# define FASTCALL
# endif
-# if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && !defined(__CYGWIN__) && !defined(__MINGW32__)
+# if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(__ELF__)
# define INTERNAL __attribute__((visibility("internal")))
# else
# define INTERNAL