--- a/include/SDL_config_os2.h	Tue Mar 14 08:35:39 2006 +0000
+++ b/include/SDL_config_os2.h	Tue Mar 14 08:53:33 2006 +0000
@@ -108,6 +108,8 @@
 
 /* Enable various audio drivers */
 #define SDL_AUDIO_DRIVER_DART	1
+#define SDL_AUDIO_DRIVER_DISK	1
+#define SDL_AUDIO_DRIVER_DUMMY	1
 
 /* Enable various cdrom drivers */
 #define SDL_CDROM_OS2	1