anchor.diff:  { stdenv
   , fetchurl
  +, ninja
   , python
   
   , c-ares
  
positive.code:   '';
  
    configureFlags = [
      "--shared-http-parser"
      "--shared-libuv"
      "--shared-openssl"
  
negative.code:   };
  
    nativeBuildInputs = [
      ninja
      python
    ];
  
  