@@ -1,10 +1,13 @@
 #undef OF_APPLE_RUNTIME
 #undef OF_BIG_ENDIAN
 #undef OF_FLOAT_BIG_ENDIAN
 #undef OF_HAVE_ASPRINTF
 #undef OF_HAVE_ATOMIC_OPS
+#undef OF_HAVE_BUILTIN_BSWAP16
+#undef OF_HAVE_BUILTIN_BSWAP32
+#undef OF_HAVE_BUILTIN_BSWAP64
 #undef OF_HAVE_CHMOD
 #undef OF_HAVE_CHOWN
 #undef OF_HAVE_COMPILER_TLS
 #undef OF_HAVE_FILES
 #undef OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR