SDL 2.0.0 defined __inline__ and some code relies on it now.
diff --git a/include/begin_code.h b/include/begin_code.h
index 7addded..968a540 100644
--- a/include/begin_code.h
+++ b/include/begin_code.h
@@ -107,8 +107,14 @@
defined(__WATCOMC__) || defined(__LCC__) || \
defined(__DECC)
#define SDL_INLINE __inline
+#ifndef __inline__
+#define __inline__ __inline
+#endif
#else
#define SDL_INLINE inline
+#ifndef __inline__
+#define __inline__ inline
+#endif
#endif
#endif /* SDL_INLINE not defined */