diff --git a/stepmania/src/global.h b/stepmania/src/global.h
index 118def675b..6177dfc730 100644
--- a/stepmania/src/global.h
+++ b/stepmania/src/global.h
@@ -128,8 +128,10 @@ void ShowWarning( const char *file, int line, const char *message ); // don't pu
 #if !defined(ALIGN)
 #if defined(__GNUC__)
 #define ALIGN(n) __attribute__((aligned(n)))
+#define CONST_FUNCTION __attribute__((const))
 #else
 #define ALIGN(n)
+#define CONST_FUNCTION
 #endif
 #endif