diff options
| author | tjr <tjr@FreeBSD.org> | 2004-07-22 09:20:51 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2004-07-22 09:20:51 +0000 |
| commit | c953c4fb4b3a082a75c8f126d70fab34c62b55fe (patch) | |
| tree | 83319fd67219bf2cb5c1f719a0eb87601853d697 /sys | |
| parent | 828910ece4ecf45b2414eeab94d4e1ecbf5bb652 (diff) | |
| download | FreeBSD-src-c953c4fb4b3a082a75c8f126d70fab34c62b55fe.zip FreeBSD-src-c953c4fb4b3a082a75c8f126d70fab34c62b55fe.tar.gz | |
Add a macro, __pure, which expands to __attribute__((__pure__)) on gcc
versions that support it (>=2.96). This is similar to but not the same
as the __pure macro that was removed in rev. 1.21.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/sys/cdefs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h index 2cc5a55..8ce116d 100644 --- a/sys/sys/cdefs.h +++ b/sys/sys/cdefs.h @@ -157,6 +157,12 @@ #endif #endif +#if __GNUC_PREREQ__(2, 96) +#define __pure __attribute__((__pure__)) +#else +#define __pure +#endif + #if __GNUC_PREREQ__(3, 1) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800) #define __always_inline __attribute__((__always_inline__)) #else |
