AC_PATH_PROG(KRB5_CONFIG, krb5-config, failed)
if test x$KRB5_CONFIG = xfailed; then
AC_MSG_ERROR([Could not find GSSAPI development libraries])
AC_PATH_PROG(KRB5_CONFIG, krb5-config, failed)
if test x$KRB5_CONFIG = xfailed; then
AC_MSG_ERROR([Could not find GSSAPI development libraries])