ref: f4624471579e0cfb531ffc733cdbe007ecdfed9d dir: /utils/tr/mkfile/
<../../mkconfig TARG=tr OFILES= tr.$O\ HFILES= LIBS=9 # libbio.a uses lib9.a so order matters. BIN=$ROOT/$OBJDIR/bin <$ROOT/mkfiles/mkone-$SHELLTYPE