diff options
Diffstat (limited to 'gcc/system.h')
| -rw-r--r-- | gcc/system.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/system.h b/gcc/system.h index b0f3f1d..6f6ab61 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -789,6 +789,12 @@ extern void fancy_abort (const char *, int, const char *) #define ALWAYS_INLINE inline #endif +#if GCC_VERSION >= 3004 +#define WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__)) +#else +#define WARN_UNUSED_RESULT +#endif + /* Use gcc_unreachable() to mark unreachable locations (like an unreachable default case of a switch. Do not use gcc_assert(0). */ #if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING |