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Use attribute availability.

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Bug: http://b/21952040
Change-Id: I3998d88bc6076d60ae5cf7efd112817f80f17971
This commit is contained in:
Dan Albert
2015-08-06 14:32:25 -07:00
parent ba9c170534
commit a6435a186d
4 changed files with 27 additions and 21 deletions
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14
libc/include/sys/cdefs.h
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@@ -572,11 +572,17 @@
/* Used to rename functions so that the compiler emits a call to 'x' rather than the function this was applied to. */
#define __RENAME(x) __asm__(#x)
#if __ANDROID_API__ >= 21
#define _BIONIC_NOT_BEFORE_21(x) x
#ifdef __clang__
#define __AVAILABILITY(...) __attribute__((availability(android,__VA_ARGS__)))
#define __INTRODUCED_IN(api_level) __AVAILABILITY(introduced=api_level)
#define __DEPRECATED_IN(api_level) __AVAILABILITY(deprecated=api_level)
#define __REMOVED_IN(api_level) __AVAILABILITY(obsoleted=api_level)
#else
#define _BIONIC_NOT_BEFORE_21(x)
#endif /* __ANDROID_API__ >= 21 */
#define __AVAILABILITY(...)
#define __INTRODUCED_IN(api_level)
#define __DEPRECATED_IN(api_level)
#define __REMOVED_IN(api_level)
#endif // __clang__
#if __has_builtin(__builtin_umul_overflow) || __GNUC__ >= 5
#if __LP64__