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/libthreadar/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchurl, gcc-unwrapped }:
+
+stdenv.mkDerivation rec {
+  version = "1.4.0";
+  pname = "libthreadar";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/libthreadar/${pname}-${version}.tar.gz";
+    sha256 = "sha256-LkcVF4AnuslzpIg/S8sGNJQye6iGcQRGqCqAhg8aN5E=";
+  };
+
+  outputs = [ "out" "dev" ];
+
+  buildInputs = [ gcc-unwrapped ];
+
+  CXXFLAGS = [ "-std=c++14" ];
+
+  configureFlags = [
+    "--disable-build-html"
+  ];
+
+  postInstall = ''
+    # Disable html help
+    rm -r "$out"/share
+  '';
+
+  meta = with lib; {
+    homepage = "http://libthreadar.sourceforge.net/";
+    description = "A C++ library that provides several classes to manipulate threads";
+    longDescription = ''
+      Libthreadar is a C++ library providing a small set of C++ classes to manipulate
+      threads in a very simple and efficient way from your C++ code.
+    '';
+    maintainers = with maintainers; [ izorkin ];
+    license = licenses.lgpl3;
+    platforms = platforms.unix;
+  };
+}