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/libraries/armadillo/default.nix

@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchurl, cmake, blas, lapack, superlu, hdf5 }:
+
+stdenv.mkDerivation rec {
+  pname = "armadillo";
+  version = "11.1.1";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/arma/armadillo-${version}.tar.xz";
+    sha256 = "sha256-v6YVSl/v2DLSjVMKWCIf5KLP8qO729guEJveU/sp3Ns=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [ blas lapack superlu hdf5 ];
+
+  cmakeFlags = [
+    "-DLAPACK_LIBRARY=${lapack}/lib/liblapack${stdenv.hostPlatform.extensions.sharedLibrary}"
+    "-DDETECT_HDF5=ON"
+  ];
+
+  patches = [ ./use-unix-config-on-OS-X.patch ];
+
+  meta = with lib; {
+    description = "C++ linear algebra library";
+    homepage = "http://arma.sourceforge.net";
+    license = licenses.asl20;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ juliendehos knedlsepp ];
+  };
+}

pkgs/development/libraries/armadillo/use-unix-config-on-OS-X.patch

@@ -0,0 +1,10 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -152,6 +152,7 @@ message(STATUS "DETECT_HDF5                = ${DETECT_HDF5}"               )
+
+ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake_aux/Modules/")
+
++set(APPLE false)
+ if(APPLE)
+   
+   set(ARMA_OS macos)