PKG_CHECK_MODULES(XML, libxml-2.0, , AC_MSG_ERROR(Could not find libxml2))
AM_PATH_GLIB_2_0(2.14.0, , AC_MSG_ERROR(Could not find GLib))
PKG_CHECK_MODULES(GIO, gio-2.0, , AC_MSG_ERROR(Could not find GIO))
PKG_CHECK_MODULES(XML, libxml-2.0, , AC_MSG_ERROR(Could not find libxml2))
AM_PATH_GLIB_2_0(2.14.0, , AC_MSG_ERROR(Could not find GLib))
PKG_CHECK_MODULES(GIO, gio-2.0, , AC_MSG_ERROR(Could not find GIO))