illusion:iso uplime$ pwd
/usr/src/iso
illusion:iso uplime$ sudo make -B packages.all
/bin/ls: cannot access '/ports/core': No such file or directory
Writing file packages.all ...
illusion:iso uplime$ sudo make -B PWD="$PWD" packages.all
Writing file packages.all ...
illusion:iso uplime$ wc -l packages.all
295 packages.all
illusion:iso uplime$ sudo prt-get depinst $(cat packages.all)
prt-get: no package specified for install

prt-get: installed successfully
illusion:iso uplime$