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/python-modules/pythonocc-core/default.nix

@@ -0,0 +1,58 @@
+{ lib, stdenv, python, fetchFromGitHub
+, cmake
+, Cocoa
+, fontconfig
+, freetype
+, libGL
+, libGLU
+, libX11
+, libXext
+, libXi
+, libXmu
+, opencascade-occt
+, rapidjson
+, smesh
+, swig
+}:
+
+stdenv.mkDerivation rec {
+  pname = "pythonocc-core";
+  version = "7.5.1";
+
+  src = fetchFromGitHub {
+    owner = "tpaviot";
+    repo = "pythonocc-core";
+    rev = version;
+    sha256 = "1md6x60pnfq0qv4lsnmjv6i96mzdrcpxcgpb316i7wmv9b5ci01s";
+  };
+
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+    --replace "/usr/X11R6/lib/libGL.dylib" "${libGL}/lib/libGL.dylib" \
+    --replace "/usr/X11R6/lib/libGLU.dylib" "${libGLU}/lib/libGLU.dylib"
+  '';
+
+  nativeBuildInputs = [ cmake swig ];
+  buildInputs = [
+    python opencascade-occt smesh
+    freetype libGL libGLU libX11 libXext libXmu libXi
+    fontconfig rapidjson
+  ] ++ lib.optionals stdenv.isDarwin [ Cocoa ];
+
+  cmakeFlags = [
+    "-Wno-dev"
+    "-DPYTHONOCC_INSTALL_DIRECTORY=${placeholder "out"}/${python.sitePackages}/OCC"
+
+    "-DSMESH_INCLUDE_PATH=${smesh}/include/smesh"
+    "-DSMESH_LIB_PATH=${smesh}/lib"
+    "-DPYTHONOCC_WRAP_SMESH=TRUE"
+  ];
+
+  meta = with lib; {
+    description = "Python wrapper for the OpenCASCADE 3D modeling kernel";
+    homepage = "https://github.com/tpaviot/pythonocc-core";
+    license = licenses.lgpl3;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ gebner ];
+  };
+}