anchor.diff:  , langObjCpp ? stdenv.targetPlatform.isDarwin
   , langGo ? false
   , profiledCompiler ? false
  +, langJit ? false
   , staticCompiler ? false
   , enableShared ? true
   , enableLTO ? true
  
positive.code: 
    inherit patches;
  
    outputs = [ "out" "lib" "man" "info" ];
    setOutputFlags = false;
    NIX_NO_SELF_RPATH = true;
  
  
negative.code:       langGo
        langObjC
        langObjCpp
        langJit
        ;
    };
  
  