iconsdir = $(datadir)/icons/hicolor

nobase_dist_icons_DATA = \
    16x16/apps/roobuilder.png \
    22x22/apps/roobuilder.png \
    24x24/apps/roobuilder.png \
    32x32/apps/roobuilder.png \
    48x48/apps/roobuilder.png

gtk_update_icon_cache = gtk-update-icon-cache -f -t $(iconsdir)

install-data-hook: update-icon-cache
uninstall-hook: update-icon-cache
update-icon-cache:
    @-if test -z "$(DESTDIR)"; then \
        echo "Updating GTK icon cache."; \
        $(gtk_update_icon_cache); \
    else \
        echo "*** Icon cache not updated. After (un)install, run this:"; \
        echo "*** $(gtk_update_icon_cache)"; \
    fi