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/chipmunk/default.nix

@@ -0,0 +1,37 @@
+{ lib, stdenv, fetchurl, cmake, freeglut, libGLU, libGL, glfw2, glew, libX11, xorgproto
+, libXi, libXmu, fetchpatch, libXrandr
+}:
+
+stdenv.mkDerivation rec {
+  pname = "chipmunk";
+  majorVersion = "7";
+  version = "${majorVersion}.0.3";
+
+  src = fetchurl {
+    url = "https://chipmunk-physics.net/release/Chipmunk-${majorVersion}.x/Chipmunk-${version}.tgz";
+    sha256 = "06j9cfxsyrrnyvl7hsf55ac5mgff939mmijliampphlizyg0r2q4";
+  };
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/slembcke/Chipmunk2D/commit/9a051e6fb970c7afe09ce2d564c163b81df050a8.patch";
+      sha256 = "0ps8bjba1k544vcdx5w0qk7gcjq94yfigxf67j50s63yf70k2n70";
+    })
+  ];
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs =
+    [ freeglut libGLU libGL glfw2 glew libX11 xorgproto libXi libXmu libXrandr ];
+
+  postInstall = ''
+    mkdir -p $out/bin
+    cp demo/chipmunk_demos $out/bin
+  '';
+
+  meta = with lib; {
+    description = "A fast and lightweight 2D game physics library";
+    homepage = "http://chipmunk2d.net/";
+    license = licenses.mit;
+    platforms = platforms.unix; # supports Windows and MacOS as well, but those require more work
+  };
+}