anchor.diff:      nativeBuildInputs = with buildPackages.netbsd; [
         bsdSetupHook netbsdSetupHook
         makeMinimal
  -      byacc install tsort lorder mandoc statHook
  +      byacc install tsort lorder mandoc statHook rsync
       ];
       buildInputs = with self; [ headers ];
       SHLIBINSTALLDIR = "$(out)/lib";
  
positive.code:     nativeBuildInputs = with buildPackages.netbsd; [
        bsdSetupHook netbsdSetupHook
        makeMinimal
        install mandoc groff nbperf
      ];
      makeFlags = defaultMakeFlags ++ [ "TOOLDIR=$(out)" ];
      extraPaths = with self; [
  
negative.code:     sha256 = "0pq05k3dj0dfsczv07frnnji92mazmy2qqngqbx2zgqc1x251414";
      nativeBuildInputs = with buildPackages.netbsd; [
        bsdSetupHook netbsdSetupHook
        makeMinimal install tsort lorder mandoc statHook nbperf tic rsync
      ];
      buildInputs = with self; compatIfNeeded;
      SHLIBINSTALLDIR = "$(out)/lib";
  