libmaple_types.h: add ifndef guards for some macros

Signed-off-by: Marti Bolivar <[email protected]>
hongwjung · Oct 30, 2014 · 32b6da1 · 32b6da1
1 parent 29c49dd
commit 32b6da1
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/libmaple/include/libmaple/libmaple_types.h b/libmaple/include/libmaple/libmaple_types.h
@@ -55,8 +55,12 @@ typedef void (*voidArgumentFuncPtr)(void *);
 #define __packed __attribute__((__packed__))
 #define __deprecated __attribute__((__deprecated__))
 #define __weak __attribute__((weak))
+#ifndef __always_inline
 #define __always_inline inline __attribute__((always_inline))
+#endif
+#ifndef __unused
 #define __unused __attribute__((unused))
+#endif
 
 #ifndef NULL
 #define NULL 0