pkgmk -d -u      
=======> WARNING: Packages should be built as root.
=======> Building '/var/pkgmk/packages/busybox.static#1.19.4-1.pkg.tar.gz'.
bsdtar -p -o -C /var/pkgmk/work/busybox.static/src -xf /var/pkgmk/distfiles/busybox-1.19.4.tar.bz2
+ build
+ cd busybox.static-1.19.4
Pkgfile: line 11: cd: busybox.static-1.19.4: No such file or directory
=======> ERROR: Building '/var/pkgmk/packages/busybox.static#1.19.4-1.pkg.tar.gz' failed.