[AC_DEFINE(HAVE_GNUTLS, 1, [Define if gnutls is available]) have_gnutls=yes], have_gnutls=no)
if test "x$have_gnutls" = xno -a "x$enable_gnutls" = xyes; then
AC_MSG_ERROR([*** gnutls support requested but libraries not found])
[AC_DEFINE(HAVE_GNUTLS, 1, [Define if gnutls is available]) have_gnutls=yes], have_gnutls=no)
if test "x$have_gnutls" = xno -a "x$enable_gnutls" = xyes; then
AC_MSG_ERROR([*** gnutls support requested but libraries not found])