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/compilers/orc/default.nix

@@ -0,0 +1,47 @@
+{ lib, stdenv, fetchurl, meson, ninja
+, gtk-doc ? null, file, docbook_xsl
+, buildDevDoc ? gtk-doc != null
+}: let
+  inherit (lib) optional optionals;
+in stdenv.mkDerivation rec {
+  pname = "orc";
+  version = "0.4.32";
+
+  src = fetchurl {
+    url = "https://gstreamer.freedesktop.org/src/orc/${pname}-${version}.tar.xz";
+    sha256 = "1w0qmyj3v9sb2g7ff39pp38b9850y9hyy0bag26ifrby5f7ksvm6";
+  };
+
+  postPatch = lib.optionalString stdenv.isAarch32 ''
+    # https://gitlab.freedesktop.org/gstreamer/orc/-/issues/20
+    sed -i '/exec_opcodes_sys/d' testsuite/meson.build
+  '' + lib.optionalString (stdenv.isDarwin && stdenv.isx86_64) ''
+    # This benchmark times out on Hydra.nixos.org
+    sed -i '/memcpy_speed/d' testsuite/meson.build
+  '';
+
+  outputs = [ "out" "dev" ]
+     ++ optional buildDevDoc "devdoc"
+  ;
+  outputBin = "dev"; # compilation tools
+
+  mesonFlags =
+    optional (!buildDevDoc) [ "-Dgtk_doc=disabled" ]
+  ;
+
+  nativeBuildInputs = [ meson ninja ]
+    ++ optionals buildDevDoc [ gtk-doc file docbook_xsl ]
+  ;
+
+  doCheck = true;
+
+  meta = with lib; {
+    description = "The Oil Runtime Compiler";
+    homepage = "https://gstreamer.freedesktop.org/projects/orc.html";
+    # The source code implementing the Marsenne Twister algorithm is licensed
+    # under the 3-clause BSD license. The rest is 2-clause BSD license.
+    license = with licenses; [ bsd3 bsd2 ];
+    platforms = platforms.unix;
+    maintainers = [ ];
+  };
+}