setenv system yes
assign tch: exists >nil:
if warn
  if not exists t:chess
    makedir t:chess
  endif
  assign tch: t:chess
endif
assign ch: exists >nil:
if warn
  assign ch: ""
  assign gnlib: ch:misc
  assign chn: ch:src/new
endif
assign tch: exists >nil:
if not warn
  assign ch: exists >nil:
  if not warn
    cop chn:*.[cho] tch:
    cop chn:makefile tch:
  endif
endif
