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Define <sys/cdefs.h> attributes conditional to the supported gcc version

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This commit is contained in:
Guillem Jover 2011-05-25 21:25:54 +02:00
parent 71e5db4cde
commit de2062873f
1 changed files with 8 additions and 2 deletions
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10
include/bsd/sys/cdefs.h
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@ -43,6 +43,12 @@
#define _SYS_CDEFS_H
#endif
#ifdef __GNUC__
#define LIBBSD_GCC_VERSION (__GNUC__ << 8 | __GNUC_MINOR__)
#else
#define LIBBSD_GCC_VERSION 0
#endif
#ifndef __dead2
# define __dead2
#endif
@ -56,7 +62,7 @@
* Disable for now. */
#if 0
#ifndef __unused
# ifdef __GNUC__
# if LIBBSD_GCC_VERSION >= 0x0300
# define __unused __attribute__((unused))
# else
# define __unused
@ -65,7 +71,7 @@
#endif
#ifndef __printflike
# ifdef __GNUC__
# if LIBBSD_GCC_VERSION >= 0x0300
# define __printflike(x, y) __attribute((format(printf, (x), (y))))
# else
# define __printflike(x, y)