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| author | Paolo Bonzini <pbonzini@redhat.com> | 2012-10-29 15:11:30 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2012-10-30 09:18:43 +0100 |
| commit | 67d223be90178f7142b4f566358cea446af8df74 (patch) | |
| tree | f8ac837c1e6ef1629810bc646256efc4dbf4da36 /compiler.h | |
| parent | f3192e8fb28529dd4fd777f916c437f49098ad39 (diff) | |
| download | qemu-67d223be90178f7142b4f566358cea446af8df74.tar.gz | |
compiler: use weak aliases to provide default definitions
This is simpler and more portable.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'compiler.h')
| -rw-r--r-- | compiler.h | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/compiler.h b/compiler.h index c734a71c67..58865d65e8 100644 --- a/compiler.h +++ b/compiler.h @@ -50,16 +50,13 @@ # define __printf__ __gnu_printf__ # endif # endif -#if defined(_WIN32) -#define GCC_WEAK __attribute__((weak)) -#define GCC_WEAK_DECL GCC_WEAK -#else -#define GCC_WEAK __attribute__((weak)) -#define GCC_WEAK_DECL -#endif +# define QEMU_WEAK_ALIAS(newname, oldname) \ + typeof(oldname) newname __attribute__((weak, alias (#oldname))) #else #define GCC_ATTR /**/ #define GCC_FMT_ATTR(n, m) +#define QEMU_WEAK_ALIAS(newname, oldname) \ + _Pragma("weak " #newname "=" #oldname) #endif #endif /* COMPILER_H */ |