
$as_echo_n "(cached) " >&6
else
- if test "x${build}" = "x${target}" && test "x${build}" = "x${host}"; then
- if test "$cross_compiling" = yes; then :
- gcc_cv_initfini_array=no
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-#ifndef __ELF__
-#error Not an ELF OS
-#endif
-#ifdef __ia64__
-/* We turn on .preinit_array/.init_array/.fini_array support for ia64
- if it can be used. */
-static int x = -1;
-int main (void) { return x; }
-int foo (void) { x = 0; }
-int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
-#else
-extern void abort ();
-static int count;
-
-static void
-init1005 ()
-{
- if (count != 0)
- abort ();
- count = 1005;
-}
-void (*const init_array1005) ()
- __attribute__ ((section (".init_array.01005"), aligned (sizeof (void *))))
- = { init1005 };
-static void
-fini1005 ()
-{
- if (count != 1005)
- abort ();
-}
-void (*const fini_array1005) ()
- __attribute__ ((section (".fini_array.01005"), aligned (sizeof (void *))))
- = { fini1005 };
-static void
-ctor1007 ()
-{
- if (count != 1005)
- abort ();
- count = 1007;
-}
-void (*const ctors1007) ()
- __attribute__ ((section (".ctors.64528"), aligned (sizeof (void *))))
- = { ctor1007 };
-static void
-dtor1007 ()
-{
- if (count != 1007)
- abort ();
- count = 1005;
-}
-void (*const dtors1007) ()
- __attribute__ ((section (".dtors.64528"), aligned (sizeof (void *))))
- = { dtor1007 };
-
-static void
-init65530 ()
-{
- if (count != 1007)
- abort ();
- count = 65530;
-}
-void (*const init_array65530) ()
- __attribute__ ((section (".init_array.65530"), aligned (sizeof (void *))))
- = { init65530 };
-static void
-fini65530 ()
-{
- if (count != 65530)
- abort ();
- count = 1007;
-}
-void (*const fini_array65530) ()
- __attribute__ ((section (".fini_array.65530"), aligned (sizeof (void *))))
- = { fini65530 };
-
-static void
-ctor65535 ()
-{
- if (count != 65530)
- abort ();
- count = 65535;
-}
-void (*const ctors65535) ()
- __attribute__ ((section (".ctors"), aligned (sizeof (void *))))
- = { ctor65535 };
-static void
-dtor65535 ()
-{
- if (count != 65535)
- abort ();
- count = 65530;
-}
-void (*const dtors65535) ()
- __attribute__ ((section (".dtors"), aligned (sizeof (void *))))
- = { dtor65535 };
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <fcntl.h>
int
main ()
{
- if (count != 65535)
- abort ();
+
+struct flock fl;
+fl.l_whence = 0;
+fl.l_start = 0;
+fl.l_len = 0;
+fl.l_pid = 0;
+return fcntl (1, F_SETLKW, &fl);
+ ;
return 0;
}
-#endif
-
_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
- gcc_cv_initfini_array=yes
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_f_setlkw=yes
else
- gcc_cv_initfini_array=no
+ ac_cv_f_setlkw=no
fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
- conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_f_setlkw" >&5
+$as_echo "$ac_cv_f_setlkw" >&6; }
+if test $ac_cv_f_setlkw = yes; then
- else
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking cross compile... guessing" >&5
-$as_echo_n "checking cross compile... guessing... " >&6; }
- gcc_cv_initfini_array=no
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_initfini_array" >&5
-$as_echo "$gcc_cv_initfini_array" >&6; }
- enable_initfini_array=$gcc_cv_initfini_array
+$as_echo "#define HOST_HAS_F_SETLKW 1" >>confdefs.h
fi
-if test $enable_initfini_array = yes; then
-
-$as_echo "#define HAVE_INITFINI_ARRAY 1" >>confdefs.h
-
-fi
+# Restore CFLAGS, CXXFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
+CFLAGS="$saved_CFLAGS"
+CXXFLAGS="$saved_CXXFLAGS"
# mkdir takes a single argument on some systems.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if mkdir takes one argument" >&5
then tmake_file=$cpu_type/t-$cpu_type
fi
+# Support --enable-initfini-array.
