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/science/math/colpack/default.nix

@@ -0,0 +1,43 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook }:
+
+stdenv.mkDerivation rec {
+
+  pname = "ColPack";
+  version = "1.0.10";
+
+  src = fetchFromGitHub {
+    owner = "CSCsw";
+    repo = pname;
+    rev = "v" + version;
+    sha256 = "1p05vry940mrjp6236c0z83yizmw9pk6ly2lb7d8rpb7j9h03glr";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+
+  configureFlags = [
+    "--enable-openmp=${if stdenv.isLinux then "yes" else "no"}"
+    "--enable-examples=no"
+  ];
+
+  postInstall = ''
+    # Remove libtool archive
+    rm $out/lib/*.la
+
+    # Remove compiled examples (Basic examples get compiled anyway)
+    rm -r $out/examples
+
+    # Copy the example sources (Basic tree contains scripts and object files)
+    mkdir -p $out/share/ColPack/examples/Basic
+    cp SampleDrivers/Basic/*.cpp $out/share/ColPack/examples/Basic
+    cp -r SampleDrivers/Matrix* $out/share/ColPack/examples
+  '';
+
+  meta = with lib; {
+    description = "A package comprising of implementations of algorithms for
+    vertex coloring and derivative computation";
+    homepage = "http://cscapes.cs.purdue.edu/coloringpage/software.htm#functionalities";
+    license = licenses.lgpl3Plus;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ edwtjo ];
+  };
+}