openmw: 0.43 -> 0.44; update to qt5

pkgs/games/openmw/default.nix

@@ -1,5 +1,6 @@
-{ stdenv, fetchFromGitHub, qt4, openscenegraph, mygui, bullet, ffmpeg, boost, cmake, SDL2, unshield, openal
-, libXt, pkgconfig }:
+{ stdenv, fetchFromGitHub, qt5, qt4, openscenegraph, mygui, bullet, ffmpeg
+, boost, cmake, SDL2, unshield, openal, libXt, pkgconfig
+, useQt5 ? true }:
 
 let
   openscenegraph_ = openscenegraph.overrideDerivation (self: {
@@ -11,20 +12,24 @@ let
     };
   });
 in stdenv.mkDerivation rec {
-  version = "0.43.0";
+  version = "0.44.0";
   name = "openmw-${version}";
 
   src = fetchFromGitHub {
     owner = "OpenMW";
     repo = "openmw";
     rev = name;
-    sha256 = "1nybxwp77qswjayf0g9xayp4x1xxq799681rhjlggch127r07ifi";
+    sha256 = "0rxkw0bzag7qffifg28dyyga47aaaf5ziiccpv7p8yax1wglvymh";
   };
 
   enableParallelBuilding = true;
 
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ cmake boost ffmpeg qt4 bullet mygui openscenegraph_ SDL2 unshield openal libXt ];
+  buildInputs = [ cmake boost ffmpeg bullet mygui openscenegraph_ SDL2 unshield openal libXt ]
+  ++ [ (if useQt5 then qt5.qtbase else qt4) ];
+  cmakeFlags = [
+    "-DDESIRED_QT_VERSION:INT=${if useQt5 then "5" else "4"}"
+  ];
 
   meta = with stdenv.lib; {
     description = "An unofficial open source engine reimplementation of the game Morrowind";