Index: uspace/lib/c/include/mem.h
===================================================================
--- uspace/lib/c/include/mem.h	(revision acdb5bacffa0840fa18ced3443b7bcb244837b8d)
+++ uspace/lib/c/include/mem.h	(revision 28384868fe6a9bbe937ea13e4dd739b2076b2539)
@@ -37,9 +37,10 @@
 
 #include <sys/types.h>
+#include <cc.h>
 
 extern void *memset(void *, int, size_t)
-    __attribute__ ((optimize("-fno-tree-loop-distribute-patterns")));
+    ATTRIBUTE_OPTIMIZE("-fno-tree-loop-distribute-patterns");
 extern void *memcpy(void *, const void *, size_t)
-    __attribute__ ((optimize("-fno-tree-loop-distribute-patterns")));
+    ATTRIBUTE_OPTIMIZE("-fno-tree-loop-distribute-patterns");
 extern void *memmove(void *, const void *, size_t);
 extern int memcmp(const void *, const void *, size_t);