Plan 9 from Bell Labs’s /usr/web/sources/plan9/sys/src/cmd/cpp/mkfile
</$objtype/mkfile TARG=cpp OFILES=\ cpp.$O\ lex.$O\ nlist.$O\ tokens.$O\ macro.$O\ eval.$O\ include.$O\ hideset.$O\ HFILES=cpp.h BIN=/$objtype/bin </sys/src/cmd/mkone