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/applications/emulators/retroarch/wrapper.nix

@@ -0,0 +1,41 @@
+{ stdenv, lib, makeWrapper, retroarch, cores ? [ ] }:
+
+stdenv.mkDerivation {
+  pname = "retroarch";
+  version = lib.getVersion retroarch;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  buildCommand = ''
+    mkdir -p $out/lib
+    for coreDir in $cores; do
+      ln -s $coreDir/* $out/lib/.
+    done
+
+    ln -s -t $out ${retroarch}/share
+
+    if [ -d ${retroarch}/Applications ]; then
+      ln -s -t $out ${retroarch}/Applications
+    fi
+
+    makeWrapper ${retroarch}/bin/retroarch $out/bin/retroarch \
+      --suffix-each LD_LIBRARY_PATH ':' "$cores" \
+      --add-flags "-L $out/lib/" \
+  '';
+
+  cores = map (x: x + x.libretroCore) cores;
+  preferLocalBuild = true;
+
+  meta = with retroarch.meta; {
+    inherit changelog description homepage license maintainers platforms;
+    longDescription = ''
+      RetroArch is the reference frontend for the libretro API.
+
+      The following cores are included:
+      ${lib.concatStringsSep "\n" (map (x: "  - ${x.name}") cores)}
+    '';
+    # FIXME: exits with error on macOS:
+    # No Info.plist file in application bundle or no NSPrincipalClass in the Info.plist file, exiting
+    broken = stdenv.isDarwin;
+  };
+}