+if test x$enable_initfini_array != xno; then
+ tm_file="${tm_file} initfini-array.h"
+fi
+
if test x"$dwarf2" = xyes
then tm_file="$tm_file tm-dwarf2.h"
fi
fi
+gnu_ld_bool=`if test x"$gnu_ld" = x"yes"; then echo 1; else echo 0; fi`
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_GNU_LD $gnu_ld_bool
+_ACEOF
+
+
+gnu_as_bool=`if test x"$gas" = x"yes"; then echo 1; else echo 0; fi`
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_GNU_AS $gnu_as_bool
+_ACEOF
+
+
count=a
for f in $host_xm_file; do
count=${count}x
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 18119 "configure"
+#line 18049 "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 18225 "configure"
+#line 18155 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
else
case "${target}" in
*-*-solaris2*)
+ # See acinclude.m4 (gcc_SUN_LD_VERSION) for the version number
+ # format.
#
- # Solaris 2 ld -V output looks like this for a regular version:
- #
- # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1699
- #
- # but test versions add stuff at the end:
- #
- # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1701:onnv-ab196087-6931056-03/25/10
- #
+ # Don't reuse gcc_gv_sun_ld_vers_* in case a linker other than
+ # /usr/ccs/bin/ld has been configured.
ld_ver=`$gcc_cv_ld -V 2>&1`
if echo "$ld_ver" | grep 'Solaris Link Editors' > /dev/null; then
ld_vers=`echo $ld_ver | sed -n \
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_ro_rw_mix" >&5
$as_echo "$gcc_cv_ld_ro_rw_mix" >&6; }
+if test "x${build}" = "x${target}" && test "x${build}" = "x${host}"; then
+ case "${target}" in
+ *-*-solaris2*)
+ #
+ # Solaris 2 ld -V output looks like this for a regular version:
+ #
+ # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1699
+ #
+ # but test versions add stuff at the end:
+ #
+ # ld: Software Generation Utilities - Solaris Link Editors: 5.11-1.1701:onnv-ab196087-6931056-03/25/10
+ #
+ gcc_cv_sun_ld_ver=`/usr/ccs/bin/ld -V 2>&1`
+ if echo "$gcc_cv_sun_ld_ver" | grep 'Solaris Link Editors' > /dev/null; then
+ gcc_cv_sun_ld_vers=`echo $gcc_cv_sun_ld_ver | sed -n \
+ -e 's,^.*: 5\.[0-9][0-9]*-\([0-9]\.[0-9][0-9]*\).*$,\1,p'`
+ gcc_cv_sun_ld_vers_major=`expr "$gcc_cv_sun_ld_vers" : '\([0-9]*\)'`
+ gcc_cv_sun_ld_vers_minor=`expr "$gcc_cv_sun_ld_vers" : '[0-9]*\.\([0-9]*\)'`
+ fi
+ ;;
+ esac
+fi
+
+# Check whether --enable-initfini-array was given.
