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* Source/NSObject.m (__builtin_offsetof): Add workaround for build in missing

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in old versions of gcc.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@33774 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Fred Kiefer 2011-08-22 11:02:10 +00:00
parent 80c8a7ff06
commit 8da720fc7a
2 changed files with 8 additions and 0 deletions
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3
Source/NSObject.m
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@ -401,6 +401,9 @@ static inline NSLock *GSAllocationLockForObject(id p)
#ifdef ALIGN
#undef ALIGN
#endif
#if defined(__GNUC__) && __GNUC__ < 4
#define __builtin_offsetof(s, f) (uintptr_t)(&(((s*)0)->f))
#endif
#define alignof(type) __builtin_offsetof(struct { const char c; type member; }, member)
#define ALIGN alignof(double)