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/fipy/default.nix

@@ -0,0 +1,61 @@
+{ lib
+, buildPythonPackage
+, numpy
+, scipy
+, pyamg
+, pysparse
+, future
+, matplotlib
+, tkinter
+, mpi4py
+, scikit-fmm
+, isPy27
+, gmsh
+, python
+, stdenv
+, openssh
+, fetchurl
+}:
+
+buildPythonPackage rec {
+  pname = "fipy";
+  version = "3.4.2.1";
+
+  src = fetchurl {
+    url = "https://github.com/usnistgov/fipy/releases/download/${version}/FiPy-${version}.tar.gz";
+    sha256 = "0v5yk9b4hksy3176w4vm4gagb9kxqgv75zcyswlqvl371qwy1grk";
+  };
+
+  propagatedBuildInputs = [
+    numpy
+    scipy
+    pyamg
+    matplotlib
+    tkinter
+    mpi4py
+    future
+    scikit-fmm
+    openssh
+  ] ++ lib.optionals isPy27 [ pysparse ]
+  ++ lib.optionals (!stdenv.isDarwin) [ gmsh ];
+
+  # Reading version string from Gmsh is broken in latest release of FiPy
+  # This issue is repaired on master branch of FiPy
+  # Fixed with: https://github.com/usnistgov/fipy/pull/848/files
+  # Remove patch with next release.
+  patches = [ ./gmsh.patch ];
+
+  checkInputs = lib.optionals (!stdenv.isDarwin) [ gmsh ];
+
+  checkPhase = ''
+    export OMPI_MCA_plm_rsh_agent=${openssh}/bin/ssh
+    ${python.interpreter} setup.py test --modules
+  '';
+
+  meta = with lib; {
+    homepage = "https://www.ctcms.nist.gov/fipy/";
+    description = "A Finite Volume PDE Solver Using Python";
+    license = licenses.free;
+    maintainers = with maintainers; [ costrouc wd15 ];
+  };
+}