anchor.diff:    knotifications, knotifyconfig, kparts, ktextwidgets, kwallet, kwidgetsaddons,
     kwindowsystem, kxmlgui, sonnet, threadweaver,
     kcontacts, akonadi, akonadi-calendar, akonadi-contacts,
  -  eigen, git, gsl, ilmbase, kproperty, kreport, lcms2, marble, libgit2, libodfgen,
  +  eigen, git, gsl, ilmbase, kproperty, kreport, lcms2, marble, pcre, libgit2, libodfgen,
     librevenge, libvisio, libwpd, libwpg, libwps, okular, openexr, openjpeg, phonon,
     poppler, pstoedit, qca-qt5, vc
   # TODO: package Spnav, m2mml LibEtonyek, Libqgit2
  
positive.code: 
  mkDerivation rec {
    pname = "calligra";
    version = "3.1.0";
  
    src = fetchurl {
      url = "mirror://kde/stable/${pname}/${version}/${pname}-${version}.tar.xz";
      sha256 = "0w782k0hprpb6viixnqz34sp0z5csv3prdby46z22qqkcipcs638";
    };
  
    patches = [ ./qt5_11.patch ];
  
    enableParallelBuilding = true;
  
    nativeBuildInputs = [ extra-cmake-modules kdoctools makeWrapper ];
  
    buildInputs = [
      boost qtwebkit qtx11extras shared-mime-info
  
negative.code: 
    NIX_CFLAGS_COMPILE = "-I${ilmbase.dev}/include/OpenEXR";
  
    qtWrapperArgs = [
      "--prefix PATH : ${lib.getBin pstoedit}/bin"
      "--prefix XDG_DATA_DIRS : ${breeze-icons}/share"
    ];
  
    meta = with lib; {
      description = "A suite of productivity applications";
  