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/servers/amqp/qpid-cpp/default.nix

@@ -0,0 +1,52 @@
+{ lib, stdenv
+, fetchpatch
+, fetchurl
+, boost
+, cmake
+, libuuid
+, python3
+, ruby
+}:
+
+stdenv.mkDerivation rec {
+  pname = "qpid-cpp";
+  version = "1.39.0";
+
+  src = fetchurl {
+    url = "mirror://apache/qpid/cpp/${version}/${pname}-${version}.tar.gz";
+    hash = "sha256-eYDQ6iHVV1WUFFdyHGnbqGIjE9CrhHzh0jP7amjoDSE=";
+  };
+
+  nativeBuildInputs = [ cmake python3 ];
+  buildInputs = [ boost libuuid ruby ];
+
+  patches = [
+    (fetchpatch {
+      name = "python3-managementgen";
+      url = "https://github.com/apache/qpid-cpp/commit/0e558866e90ef3d5becbd2f6d5630a6a6dc43a5d.patch";
+      hash = "sha256-pV6xx8Nrys/ZxIO0Z/fARH0ELqcSdTXLPsVXYUd3f70=";
+    })
+  ];
+
+  # the subdir managementgen wants to install python stuff in ${python} and
+  # the installation tries to create some folders in /var
+  postPatch = ''
+    sed -i '/managementgen/d' CMakeLists.txt
+    sed -i '/ENV/d' src/CMakeLists.txt
+    sed -i '/management/d' CMakeLists.txt
+  '';
+
+  NIX_CFLAGS_COMPILE = toString ([
+    "-Wno-error=maybe-uninitialized"
+  ] ++ lib.optionals stdenv.cc.isGNU [
+    "-Wno-error=deprecated-copy"
+  ]);
+
+  meta = with lib; {
+    homepage = "https://qpid.apache.org";
+    description = "An AMQP message broker and a C++ messaging API";
+    license = licenses.asl20;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ cpages ];
+  };
+}