--- configure.in-	Tue Jan 11 10:30:49 2000
+++ configure.in	Tue Jan 11 14:38:08 2000
@@ -549,10 +549,12 @@
 #ifdef __KAME__
 yes
 #endif
-], [  	    LIBS="$LIBS -L/usr/local/v6/lib -linet6"
+], [	AC_FILE_EXIST(/usr/local/v6/lib/libinet6.a, [
+            LIBS="$LIBS -L/usr/local/v6/lib -linet6"]);
+        AC_FILE_EXIST(/usr/include/netinet6/ip6_mroute.h, [
+            AC_DEFINE(HAVE_MROUTING6)]);
             AC_DEFINE(WIDE_IPV6)
             AC_DEFINE(RFC2292)
-  	    AC_DEFINE(HAVE_MROUTING6)
             AC_MSG_RESULT(yes... KAME IPv6)], 
         AC_MSG_RESULT(*unknown*))))
     ;;