diff --git a/configure.ac b/configure.ac
index 04277e1..10c4669 100644
--- a/configure.ac
+++ b/configure.ac
@@ -105,10 +105,18 @@ esac
 AC_SUBST(OBJ_FORMAT)
 
 case "$host" in
-	*-*-cygwin|*mingw*|*emx*)
+	*emx*)
 		# define this variable for enabling strict exports with libtool; for now, it's supported by Win32 and OS/2
 		LT_NO_UNDEFINED="-no-undefined"
 		;;
+	*-*-cygwin*)
+                LT_NO_UNDEFINED="-no-undefined"
+		;;
+	*-*-mingw*)
+		LT_NO_UNDEFINED="-no-undefined"
+		# -lws2_32 only needed because of ntohl() usage, can get rid of after that's gone:
+		MINGW_WINSOCK_LIBS=-lws2_32
+		;;
 	*)
 		LT_NO_UNDEFINED=
 		;;