--- configure.in.orig	2009-11-12 01:32:56.000000000 +0000
+++ configure.in	2009-11-12 01:57:19.000000000 +0000
@@ -141,7 +141,8 @@
    # the zephyr library needs -lresolv if it's built with krb5
    AC_CHECK_LIB(resolv, res_send, LIBZEPHYR_LIBS="-lresolv $LIBZEPHYR_LIBS",
    		AC_CHECK_LIB(resolv, __res_send, LIBZEPHYR_LIBS="-lresolv $LIBZEPHYR_LIBS",
-			     AC_MSG_ERROR(Zephyr requires libresolv along with Kerberos V.)))
+				AC_CHECK_LIB(c, res_send, :,
+					     AC_MSG_ERROR(Zephyr requires libresolv along with Kerberos V.))))
    case "$target_os" in 
       darwin*) KRB5_LIBS="$KRB5_LIBS -framework Kerberos" ;;
    esac