uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/libraries/SDL_compat/default.nix

@@ -0,0 +1,53 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, pkg-config
+, SDL2
+, libGLSupported ? lib.elem stdenv.hostPlatform.system lib.platforms.mesaPlatforms
+, openglSupport ? libGLSupported
+, libGL
+, libGLU
+}:
+
+let
+  inherit (lib) optionals makeLibraryPath;
+
+in
+stdenv.mkDerivation rec {
+  pname = "SDL_compat";
+  version = "1.2.52";
+
+  src = fetchFromGitHub {
+    owner = "libsdl-org";
+    repo = "sdl12-compat";
+    rev = "release-" + version;
+    hash = "sha256-PDGlMI8q74JaqMQ5oX9Zt5CEr7frFQWECbuwq5g25eg=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+
+  propagatedBuildInputs = [ SDL2 ]
+    ++ optionals openglSupport [ libGL libGLU ];
+
+  enableParallelBuilding = true;
+
+  setupHook = ../SDL/setup-hook.sh;
+
+  postFixup = ''
+    for lib in $out/lib/*.so* ; do
+      if [[ -L "$lib" ]]; then
+        patchelf --set-rpath "$(patchelf --print-rpath $lib):${makeLibraryPath propagatedBuildInputs}" "$lib"
+      fi
+    done
+  '';
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    description = "A cross-platform multimedia library - build SDL 1.2 applications against 2.0";
+    homepage = "https://www.libsdl.org/";
+    license = licenses.zlib;
+    maintainers = with maintainers; [ peterhoeg ];
+    platforms = platforms.all;
+  };
+}