anchor.diff:  { stdenv, hostPlatform, fetchcvs, lib, groff, mandoc, zlib, coreutils
  -, yacc, flex, libressl, bash }:
  +, yacc, flex, libressl, bash, more }:
   
   let
     fetchNetBSD = path: version: sha256: fetchcvs {
  
positive.code:     version = "7.1.2";
    };
  
    games = netBSDDerivation {
      path = "games";
      sha256 = "04wjsang8f8kxsifiayklbxaaxmm3vx9rfr91hfbxj4hk8gkqzy1";
      version = "7.1.2";
      patchPhase = ''
        sed -i '1i #include <time.h>' adventure/save.c
  
        # Disable some games that don't build. They should be possible
        # to build but need to look at how to implement stuff in
  
negative.code:     LIBCURSES = "";
      LIBTERMINFO = "";
      LIBM = "";
      LIBL = "";
      "LIBDO.terminfo" = "_external";
      "LIBDO.curses" = "_external";
      _GCC_CRTBEGIN = "";
  