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/opencascade-occt/default.nix

@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchurl, fetchpatch, cmake, ninja, tcl, tk,
+  libGL, libGLU, libXext, libXmu, libXi, darwin }:
+
+stdenv.mkDerivation rec {
+  pname = "opencascade-occt";
+  version = "7.5.1";
+  commit = "V${builtins.replaceStrings ["."] ["_"] version}";
+
+  src = fetchurl {
+    name = "occt-${commit}.tar.gz";
+    url = "https://git.dev.opencascade.org/gitweb/?p=occt.git;a=snapshot;h=${commit};sf=tgz";
+    sha256 = "sha256-1whKU+7AMVYabfs15x8MabohKonn5oM54ZEtxF93wAo=";
+  };
+
+  nativeBuildInputs = [ cmake ninja ];
+  buildInputs = [ tcl tk libGL libGLU libXext libXmu libXi ]
+    ++ lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Cocoa;
+
+  meta = with lib; {
+    description = "Open CASCADE Technology, libraries for 3D modeling and numerical simulation";
+    homepage = "https://www.opencascade.org/";
+    license = licenses.lgpl21;  # essentially...
+    # The special exception defined in the file OCCT_LGPL_EXCEPTION.txt
+    # are basically about making the license a little less share-alike.
+    maintainers = with maintainers; [ amiloradovsky gebner ];
+    platforms = platforms.all;
+  };
+
+}