build:
	mkdir -p ${root}
	cd ${root}
	mkdir -p boot bin dev emul etc home mnt opt proc root share src sys tmp var
	mkdir -p dev/pts dev/shm opt/cross share/doc share/fonts/encodings share/man share/terminfo var/empty var/log var/run
	rm -f include
	ln -s opt/cross/${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