anchor.diff:  , pkg-config, portaudio
   , libiberty
   }:
  -let
  -  version = "1.27.0";
  -in
  -gsmakeDerivation {
  -  name = "gnustep-base-${version}";
  -  src = fetchurl {
  -    url = "ftp://ftp.gnustep.org/pub/gnustep/core/gnustep-base-${version}.tar.gz";
  -    sha256 = "10xjrv5d443wzll6lf9y65p6v9kvx7xxklhsm1j05y93vwgzl0w8";
  +gsmakeDerivation rec {
  +  pname = "gnustep-base";
  +  version = "1.28.0";
  +  src = fetchzip {
  +    url = "ftp://ftp.gnustep.org/pub/gnustep/core/${pname}-${version}.tar.gz";
  +    sha256 = "05vjz19v1w7yb7hm8qrc41bqh6xd8in7sgg2p0h1vldyyaa5sh90";
     };
     nativeBuildInputs = [ pkg-config ];
     propagatedBuildInputs = [
  
positive.code: { aspell, audiofile
  , gsmakeDerivation
  , cups
  , fetchurl, fetchpatch
  , gmp, gnutls
  , libffi, binutils-unwrapped
  , libjpeg, libtiff, libpng, giflib
  
negative.code:   ];
    patches = [
      ./fixup-paths.patch
    ];
  
    meta = {
      description = "An implementation of AppKit and Foundation libraries of OPENSTEP and Cocoa";
      changelog = "https://github.com/gnustep/libs-base/releases/tag/base-${builtins.replaceStrings [ "." ] [ "_" ] version}";
    };
  }
  