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| author | Alexandre Oliva <aoliva@redhat.com> | 2005-11-09 20:13:41 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2005-11-09 20:13:41 +0000 |
| commit | a0203ca711308b96d33acb895d4f7d254594287c (patch) | |
| tree | cdc3a1f501856957bef831df0b91b2b381edd2b8 /gcc/config.in | |
| parent | 317adebb1faac58d50f0e44906aa18edaf663759 (diff) | |
| download | gcc-a0203ca711308b96d33acb895d4f7d254594287c.zip gcc-a0203ca711308b96d33acb895d4f7d254594287c.tar.gz gcc-a0203ca711308b96d33acb895d4f7d254594287c.tar.bz2 | |
re PR other/4372 (#pragma weak pthread* inclusion causes applications to crash without a linker error when one forgets to link with -lpthread)
PR other/4372
* tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
(TREE_DEPRECATED): Adjust comment. Check for a DECL.
* c-common.c (handle_weakref_attribute): New.
(c_common_attribute_table): Add weakref.
* configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
in the assembler.
* configure, config.in: Rebuilt.
* defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
* doc/extend.texi: Document weakref attribute.
* varasm.c (ultimate_transparent_alias_target): New
(assemble_name): Use it.
(weak_finish_1): Split out of...
(weak_finish): ... and deal with weakrefs in...
(weakref_targets): ... new list.
(globalize_decl): Clean up weakref_targets.
(do_assemble_alias): Handle weakrefs.
(finish_aliases_1): Do not reject weakrefs to external symbols.
(assemble_alias): Handle weakrefs.
From-SVN: r106703
Diffstat (limited to 'gcc/config.in')
| -rw-r--r-- | gcc/config.in | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/config.in b/gcc/config.in index fa39a35..3577c8c 100644 --- a/gcc/config.in +++ b/gcc/config.in @@ -744,6 +744,12 @@ #endif +/* Define if your assembler supports .weakref. */ +#ifndef USED_FOR_TARGET +#undef HAVE_GAS_WEAKREF +#endif + + /* Define to 1 if you have the `getchar_unlocked' function. */ #ifndef USED_FOR_TARGET #undef HAVE_GETCHAR_UNLOCKED |