diff -r b8e995dab018 -r 3b33b82cdbac src/audio/arts/SDL_artsaudio.c
--- a/src/audio/arts/SDL_artsaudio.c	Mon Oct 31 23:37:57 2011 -0400
+++ b/src/audio/arts/SDL_artsaudio.c	Thu Nov 03 11:51:47 2011 -0400
@@ -36,14 +36,14 @@
 #include "../SDL_audio_c.h"
 #include "SDL_artsaudio.h"
 
-#if SDL_AUDIO_DRIVER_ARTS_DYNAMIC
+#ifdef SDL_AUDIO_DRIVER_ARTS_DYNAMIC
 #include "SDL_name.h"
 #include "SDL_loadso.h"
 #else
 #define SDL_NAME(X)	X
 #endif
 
-#if SDL_AUDIO_DRIVER_ARTS_DYNAMIC
+#ifdef SDL_AUDIO_DRIVER_ARTS_DYNAMIC
 
 static const char *arts_library = SDL_AUDIO_DRIVER_ARTS_DYNAMIC;
 static void *arts_handle = NULL;