install-icons:
        @echo "Installing application icons..."
        for icon in $(icons); do \
                SIZE=`echo $$icon | cut -d- -f3 | cut -d. -f1`; \
                EXTENSION=`echo $$icon | cut -d. -f2`; \
                if test "$$SIZE" = "scalable"; then \
                        SIZE="scalable"; \
                else \
                        SIZE="$${SIZE}x$${SIZE}"; \
                fi; \
                mkdir -p $(DESTDIR)$(datadir)/icons/hicolor/$$SIZE/apps; \
                $(INSTALL_DATA) $(srcdir)/$$icon $(DESTDIR)$(datadir)/icons/hicolor/$$SIZE/apps/last-exit.$$EXTENSION; \
        done
        @-if test -z "$(DESTDIR)"; then \
                echo "Updating GTK icon cache."; \
                $(gtk_update_icon_cache); \
        else \
                echo "*** Icon cache not updated.  After install, run this:"; \
                echo "***   $(gtk_update_icon_cache)"; \
        fi