AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
gcc_cv_initfini_array, [dnl
if test "x${build}" = "x${target}" && test "x${build}" = "x${host}"; then
- AC_RUN_IFELSE([AC_LANG_SOURCE([
+ case "${target}" in
+ ia64-*)
+ AC_RUN_IFELSE([AC_LANG_SOURCE([
#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 };
-
-int
-main ()
-{
- if (count != 65535)
- abort ();
- return 0;
-}
-#endif
])],
[gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no],
- [gcc_cv_initfini_array=no])
- else
- AC_MSG_CHECKING(cross compile... guessing)
- gcc_cv_initfini_array=no
- fi])
+ [gcc_cv_initfini_array=no]);;
+ *)
+ 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
+EOF
+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -e 0 -o conftest conftest.o > /dev/null 2>&1 \
+ && $gcc_cv_objdump -s -j .init_array conftest \
+ | grep HHHHFFFFDDDDBBBB > /dev/null 2>&1 \
+ && $gcc_cv_objdump -s -j .fini_array conftest \
+ | grep GGGGEEEECCCCAAAA > /dev/null 2>&1; then
+ gcc_cv_initfini_array=yes
+ fi
+changequote(,)dnl
+ rm -f conftest conftest.*
+changequote([,])dnl
+ fi
+ AC_PREPROC_IFELSE([AC_LANG_SOURCE([
+#ifndef __ELF__
+#error Not an ELF OS
+#endif
+#include <stdlib.h>
+#if defined __GLIBC_PREREQ && __GLIBC_PREREQ (2, 4)
+#else
+#error The C library not known to support .init_array/.fini_array
+#endif
+])],, [gcc_cv_initfini_array=no]);;
+ esac
+ else
+ AC_MSG_CHECKING(cross compile... guessing)
+ gcc_cv_initfini_array=no
+ fi])
enable_initfini_array=$gcc_cv_initfini_array
])
if test $enable_initfini_array = yes; then
with_multilib_list
enable_rpath
with_libiconv_prefix
-enable_initfini_array
enable_sjlj_exceptions
enable_secureplt
enable_leading_mingw64_underscores
enable_libtool_lock
with_plugin_ld
enable_gnu_indirect_function
+enable_initfini_array
enable_comdat
enable_gnu_unique_object
enable_linker_build_id
--disable-shared don't provide a shared libgcc
--enable-languages=LIST specify which front-ends to build
--disable-rpath do not hardcode runtime library paths
- --enable-initfini-array use .init_array/.fini_array sections
--enable-sjlj-exceptions
arrange to use setjmp/longjmp exception handling
--enable-secureplt enable -msecure-plt by default for PowerPC
--enable-gnu-indirect-function
enable the use of the @gnu_indirect_function to
glibc systems
+ --enable-initfini-array use .init_array/.fini_array sections
--enable-comdat enable COMDAT group support
--enable-gnu-unique-object
enable the use of the @gnu_unique_object ELF
CFLAGS="$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 :
- $as_echo_n "(cached) " >&6
-else
- if test "x${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 };
-
-int
-main ()
-{
- if (count != 65535)
- abort ();
- return 0;
-}
-#endif
-
-_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
-
- 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 1" >>confdefs.h
-
-fi
-
# mkdir takes a single argument on some systems.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if mkdir takes one argument" >&5
$as_echo_n "checking if mkdir takes one argument... " >&6; }
then tmake_file=$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="$tm_file tm-dwarf2.h"
fi
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 18119 "configure"
+#line 17973 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 18225 "configure"
+#line 18079 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_ro_rw_mix" >&5
$as_echo "$gcc_cv_ld_ro_rw_mix" >&6; }
+# 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
+EOF
+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -e 0 -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 && __GLIBC_PREREQ (2, 4)
+#else
+#error The C library not known to support .init_array/.fini_array
+#endif
+
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+
+else
+ gcc_cv_initfini_array=no
+fi
+rm -f conftest.err conftest.$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 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; }
projects / platform / upstream / gcc.git / commitdiff