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Use __attribute__((unused)) only with gcc 4 and later 

See discussion at:
https://bugzilla.gnome.org/show_bug.cgi?id=610183
This commit is contained in:
Behdad Esfahbod 2010-02-17 15:14:57 -05:00
parent 555d11273e
commit bc7830e425
1 changed files with 5 additions and 2 deletions
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7
src/hb-private.h
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@ -184,14 +184,17 @@ typedef int hb_mutex_t;
#endif
#if __GNUC__ >= 3
#define HB_GNUC_UNUSED __attribute__((unused))
#define HB_GNUC_PURE __attribute__((pure))
#define HB_GNUC_CONST __attribute__((const))
#else
#define HB_GNUC_UNUSED
#define HB_GNUC_PURE
#define HB_GNUC_CONST
#endif
#if __GNUC__ >= 4
#define HB_GNUC_UNUSED __attribute__((unused))
#else
#define HB_GNUC_UNUSED
#endif
#if (defined(__WIN32__) && !defined(__WINE__)) || defined(_MSC_VER)