Never use SDL audio in Linux.

stepmania/src/Makefile.am

@@ -164,10 +164,6 @@ Sound_Null = \
 	arch/Sound/RageSoundDriver_Null.cpp \
 	arch/Sound/RageSoundDriver_Null.h
 
-Sound_SDL = \
-    arch/Sound/RageSoundDriver_SDL.cpp \
-    arch/Sound/RageSoundDriver_SDL.h
-
 Sound = $(Sound_Null)
 if ALSA
 Sound += $(Sound_ALSA9)
@@ -175,7 +171,6 @@ endif
 if HAVE_OSS
 Sound += $(Sound_OSS)
 endif
-Sound += $(Sound_SDL)
 
 stepmania_SOURCES = $(Rage) $(DataStructures) $(FileTypes) $(StepMania) $(Transitions) \
 		    $(Actors) $(ActorsInMenus) $(ActorsInGameplay) $(Screens) $(GlobalSingletons) \

stepmania/src/arch/arch_linux.h

@@ -5,15 +5,17 @@
 #include "Sound/RageSoundDriver_ALSA9.h"
 /* #endif HAS_ALSA9 */
 #include "Sound/RageSoundDriver_OSS.h"
-#endif
+
 /* 
  * Sometimes Alsa and OSS fail to load, so
  * SDL should be a fallback, even though it
  * doesn't work perfectly.
  */
-#include "SDL.h"
-#include "Sound/RageSoundDriver_SDL.h"
+/* No, it shouldn't.  If they fail to load, we should receive a bug report
+ * and fix our code, not have it silently fall back on a broken driver. -glenn */
+// #include "Sound/RageSoundDriver_SDL.h"
 
+#endif
 /*
  * Copyright (c) 2002 by the person(s) listed below.  All rights reserved.
  *