+dnl --- libvala
+PKG_CHECK_MODULES(LIBVALA_0_28_X, libvala-0.28 > 0.26.0, have_libvala_0_28_x="yes", have_libvala_0_28_x="no")
+AM_CONDITIONAL(HAVE_LIBVALA_0_28_X, test "$have_libvala_0_28_x" = "yes")
+
+PKG_CHECK_MODULES(LIBVALA_0_26_X, libvala-0.26 > 0.25.2, have_libvala_0_26_x="yes", have_libvala_0_26_x="no")
+AM_CONDITIONAL(HAVE_LIBVALA_0_26_X, test "$have_libvala_0_26_x" = "yes")
+
+PKG_CHECK_MODULES(LIBVALA_0_24_X, libvala-0.24 > 0.23.1, have_libvala_0_24_x="yes", have_libvala_0_24_x="no")
+AM_CONDITIONAL(HAVE_LIBVALA_0_24_X, test "$have_libvala_0_24_x" = "yes")
+
+PKG_CHECK_MODULES(LIBVALA_0_22_X, libvala-0.22 >= 0.17.4, have_libvala_0_22_x="yes", have_libvala_0_22_x="no")
+AM_CONDITIONAL(HAVE_LIBVALA_0_22_X, test "$have_libvala_0_22_x" = "yes")
+
+
+dnl --- vte -- fixme..
+dnl PKG_CHECK_MODULES(VTE_290, vte-2.90, have_vte_290_x="yes", have_vte_290_x="no")
+dnl AM_CONDITIONAL(HAVE_VTE_290, test "$have_vte_290_x" = "yes")