Plan 9 from Bell Labs’s /usr/web/sources/contrib/steve/root/sys/src/cmd/graphviz/mkfile
DIRS=cdt gd graph pathplan dotneato %.directories:V: for(i in $DIRS) @{ cd $i echo mk $i mk $MKFLAGS $stem } all:V: all.directories install:V: install.directories clean:V: clean.directories nuke:V: nuke.directories