mkdir -p $root
cd $root
mkdir -p boot bin dev emul etc home opt proc root share src sys tmp var
mkdir -p dev/pts dev/shm opt/cross share/doc share/fonts/encodings share/man var/empty var/log var/run
ln -sf opt/cross/x86_64-linux-musl/x86_64-linux-musl/include include
ln -sf opt/cross/x86_64-linux-musl/x86_64-linux-musl/lib lib
ln -sf . usr
ln -sf bin sbin
ln -sf ../tmp var/tmp
chmod 1777 tmp
chmod 700 root
cd -