AC_CHECK_LIB(krb4, krb_rd_req,
[KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
[AC_CHECK_LIB(krb, krb_rd_req,
AC_CHECK_LIB(krb4, krb_rd_req,
[KRB4_LIBS="$KRB4_LIBS -lkrb4 -ldes425 -lkrb5 -lcrypto -lcom_err"],
[AC_CHECK_LIB(krb, krb_rd_req,