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Force building with -fno-common

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As a result, is not necessary to specify __attribute__ ((nocommon))
on individual definitions.

GCC 10 defaults to -fno-common on all architectures except ARC,
but this change is compatible with older GCC versions and ARC, too.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Florian Weimer
2021-07-09 20:09:14 +02:00
parent dc76a059fd
commit 7c241325d6
21 changed files with 43 additions and 54 deletions
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2
malloc/malloc.c
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@ -2026,7 +2026,7 @@ static void *memalign_hook_ini (size_t alignment, size_t sz,
const void *caller) __THROW;
#if HAVE_MALLOC_INIT_HOOK
void (*__malloc_initialize_hook) (void) __attribute__ ((nocommon));
void (*__malloc_initialize_hook) (void);
compat_symbol (libc, __malloc_initialize_hook,
__malloc_initialize_hook, GLIBC_2_0);
#endif

2
malloc/mtrace.c
View File

@ -59,7 +59,7 @@ __libc_lock_define_initialized (static, lock);
case some applications ended up linking against them but they don't actually
do anything anymore; not that they did much before anyway. */
void *mallwatch __attribute__ ((nocommon));
void *mallwatch;
compat_symbol (libc, mallwatch, mallwatch, GLIBC_2_0);
void