anchor.diff:  }:
   
   let
  -  inherit (stdenv.lib)
  -    enFlag;
  +  inherit (lib)
  +    boolEn;
  +
  +  versionMajor = "3.20";
  +  versionMinor = "0";
  +  version = "${versionMajor}.${versionMinor}";
   in
   stdenv.mkDerivation rec {
     name = "gcr-${version}";
  -  versionMajor = "3.20";
  -  versionMinor = "0";
  -  version = "${versionMajor}.${versionMinor}";
   
     src = fetchurl {
       url = "mirror://gnome/sources/gcr/${versionMajor}/${name}.tar.xz";
  
positive.code: 
    doCheck = false;
  
    meta = with stdenv.lib; {
      description = "Libraries for cryptographic UIs and accessing PKCS#11 modules";
      homepage = https://git.gnome.org/browse/gcr;
      license = with licenses; [
  
negative.code: { stdenv
  , fetchurl
  , intltool
  , lib
  , libxslt
  
  , atk
  