anchor.diff:    outputs = [ "out" "man" "doc" ];
   
     postPatch = ''
  -    sed -i src/TARGETS -e '/^chkshsgr/d'
  +    echo "int main() { return 0; }" >src/chkshsgr.c
     '';
   
     configurePhase = ''
  
positive.code:   buildPhase = ''package/compile'';
  
    installPhase = ''
      runHook preInstall
  
      mkdir -p $out/bin
      mv command"/"* $out/bin
  
  
negative.code: 
      mkdir -p $doc/share/doc/socklog/html
      mv doc/*.html $doc/share/doc/socklog/html/
    '';
  
    checkPhase = ''package/check'';
  