diff options
| author | Roland McGrath <roland@gnu.org> | 2006-02-22 02:09:08 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2006-02-22 02:09:08 +0000 |
| commit | 7d9324612451215ac6402b2d9e73d29b33a0820b (patch) | |
| tree | 84a2a1a964b7e0f5e06881257f70ad740f361aec /configure.in | |
| parent | 7aaa17343dc759012322ac3e23b1aaad9afa81f7 (diff) | |
* configure.in (libc_cv_gcc_dwarf2_unwind_info): Delete.
(HAVE_DWARF2_UNWIND_INFO{,_STATIC}): Remove AC_DEFINEs.
* configure: Regenerate.
* config.h.in (HAVE_DWARF2_UNWIND_INFO{,_STATIC}): Remove undefs.
* elf/soinit.c: Don't include gccframe.h.
(__EH_FRAME_BEGIN__): Define unconditionally.
(__register_frame_info, __deregister_frame_info)
(__register_frame_info_bases, __deregister_frame_info_bases)
(__register_frame, __deregister_frame): Remove declarations.
(__libc_global_ctors, __libc_fini): Don't call registry functions.
* elf/sofini.c (__EH_FRAME_END__): Define unconditionally.
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/configure.in b/configure.in index 78715156dd..889fb55208 100644 --- a/configure.in +++ b/configure.in @@ -1726,71 +1726,6 @@ if test "$libc_cv_c_asmcr0_bug" != 'no'; then fi fi -AC_CACHE_CHECK(for DWARF2 unwind info support, libc_cv_gcc_dwarf2_unwind_info, -[cat > conftest.c <<EOF -#line $LINENO "configure" -static char *__EH_FRAME_BEGIN__; -_start () -{ -#ifdef CHECK__register_frame - __register_frame (__EH_FRAME_BEGIN__); - __deregister_frame (__EH_FRAME_BEGIN__); -#endif -#ifdef CHECK__register_frame_info - __register_frame_info (__EH_FRAME_BEGIN__); - __deregister_frame_info (__EH_FRAME_BEGIN__); -#endif -} -int __eh_pc; -__throw () {} -/* FIXME: this is fragile. */ -malloc () {} -strcmp () {} -strlen () {} -memcpy () {} -memset () {} -free () {} -abort () {} -__bzero () {} -dl_iterate_phdr () {} -EOF -libc_unwind_check="${CC-cc} $CFLAGS $CPPFLAGS -DCHECK__register_frame_info \ - $LDFLAGS \ - -nostdlib -nostartfiles -o conftest conftest.c \ - -lgcc" -# Some platforms' specs put -lgcc first. The second one doesn't hurt. -if AC_TRY_COMMAND([$libc_unwind_check >&AS_MESSAGE_LOG_FD]) || - AC_TRY_COMMAND([$libc_unwind_check -lgcc_eh -lgcc >&AS_MESSAGE_LOG_FD]) -then - if $libc_unwind_check -v 2>&1 >/dev/null \ - | grep -- --eh-frame-hdr 2>&1 >/dev/null; then - libc_cv_gcc_dwarf2_unwind_info=no_registry_needed - else - libc_cv_gcc_dwarf2_unwind_info=static - fi -else - libc_cv_gcc_dwarf2_unwind_info=no -fi -if test $libc_cv_gcc_dwarf2_unwind_info = no; then - if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -DCHECK__register_frame - $LDFLAGS -nostdlib -nostartfiles - -o conftest conftest.c -lgcc >&AS_MESSAGE_LOG_FD]); then - libc_cv_gcc_dwarf2_unwind_info=yes - else - libc_cv_gcc_dwarf2_unwind_info=no - fi -fi -rm -f conftest*]) -case $libc_cv_gcc_dwarf2_unwind_info in -yes) - AC_DEFINE(HAVE_DWARF2_UNWIND_INFO) - ;; -static) - AC_DEFINE(HAVE_DWARF2_UNWIND_INFO) - AC_DEFINE(HAVE_DWARF2_UNWIND_INFO_STATIC) - ;; -esac - dnl Check whether compiler understands __builtin_expect. AC_CACHE_CHECK(for __builtin_expect, libc_cv_gcc_builtin_expect, [cat > conftest.c <<EOF |