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author | John David Anglin <dave.anglin@nrc-cnrc.gc.ca> | 2010-10-11 16:52:12 +0000 |
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committer | John David Anglin <danglin@gcc.gnu.org> | 2010-10-11 16:52:12 +0000 |
commit | 74b90fe2a00d558380d9ae40a309a7b97dc3bdb5 (patch) | |
tree | 591e6322718efbd38a18ee5189259cb088b8b372 /gcc/defaults.h | |
parent | 2861cfa1eb2f58ba3b9d987e552b0d34ed9fa9c6 (diff) | |
download | gcc-74b90fe2a00d558380d9ae40a309a7b97dc3bdb5.zip gcc-74b90fe2a00d558380d9ae40a309a7b97dc3bdb5.tar.gz gcc-74b90fe2a00d558380d9ae40a309a7b97dc3bdb5.tar.bz2 |
re PR middle-end/45862 (SUPPORTS_WEAK is documented as a C expression, used as a compile time constant)
PR middle-end/45862
* doc/tm.texi.in (SUPPORTS_WEAK): Update.
(TARGET_SUPPORTS_WEAK): New.
* doc/tm.texi: Regenerate.
* defaults.h (SUPPORTS_WEAK): Update comment.
(TARGET_SUPPORTS_WEAK): New.
* dwarf2asm.c (USE_LINKONCE_INDIRECT): Update define.
* varasm.c (assemble_external): Use TARGET_SUPPORTS_WEAK instead of
SUPPORTS_WEAK.
(merge_weak, declare_weak, do_assemble_alias, supports_one_only,
make_decl_one_only): Likewise.
* config/pa/som.h (SUPPORTS_WEAK): Rename defines to
TARGET_SUPPORTS_WEAK.
(SUPPORTS_ONE_ONLY, MAKE_DECL_ONE_ONLY): Use TARGET_SUPPORTS_WEAK
instead of SUPPORTS_WEAK.
From-SVN: r165319
Diffstat (limited to 'gcc/defaults.h')
-rw-r--r-- | gcc/defaults.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index 6ecebb6..8858572 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -286,7 +286,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #endif #endif -/* This determines whether or not we support weak symbols. */ +/* This determines whether or not we support weak symbols. SUPPORTS_WEAK + must be a preprocessor constant. */ #ifndef SUPPORTS_WEAK #if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL) #define SUPPORTS_WEAK 1 @@ -295,6 +296,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #endif #endif +/* This determines whether or not we support weak symbols during target + code generation. TARGET_SUPPORTS_WEAK can be any valid C expression. */ +#ifndef TARGET_SUPPORTS_WEAK +#define TARGET_SUPPORTS_WEAK (SUPPORTS_WEAK) +#endif + /* This determines whether or not we support the discriminator attribute in the .loc directive. */ #ifndef SUPPORTS_DISCRIMINATOR |