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| author | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-09 20:13:41 +0000 |
|---|---|---|
| committer | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-11-09 20:13:41 +0000 |
| commit | f4a30bd79f3157bbcbde8aa853c04871575db926 (patch) | |
| tree | cdc3a1f501856957bef831df0b91b2b381edd2b8 /gcc/configure.ac | |
| parent | 39794ddf0639a3cb6c501db3fa3e088d0094dec8 (diff) | |
| download | gcc-f4a30bd79f3157bbcbde8aa853c04871575db926.tar.gz | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106703 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 0648caaf81f..5cee180e021 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -1947,6 +1947,11 @@ gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak, [ .weak foobar],, [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])]) +gcc_GAS_CHECK_FEATURE([.weakref], gcc_cv_as_weakref, + [2,17,0],, + [ .weakref foobar, barfnot],, +[AC_DEFINE(HAVE_GAS_WEAKREF, 1, [Define if your assembler supports .weakref.])]) + gcc_GAS_CHECK_FEATURE([.nsubspa comdat], gcc_cv_as_nsubspa_comdat, [2,15,91],, [ .SPACE $TEXT$ |