#undef HAVE_SOL_TCP
#undef HAVE_IP_PKTINFO
#undef HAVE_STRUCT_IP_MREQN
-#undef HAVE_PTHREAD
#undef HAVE_PTHREAD_MUTEX_TIMEDLOCK
#undef USE_MONO_MUTEX
#undef HAVE_LARGE_FILE_SUPPORT
#undef HAVE_TIMEZONE
#undef HAVE_TM_GMTOFF
#undef MONO_SIZEOF_SUNPATH
+#undef NEED_LINK_UNLINK
+#undef PTHREAD_POINTER_ID