anchor.diff:    };
   
     NIX_CFLAGS_COMPILE = "-Wno-deprecated-declarations";
  -  NIX_LDFLAGS = stdenv.lib.optional stdenv.isDarwin
  -    "/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation";
   
     enableParallelBuilding = true;
   
     buildInputs = [
       ncurses pkgconfig texinfo libxml2 gnutls Carbon Cocoa Foundation libobjc WebKit Quartz
  -    ImageCaptureCore OSAKit
  +    ImageCaptureCore OSAKit cf-private
     ];
   
     postUnpack = ''
  
positive.code:   '';
  
    preConfigure = ''
      substituteInPlace Makefile.in --replace "/bin/pwd" "pwd"
      substituteInPlace lib-src/Makefile.in --replace "/bin/pwd" "pwd"
  
  
negative.code: { stdenv, fetchurl, ncurses, pkgconfig, texinfo, libxml2, gnutls, Carbon, Foundation,
  libobjc, Cocoa, WebKit, Quartz, ImageCaptureCore, OSAKit, cf-private
  }:
  
  stdenv.mkDerivation rec {
  