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/applications/science/math/calculix/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchurl, gfortran, arpack, spooles, blas, lapack }:
+
+stdenv.mkDerivation rec {
+  pname = "calculix";
+  version = "2.19";
+
+  src = fetchurl {
+    url = "http://www.dhondt.de/ccx_${version}.src.tar.bz2";
+    sha256 = "01vdy9sns58hkm39z6d0r5y7gzqf5z493d18jin9krqib1l6jnn7";
+  };
+
+  nativeBuildInputs = [ gfortran ];
+
+  buildInputs = [ arpack spooles blas lapack ];
+
+  NIX_CFLAGS_COMPILE = [
+    "-I${spooles}/include/spooles"
+    "-std=legacy"
+  ];
+
+  patches = [
+    ./calculix.patch
+  ];
+
+  postPatch = ''
+    cd ccx*/src
+  '';
+
+  installPhase = ''
+    install -Dm0755 ccx_${version} $out/bin/ccx
+  '';
+
+  meta = with lib; {
+    homepage = "http://www.calculix.de/";
+    description = "Three-dimensional structural finite element program";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ gebner ];
+    platforms = platforms.unix;
+  };
+}