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/cppzmq/default.nix

@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchFromGitHub, cmake, zeromq }:
+
+stdenv.mkDerivation rec {
+  pname = "cppzmq";
+  version = "4.8.1";
+
+  src = fetchFromGitHub {
+    owner = "zeromq";
+    repo = "cppzmq";
+    rev = "v${version}";
+    sha256 = "sha256-Q09+6dPwdeW3jkGgPNAcHI3FHcYPQ+w61PmV+TkQ+H8=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ zeromq ];
+
+  cmakeFlags = [
+    # Tests try to download googletest at compile time; there is no option
+    # to use a system one and no simple way to download it beforehand.
+    "-DCPPZMQ_BUILD_TESTS=OFF"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/zeromq/cppzmq";
+    license = licenses.bsd2;
+    description = "C++ binding for 0MQ";
+    maintainers = with maintainers; [ abbradar ];
+    platforms = platforms.unix;
+  };
+}