anchor.diff:    brasero = callPackage ../tools/cd-dvd/brasero { };
   
     brltty = callPackage ../tools/misc/brltty {
  -    alsaSupport = (!stdenv.isDarwin);
  +    alsaSupport = true;
     };
     bro = callPackage ../applications/networking/ids/bro { };
   
  
positive.code: 
    cgui = callPackage ../development/libraries/cgui {};
  
    check = callPackage ../development/libraries/check {
      inherit (darwin.apple_sdk.frameworks) CoreServices;
    };
  
    chipmunk = callPackage ../development/libraries/chipmunk {};
  
  
negative.code: 
    libao = callPackage ../development/libraries/libao {
      usePulseAudio = config.pulseaudio or true;
    };
  
    libabw = callPackage ../development/libraries/libabw { };
  