add retroarchMaster package

pkgs/misc/emulators/retroarch/master.nix

@@ -0,0 +1,28 @@
+{ stdenv, fetchgit, pkgconfig, ffmpeg, mesa, nvidia_cg_toolkit, freetype, libxml2, libv4l
+, coreutils, python34, which, udev, alsaLib, libX11, libXext, libXxf86vm, libXdmcp, SDL
+, pulseaudio ? null }:
+stdenv.mkDerivation rec {
+  name = "retroarch-20140902";
+  src = fetchgit {
+    url = git://github.com/libretro/RetroArch.git;
+    rev = "0856091296c2e47409f36e13007805d71db69483";
+    sha256 = "152dfp6jd7yzvasqrqw4ydjbdcwq4khisia2dax3gydvxkq87nl4";
+  };
+
+  buildInputs = [ pkgconfig ffmpeg mesa nvidia_cg_toolkit freetype libxml2 libv4l coreutils
+                  python34 which udev alsaLib libX11 libXext libXxf86vm libXdmcp SDL pulseaudio ];
+
+  patchPhase = ''
+    export GLOBAL_CONFIG_DIR=$out/etc
+    sed -e 's#/bin/true#${coreutils}/bin/true#' -i qb/qb.libs.sh
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = {
+    homepage = http://libretro.org/;
+    description = "Multi-platform emulator frontend for libretro cores";
+    license = stdenv.lib.licenses.gpl3;
+    maintainers = with stdenv.lib.maintainers; [ MP2E ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -11397,6 +11397,7 @@ let
   putty = callPackage ../applications/networking/remote/putty { };
 
   retroarch = callPackage ../misc/emulators/retroarch { };
+  retroarchMaster = callPackage ../misc/emulators/retroarch/master.nix { };
 
   rssglx = callPackage ../misc/screensavers/rss-glx { };