{ qtModule
, stdenv
, lib
, qtbase
, qtdeclarative
, cups
, llvmPackages
# clang-based c++ parser for qdoc and lupdate
, withClang ? false
}:

qtModule {
  pname = "qttools";
  buildInputs = lib.optionals withClang [
    llvmPackages.libclang
    llvmPackages.llvm
  ];
  propagatedBuildInputs = [ qtbase qtdeclarative ]
    ++ lib.optionals stdenv.hostPlatform.isDarwin [ cups ];
  patches = [
    ../patches/qttools-paths.patch
  ];
  env.NIX_CFLAGS_COMPILE = toString [
    "-DNIX_OUTPUT_OUT=\"${placeholder "out"}\""
  ];
  postPatch = ''
    substituteInPlace \
      src/qdoc/catch/CMakeLists.txt \
      src/qdoc/catch_generators/CMakeLists.txt \
      src/qdoc/catch_conversions/CMakeLists.txt \
      --replace ''\'''${CMAKE_INSTALL_INCLUDEDIR}' "$out/include"
  '';
  postInstall = ''
    mkdir -p "$dev"
    ln -s "$out/bin" "$dev/bin"
  '';
}