--- a/config.lib	Thu Mar 22 01:47:14 2007 +0000
+++ b/config.lib	Thu Mar 22 02:32:43 2007 +0000
@@ -704,7 +704,7 @@
 
 	if [ "$os" = "CYGWIN" ] || [ "$os" = "MINGW" ]; then
 		LDFLAGS="$LDFLAGS -Wl,--subsystem,windows"
-		LIBS="$LIBS -lws2_32 -lwinmm -lgdi32 -ldxguid -lole32"
+		LIBS="$LIBS -lws2_32 -lwinmm -lgdi32 -ldxguid -lole32 -lpthreadGC2"
 		# GCC 4.0+ complains about that we break strict-aliasing.
 		#  On most places we don't see how to fix it, and it doesn't
 		#  break anything. So disable strict-aliasing to make the