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| author | Jeremy Huddleston <jeremyhu@apple.com> | 2011-04-27 17:25:40 -0700 |
|---|---|---|
| committer | Jeremy Huddleston <jeremyhu@apple.com> | 2011-04-28 18:23:36 -0700 |
| commit | 6648db8f910fb74c100cf24436bf0df12cba7fd7 (patch) | |
| tree | 574e2e260eabd88d3842286bf20e4a687826a1bf | |
| parent | 19c12c60c22d5a23039bc90845a6ecacdd64f2db (diff) | |
Add _X_UNUSED attribute to designate unused variables and silence warnings
Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
| -rw-r--r-- | Xfuncproto.h.in | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Xfuncproto.h.in b/Xfuncproto.h.in index 2b8a226..88d91c0 100644 --- a/Xfuncproto.h.in +++ b/Xfuncproto.h.in @@ -122,6 +122,12 @@ in this Software without prior written authorization from The Open Group. # define _X_ATTRIBUTE_PRINTF(x,y) #endif +#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205) +#define _X_UNUSED __attribute__((__unused__)) +#else +#define _X_UNUSED /* */ +#endif + /* C99 keyword "inline" or equivalent extensions in pre-C99 compilers */ #if defined(inline) /* assume autoconf set it correctly */ || \ (defined(__STDC_VERSION__) && (__STDC_VERSION__ - 0 >= 199901L)) /* C99 */ || \ |