anchor.diff:      make -C ../gmic/src CImg.h gmic_stdlib.h
     '';
   
  -  nativeBuildInputs = [ cmake pkgconfig ];
  +  nativeBuildInputs = [
  +    cmake
  +    pkgconfig
  +  ];
   
     buildInputs = [
  -    qtbase qttools fftw zlib libjpeg libtiff libpng
  -    opencv openexr graphicsmagick curl krita
  +    qtbase
  +    qttools
  +    fftw
  +    zlib
  +    libjpeg
  +    libtiff
  +    libpng
  +    opencv
  +    openexr
  +    graphicsmagick
  +    curl
  +    krita
     ];
   
  -  cmakeFlags = [ "-DGMIC_QT_HOST=krita" ];
  +  cmakeFlags = [
  +    "-DGMIC_QT_HOST=krita"
  +  ];
   
     installPhase = ''
       mkdir -p $out/bin;
  
positive.code: { stdenv, fetchurl, fetchFromGitHub, cmake, pkgconfig
  , opencv, openexr, graphicsmagick, fftw, zlib, libjpeg, libtiff, libpng
  , curl, krita, qtbase, qttools
  , fetchgit }:
  
  let
    version = "2.3.6";
  
  in stdenv.mkDerivation rec {
    pname = "gmic_krita_qt";
    inherit version;
  
negative.code:     owner = "c-koi";
      repo = "gmic-qt";
      rev = "v.${version}";
      sha256 = "0j9wqlq67dwzir36yg58xy5lbblwizvgcvlmzcv9d6l901d5ayf3";
    };
  
    unpackPhase = ''
  