AC_CHECK_HEADERS(setjmp.h)
+
+###############################
+# start SMB_EXT_LIB_GNUTLS
+# check for gnutls/gnutls.h and -lgnutls
+AC_CHECK_HEADERS(gnutls/gnutls.h)
+AC_CHECK_LIB_EXT(gnutls, GNUTLS_LIBS, gnutls_global_init)
+if test x"$ac_cv_header_gnutls_gnutls_h" = x"yes" -a x"$ac_cv_lib_ext_gnutls_gnutls_global_init" = x"yes";then
+ SMB_EXT_LIB_ENABLE(GNUTLS,YES)
+fi
+SMB_EXT_LIB(GNUTLS, $GNUTLS_LIBS)
+# end SMB_EXT_LIB_GNUTLS
+###############################