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/dynd/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, isPyPy
+, isPy3k
+, cython
+, numpy
+, pkgs
+}:
+
+buildPythonPackage rec {
+  version = "0.7.2";
+  pname = "dynd";
+  disabled = isPyPy || !isPy3k; # tests fail on python2, 2018-04-11
+
+  src = pkgs.fetchFromGitHub {
+    owner = "libdynd";
+    repo = "dynd-python";
+    rev = "v${version}";
+    sha256 = "19igd6ibf9araqhq9bxmzbzdz05vp089zxvddkiik3b5gb7l17nh";
+  };
+
+  # setup.py invokes git on build but we're fetching a tarball, so
+  # can't retrieve git version. We hardcode:
+  preConfigure = ''
+    substituteInPlace setup.py --replace "ver = check_output(['git', 'describe', '--dirty'," "ver = '${version}'"
+    substituteInPlace setup.py --replace "'--always', '--match', 'v*']).decode('ascii').strip('\n')" ""
+  '';
+
+  dontUseCmakeConfigure = true;
+
+  # Python 3 works but has a broken import test that I couldn't
+  # figure out.
+  doCheck = !isPy3k;
+  nativeBuildInputs = [ pkgs.cmake ];
+  buildInputs = [ pkgs.libdynd.dev cython ];
+  propagatedBuildInputs = [ numpy pkgs.libdynd ];
+
+  meta = with lib; {
+    homepage = "http://libdynd.org";
+    license = licenses.bsd2;
+    description = "Python exposure of dynd";
+    maintainers = with maintainers; [ teh ];
+  };
+
+}