* src/appimage/Makefile.am (appimage_pkg_kcompletion_configure,
appimage_pkg_kconfigwidgets_configure,
appimage_pkg_kiconthemes_configure, appimage_pkg_kitemviews_configure,
appimage_pkg_kwidgetsaddons_configure): New.
(appimage_pkg_kxmlgui_configure): Add -DBUILD_DESIGNERPLUGIN=OFF.