Plan 9 from Bell Labs’s /usr/web/sources/contrib/fgb/root/sys/src/ape/X11/cmd/X/hw/xfree86/os-support/sco/Makefile.am
EXTRA_DIST = \ VTsw_sco.c \ sco_init.c \ sco_iop.c \ sco_mouse.c \ sco_video.c