build:
	mkdir -p "$root"
	cd "$root"
	mkdir -p boot bin dev emul etc home mnt opt proc root share src sys tmp var
	mkdir -p opt/cross share/doc share/fonts/encodings share/man share/terminfo var/empty var/log var/run
	rm -f include
	ln -s "opt/cross/$arch-linux-musl/$arch-linux-musl/include" include
	rm -f lib
	ln -s "opt/cross/$arch-linux-musl/$arch-linux-musl/lib" lib
	rm -f usr
	ln -s . usr
	rm -f sbin
	ln -s bin sbin
	rm -f var/tmp
	ln -s ../tmp var/tmp
	chmod 1777 tmp
	chmod 700 root