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system.h (USE_COMMON_FOR_ONE_ONLY): Poison. 

* system.h (USE_COMMON_FOR_ONE_ONLY): Poison.
	* defaults.h (USE_COMMON_FOR_ONE_ONLY): Do not provide default.
	* config/darwin.h (USE_COMMON_FOR_ONE_ONLY): Do not define.

From-SVN: r188999
This commit is contained in:
Steven Bosscher 2012-06-26 21:47:18 +00:00
parent de2c775d66
commit 4e2edffd23
4 changed files with 8 additions and 14 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-06-26 Steven Bosscher <steven@gcc.gnu.org>
* system.h (USE_COMMON_FOR_ONE_ONLY): Poison.
* defaults.h (USE_COMMON_FOR_ONE_ONLY): Do not provide default.
* config/darwin.h (USE_COMMON_FOR_ONE_ONLY): Do not define.
2012-06-26 Alexandre Oliva <aoliva@redhat.com>
* var-tracking.c (vt_add_function_parameter): Use a preserved

7
gcc/config/darwin.h
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@ -464,13 +464,6 @@ extern GTY(()) int darwin_ms_struct;
links to, so there's no need for weak-ness for that. */
#define GTHREAD_USE_WEAK 0
/* The Darwin linker imposes two limitations on common symbols: they
can't have hidden visibility, and they can't appear in dylibs. As
a consequence, we should never use common symbols to represent
vague linkage. */
#undef USE_COMMON_FOR_ONE_ONLY
#define USE_COMMON_FOR_ONE_ONLY 0
/* The Darwin linker doesn't want coalesced symbols to appear in
a static archive's table of contents. */
#undef TARGET_WEAK_NOT_IN_ARCHIVE_TOC

6
gcc/defaults.h
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@ -332,12 +332,6 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
# endif
#endif
/* Determines whether we may use common symbols to represent one-only
semantics (a.k.a. "vague linkage"). */
#ifndef USE_COMMON_FOR_ONE_ONLY
# define USE_COMMON_FOR_ONE_ONLY 1
#endif
/* By default we can assume that all global symbols are in one namespace,
across all shared libraries. */
#ifndef MULTIPLE_SYMBOL_SPACES

3
gcc/system.h
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@ -894,7 +894,8 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
REAL_VALUE_TRUNCATE REVERSE_CONDEXEC_PREDICATES_P \
TARGET_ALIGN_ANON_BITFIELDS TARGET_NARROW_VOLATILE_BITFIELDS \
IDENT_ASM_OP UNALIGNED_SHORT_ASM_OP UNALIGNED_INT_ASM_OP \
UNALIGNED_LONG_ASM_OP UNALIGNED_DOUBLE_INT_ASM_OP
UNALIGNED_LONG_ASM_OP UNALIGNED_DOUBLE_INT_ASM_OP \
USE_COMMON_FOR_ONE_ONLY
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \