+#undef HAVE_PTHREAD_MUTEX_TIMEDLOCK
+#undef USE_MONO_MUTEX
+#undef HAVE_LARGE_FILE_SUPPORT
+#undef PLATFORM_WIN32
+#undef HAVE_NEW_ICONV
+#undef NAME_DEV_RANDOM
+#undef HAVE_CRYPT_RNG
+#undef HAVE_BOEHM_GC
+#undef DISABLE_SHARED_HANDLES
+#undef HAVE_TIMEZONE
+#undef HAVE_TM_GMTOFF