+if test "${enable_initfini_array+set}" = set; then :
+ enableval=$enable_initfini_array;
+else
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .preinit_array/.init_array/.fini_array support" >&5
+$as_echo_n "checking for .preinit_array/.init_array/.fini_array support... " >&6; }
+if test "${gcc_cv_initfini_array+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test "x${build}" = "x${target}" && test "x${build}" = "x${host}"; then
+ case "${target}" in
+ ia64-*)
+ if test "$cross_compiling" = yes; then :
+ gcc_cv_initfini_array=no
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#ifndef __ELF__
+#error Not an ELF OS
+#endif
+/* We turn on .preinit_array/.init_array/.fini_array support for ia64
+ if it can be used. */
+static int x = -1;
+int main (void) { return x; }
+int foo (void) { x = 0; }
+int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ gcc_cv_initfini_array=yes
+else
+ gcc_cv_initfini_array=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+;;
+ *)
+ gcc_cv_initfini_array=no
+ if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 \
+ -a "$gcc_cv_gld_minor_version" -ge 22 \
+ -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_initfini_array=yes
+ fi
+ elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
+ cat > conftest.s <<\EOF
+.section .dtors,"a",%progbits
+.balign 4
+.byte 'A', 'A', 'A', 'A'
+.section .ctors,"a",%progbits
+.balign 4
+.byte 'B', 'B', 'B', 'B'
+.section .fini_array.65530,"a",%progbits
+.balign 4
+.byte 'C', 'C', 'C', 'C'
+.section .init_array.65530,"a",%progbits
+.balign 4
+.byte 'D', 'D', 'D', 'D'
+.section .dtors.64528,"a",%progbits
+.balign 4
+.byte 'E', 'E', 'E', 'E'
+.section .ctors.64528,"a",%progbits
+.balign 4
+.byte 'F', 'F', 'F', 'F'
+.section .fini_array.01005,"a",%progbits
+.balign 4
+.byte 'G', 'G', 'G', 'G'
+.section .init_array.01005,"a",%progbits
+.balign 4
+.byte 'H', 'H', 'H', 'H'
+.text
+.globl _start
+_start:
+EOF
+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -o conftest conftest.o > /dev/null 2>&1 \
+ && $gcc_cv_objdump -s -j .init_array conftest \
+ | grep HHHHFFFFDDDDBBBB > /dev/null 2>&1 \
+ && $gcc_cv_objdump -s -j .fini_array conftest \
+ | grep GGGGEEEECCCCAAAA > /dev/null 2>&1; then
+ gcc_cv_initfini_array=yes
+ fi
+ rm -f conftest conftest.*
+ fi
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#ifndef __ELF__
+# error Not an ELF OS
+#endif
+#include <stdlib.h>
+#if defined __GLIBC_PREREQ
+# if __GLIBC_PREREQ (2, 4)
+# else
+# error GLIBC 2.4 required
+# endif
+#else
+# if defined __sun__ && defined __svr4__
+ /* Solaris ld.so.1 supports .init_array/.fini_array since Solaris 8. */
+# else
+# error The C library not known to support .init_array/.fini_array
+# endif
+#endif
+
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+ case "${target}" in
+ *-*-solaris2.8*)
+ # .init_array/.fini_array support was introduced in Solaris 8
+ # patches 109147-08 (sparc) and 109148-08 (x86). Since ld.so.1 and
+ # ld are guaranteed to be updated in lockstep, we can check ld -V
+ # instead. Unfortunately, proper ld version numbers were only
+ # introduced in rev. -14, so we check for that.
+ if test "$gcc_cv_sun_ld_vers_minor" -lt 272; then
+ gcc_cv_initfini_array=no
+ fi
+ ;;
+ *-*-solaris2.9* | *-*-solaris2.1[0-9]*)
+ # .init_array/.fini_array support is present since Solaris 9 FCS.
+ ;;
+ esac
+
+else
+ gcc_cv_initfini_array=no
+fi
+rm -f conftest.err conftest.$ac_ext;;
+ esac
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking cross compile... guessing" >&5
+$as_echo_n "checking cross compile... guessing... " >&6; }
+ gcc_cv_initfini_array=no
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_initfini_array" >&5
+$as_echo "$gcc_cv_initfini_array" >&6; }
+ enable_initfini_array=$gcc_cv_initfini_array
+
+fi
+
+if test $enable_initfini_array = yes; then
+
+$as_echo "#define HAVE_INITFINI_ARRAY_SUPPORT 1" >>confdefs.h
+
+fi
+
# Check if we have .[us]leb128, and support symbol arithmetic with it.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .sleb128 and .uleb128" >&5
$as_echo_n "checking assembler for .sleb128 and .uleb128... " >&6; }
xor %l1, %tle_lox10(foo), %o5
ld [%g7 + %o5], %o1"
;;
+ tilepro*-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ addli r0, zero, tls_gd(foo)
+ auli r0, zero, tls_gd_ha16(foo)
+ addli r0, r0, tls_gd_lo16(foo)
+ jal __tls_get_addr
+ addli r0, zero, tls_ie(foo)
+ auli r0, r0, tls_ie_ha16(foo)
+ addli r0, r0, tls_ie_lo16(foo)'
+ tls_first_major=2
+ tls_first_minor=22
+ tls_as_opt="--fatal-warnings"
+ ;;
+ tilegx*-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ shl16insli r0, zero, hw0_last_tls_gd(foo)
+ shl16insli r0, zero, hw1_last_tls_gd(foo)
+ shl16insli r0, r0, hw0_tls_gd(foo)
+ jal __tls_get_addr
+ shl16insli r0, zero, hw1_last_tls_ie(foo)
+ shl16insli r0, r0, hw0_tls_ie(foo)'
+ tls_first_major=2
+ tls_first_minor=22
+ tls_as_opt="--fatal-warnings"
+ ;;
xtensa*-*-*)
conftest_s='
.section ".tdata","awT",@progbits
if test $set_have_as_tls = no; then
LIBS=
fi
+ # Even without TLS support on Solaris 8, explicitly link with libthread
+ # to guarantee that the alternate thread library is used.
+ case "$target" in
+ *-*-solaris2.8)
+ LIBS=-lthread
+ ;;
+ esac
# Always define LIB_TLS_SPEC, even without TLS support.
cat >>confdefs.h <<_ACEOF
gcc_cv_ld_static_dynamic=yes
else
case "$target" in
+ # AIX ld uses -b flags
+ *-*-aix4.[23]* | *-*-aix[5-9]*)
+ gcc_cv_ld_static_dynamic=yes
+ gcc_cv_ld_static_option="-bstatic"
+ gcc_cv_ld_dynamic_option="-bdynamic"
+ ;;
# Tru64 UNIX support -noso/-so_archive instead of -Bstatic/-Bdynamic.
alpha*-dec-osf*)
gcc_cv_ld_static_dynamic=yes
esac
case $target_os in
- cygwin* | pe | mingw32*)
+ cygwin* | pe | mingw32* | interix*)
# Recent binutils allows the three-operand form of ".comm" on PE. This
# definition is used unconditionally to initialise the default state of
# the target option variable that governs usage of the feature.
else
gcc_cv_as_ix86_tlsldmplt=no
if test x$gcc_cv_as != x; then
- $as_echo 'call tls_ld@tlsldmplt' > conftest.s
+ $as_echo 'tls_ld:
+ call tls_ld@tlsldmplt' > conftest.s
if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
# version to the per-target configury.
case "$cpu_type" in
alpha | arm | avr | bfin | cris | i386 | m32c | m68k | microblaze | mips \
- | pa | rs6000 | score | sparc | spu | xstormy16 | xtensa)
+ | pa | rs6000 | score | sparc | spu | tilegx | tilepro | xstormy16 | xtensa)
insn="nop"
;;
ia64 | s390)
then gcc_cv_as_gnu_unique_object=yes
fi
elif test x$gcc_cv_as != x; then
- $as_echo '.type foo, @gnu_unique_object' > conftest.s
+ $as_echo '.type foo, '$target_type_format_char'gnu_unique_object' > conftest.s
if { ac_try='$gcc_cv_as $gcc_cv_as_flags -o conftest.o conftest.s >&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_gnu_unique_object" >&5
$as_echo "$gcc_cv_as_gnu_unique_object" >&6; }
if test $gcc_cv_as_gnu_unique_object = yes; then
- # Also check for ld.so support, i.e. glibc 2.11 or higher.
+ # We need to unquote above to to use the definition from config.gcc.
