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/lightgbm/default.nix

@@ -0,0 +1,49 @@
+{ lib, stdenv
+, buildPythonPackage
+, fetchPypi
+, cmake
+, numpy
+, scipy
+, scikit-learn
+, llvmPackages ? null
+}:
+
+buildPythonPackage rec {
+  pname = "lightgbm";
+  version = "3.3.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "5d25d16e77c844c297ece2044df57651139bc3c8ad8c4108916374267ac68b64";
+  };
+
+  nativeBuildInputs = [
+    cmake
+  ];
+
+  dontUseCmakeConfigure = true;
+
+  buildInputs = lib.optional stdenv.cc.isClang [ llvmPackages.openmp ];
+  propagatedBuildInputs = [
+    numpy
+    scipy
+    scikit-learn
+  ];
+
+  postConfigure = ''
+    export HOME=$(mktemp -d)
+  '';
+
+  # The pypi package doesn't distribute the tests from the GitHub
+  # repository. It contains c++ tests which don't seem to wired up to
+  # `make check`.
+  doCheck = false;
+  pythonImportsCheck = [ "lightgbm" ];
+
+  meta = with lib; {
+    description = "A fast, distributed, high performance gradient boosting (GBDT, GBRT, GBM or MART) framework";
+    homepage = "https://github.com/Microsoft/LightGBM";
+    license = licenses.mit;
+    maintainers = with maintainers; [ teh costrouc ];
+  };
+}