anchor.diff:  { lib
   , stdenv
   , fetchFromGitHub
  +, asciidoc
   , cmake
  -, pkg-config
  -, asciidoc
   , expat
   , fontconfig
   , freetype
  
positive.code: , libpthreadstubs
  , libsndfile
  , libtiff
  , giflib
  , libxcb
  , mkfontdir
  , pcre
  , perl
  }:
  
  stdenv.mkDerivation rec {
    pname = "icewm";
    version = "2.3.4";
  
    src = fetchFromGitHub {
      owner  = "ice-wm";
      repo = pname;
      rev = version;
      hash = "sha256-UyLefj0eY/m3Of51NdhMNMq3z+kaLK28zDe63hbDK5A=";
    };
  
    nativeBuildInputs = [
  
negative.code:     gdk-pixbuf
      gdk-pixbuf-xlib
      gettext
      giflib
      glib
      imlib2
      libICE
  