default_pre_build      &&
cd ${SOURCE_DIRECTORY} &&
awk '
	BEGIN { menufile = "jwmrc-menu"; print "<JWM>" > menufile }
	END { print "</JWM>" > menufile }
	function rootmenu_end() {
		if (!/^ *<\/RootMenu>/) return 1
		printf "    <Include>/etc/%s</Include>\n", menufile
	}
	/^ *<RootMenu/, !rootmenu_end() { print > menufile; next } 1
' example.jwmrc > example.jwmrc.$$ &&
mv example.jwmrc.$$ example.jwmrc