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/science/math/itpp/default.nix

@@ -0,0 +1,55 @@
+{ lib, stdenv
+, fetchurl
+, cmake
+, gtest
+, blas
+, fftw
+, liblapack
+, gfortran
+}:
+
+stdenv.mkDerivation rec {
+  pname = "it++";
+  version = "4.3.1";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/itpp/itpp-${version}.tar.bz2";
+    sha256 = "0xxqag9wi0lg78xgw7b40rp6wxqp5grqlbs9z0ifvdfzqlhpcwah";
+  };
+
+  nativeBuildInputs = [ cmake gfortran ];
+  buildInputs = [
+    fftw
+    liblapack
+
+    # NOTE: OpenBLAS doesn't work here because IT++ doesn't pass aligned
+    # buffers, which causes segfaults in the optimized kernels :-(
+    blas
+  ];
+
+  cmakeFlags = [
+    "-DCMAKE_CXX_FLAGS=-std=c++11"
+    "-DBLAS_FOUND:BOOL=TRUE"
+    "-DBLAS_LIBRARIES:STRING=${blas}/lib/libblas.so"
+    "-DLAPACK_FOUND:BOOL=TRUE"
+    "-DLAPACK_LIBRARIES:STRING=${liblapack}/lib/liblapack.so"
+    "-DGTEST_DIR:PATH=${gtest.src}/googletest"
+  ];
+
+  doCheck = true;
+
+  checkPhase = ''
+    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD/itpp
+    export DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH''${DYLD_LIBRARY_PATH:+:}$PWD/itpp
+    ./gtests/itpp_gtests
+  '';
+
+  meta = with lib; {
+    description = "IT++ is a C++ library of mathematical, signal processing and communication classes and functions";
+    homepage = "http://itpp.sourceforge.net/";
+    license = licenses.gpl3;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ andrew-d ];
+    broken = stdenv.isDarwin; # never built on Hydra https://hydra.nixos.org/job/nixpkgs/trunk/itpp.x86_64-darwin
+  };
+}