--- SIDPlayer/src/sys.h	2000/07/28 12:42:30	1.1
+++ SIDPlayer/src/sys.h	2000/09/19 15:34:11	1.2
@@ -29,7 +29,14 @@
 
 #include "types.h"
 
-// Dummy SDL definitions
+
+#if defined (SDL)
+
+#include <SDL.h>
+
+#else
+
+// Dummy SDL definitions for SIDPlayer
 typedef struct {
 	int freq;			// DSP frequency -- samples per second
 	uint16 format;		// Audio data format
@@ -45,10 +52,12 @@ typedef struct {
 #define AUDIO_S8 0x8008
 #define AUDIO_S16SYS 0x0010
 
-#define SDL_OpenAudio(desired, obtained)
+#define SDL_OpenAudio(desired, obtained) (0)
 #define SDL_CloseAudio()
 #define SDL_PauseAudio(onoff)
 #define SDL_LockAudio()
 #define SDL_UnlockAudio()
 
 #endif
+
+#endif