Added
#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS NULL
#endif
so that the X code would compile. It looked like it was needed
--- a/src/video/x11/SDL_x11dyn.c Tue Jan 13 07:20:55 2009 +0000
+++ b/src/video/x11/SDL_x11dyn.c Tue Jan 13 19:31:06 2009 +0000
@@ -55,6 +55,9 @@
#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT NULL
#endif
+#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS
+#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS NULL
+#endif
static x11dynlib x11libs[] = {
{NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC},