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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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csu/libc-start.c
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@ -52,8 +52,7 @@ uintptr_t __stack_chk_guard attribute_relro;
# ifndef THREAD_SET_POINTER_GUARD
/* Only exported for architectures that don't store the pointer guard
value in thread local area. */
uintptr_t __pointer_chk_guard_local
attribute_relro attribute_hidden __attribute__ ((nocommon));
uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
# endif
#endif