{ lib, stdenv, fetchgit, qt48, qmake4Hook, flex }:

# At the time of committing this, the expression fails for me to cross-build in
# both mingw32 and mingw64.

stdenv.mkDerivation {
  pname = "jom";
  version = "1.0.11";

  src = fetchgit {
    url = "git://gitorious.org/qt-labs/jom.git";
    rev = "c91a204b05f97eef3c73aaaba3036e20f79fd487";
    sha256 = "6d3ac84f83bb045213903d9d5340c0447c8fe41671d1dcdeae5c40b66d62ccbf";
  };

  buildInputs = [ qt48 ];
  nativeBuildInputs = [ flex qmake4Hook ];

  QTDIR = qt48;

  # cmakeFlags = [ "-DWIN32=1" "-DCMAKE_SYSTEM_NAME=Windows" "-DCMAKE_RC_COMPILER=${stdenv.cc.targetPrefix}windres" ];

  preBuild = lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
    export NIX_CROSS_CFLAGS_COMPILE=-fpermissive
  '';

  meta = {
    homepage = "https://qt-project.org/wiki/jom";
    description = "Clone of nmake supporting multiple independent commands in parallel";
    license = lib.licenses.gpl2Plus; # Explicitly, GPLv2 or GPLv3, but not later.
  };
}