rm -rf 'build' 'out' 'inst'
mkdir 'build' 'out' 'inst' || exit 1

if [ ! -f "${SRC}" ]; then
	mkdir 'src' >/dev/null 2>/dev/null

	if [ ! -d 'buildsrc' ]; then
		rm -f "${SRC}.tmp"
		wget -O "${SRC}.tmp" "${SRCURL}" || exit 1
		download "${SRCURL}" "${SRC}" - || exit 1
		mv "${SRC}.tmp" "${SRC}"
	fi
fi

(
	cd 'build' || exit 1

	if [ ! -d '../buildsrc' ]; then