+# Also check for ld.so support, i.e. glibc 2.11 or higher.
if test x$host = x$build -a x$host = x$target &&
ldd --version 2>/dev/null &&
glibcver=`ldd --version 2>/dev/null | sed 's/.* //;q'`; then
fi
case "$target:$tm_file" in
- powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*)
+ powerpc64-*-freebsd* | powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*)
+ case "$target" in
+ *-*-linux*)
+ emul_name="-melf64ppc"
+ ;;
+ *-*-freebsd*)
+ emul_name="-melf64ppc_fbsd"
+ ;;
+ esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker support for omitting dot symbols" >&5
$as_echo_n "checking linker support for omitting dot symbols... " >&6; }
if test "${gcc_cv_ld_no_dot_syms+set}" = set; then :
$as_echo_n "(cached) " >&6
else
gcc_cv_ld_no_dot_syms=no
- if test $in_tree_ld = yes ; then
+ if test x"$ld_is_gold" = xyes; then
+ gcc_cv_ld_no_dot_syms=yes
+ elif test $in_tree_ld = yes ; then
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then
gcc_cv_ld_no_dot_syms=yes
fi
EOF
if $gcc_cv_as -a64 -o conftest1.o conftest1.s > /dev/null 2>&1 \
&& $gcc_cv_as -a64 -o conftest2.o conftest2.s > /dev/null 2>&1 \
- && $gcc_cv_ld -melf64ppc -o conftest conftest1.o conftest2.o > /dev/null 2>&1; then
+ && $gcc_cv_ld $emul_name -o conftest conftest1.o conftest2.o > /dev/null 2>&1; then
gcc_cv_ld_no_dot_syms=yes
fi
rm -f conftest conftest1.o conftest2.o conftest1.s conftest2.s
$as_echo_n "(cached) " >&6
else
gcc_cv_ld_large_toc=no
- if test $in_tree_ld = yes ; then
+ if test x"$ld_is_gold" = xyes; then
+ gcc_cv_ld_large_toc=yes
+ elif test $in_tree_ld = yes ; then
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then
gcc_cv_ld_large_toc=yes
fi
ld 9,ie0@got@tprel@l(9)
EOF
if $gcc_cv_as -a64 -o conftest.o conftest.s > /dev/null 2>&1 \
- && $gcc_cv_ld -melf64ppc --no-toc-sort -o conftest conftest.o > /dev/null 2>&1; then
+ && $gcc_cv_ld $emul_name --no-toc-sort -o conftest conftest.o > /dev/null 2>&1; then
gcc_cv_ld_large_toc=yes
fi
rm -f conftest conftest.o conftest.s
$target_header_dir/bits/uClibc_config.h > /dev/null; then
gcc_cv_libc_provides_ssp=yes
fi
+ # all versions of Bionic support stack protector
+ elif test -f $target_header_dir/sys/cdefs.h \
+ && $EGREP '^[ ]*#[ ]*define[ ]+__BIONIC__[ ]+1' \
+ $target_header_dir/sys/cdefs.h > /dev/null; then
+ gcc_cv_libc_provides_ssp=yes
fi
;;
*-*-gnu*)
$as_echo_n "checking dl_iterate_phdr in target C library... " >&6; }
gcc_cv_target_dl_iterate_phdr=unknown
case "$target" in
- *-*-solaris2*)
+ # Restrict to Solaris 11+. While most of the Solaris 11 linker changes
+ # were backported to Solaris 10 Update 10, dl_iterate_phdr only lives in
+ # libdl there, both complicating its use and breaking compatibility
+ # between Solaris 10 updates.
+ *-*-solaris2.1[1-9]*)
# <link.h> needs both a dl_iterate_phdr declaration and support for
# compilation with largefile support.
if grep dl_iterate_phdr $target_header_dir/link.h > /dev/null 2>&1 \
$as_echo_n "checking for exported symbols... " >&6; }
if test "x$export_sym_check" != x; then
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
+ ${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest$ac_exeext > /dev/null 2>&1
+ if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
: # No need to use a flag
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
$as_echo "yes" >&6; }
{ $as_echo "$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
+ ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest$ac_exeext > /dev/null 2>&1
+ if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
plugin_rdynamic=yes
pluginlibs="-rdynamic"
else