nixpkgs/pkgs/development/libraries/arrayfire/default.nix

{ stdenv, fetchurl, fetchFromGitHub, cmake, pkgconfig
, cudatoolkit, opencl-clhpp, ocl-icd, fftw, fftwFloat, mkl
, blas, openblas, boost, mesa, libGLU_combined
, freeimage, python, clfft, clblas
, doxygen, buildDocs ? false
}:

let
  strOnLinux = stdenv.lib.optionalString stdenv.isLinux;

in stdenv.mkDerivation rec {
  pname = "arrayfire";
  version = "3.6.4";

  src = fetchurl {
    url = "http://arrayfire.com/arrayfire_source/arrayfire-full-${version}.tar.bz2";
    sha256 = "1fin7a9rliyqic3z83agkpb8zlq663q6gdxsnm156cs8s7f7rc9h";
  };

  cmakeFlags = [
    "-DAF_BUILD_OPENCL=OFF"
    "-DAF_BUILD_EXAMPLES=OFF"
    "-DBUILD_TESTING=OFF"
    (strOnLinux "-DCMAKE_LIBRARY_PATH=${cudatoolkit}/lib/stubs")
  ];

  patches = [ ./no-download.patch ];

  postPatch = ''
    mkdir -p ./build/third_party/clFFT/src
    cp -R --no-preserve=mode,ownership ${clfft.src}/ ./build/third_party/clFFT/src/clFFT-ext/
    mkdir -p ./build/third_party/clBLAS/src
    cp -R --no-preserve=mode,ownership ${clblas.src}/ ./build/third_party/clBLAS/src/clBLAS-ext/
    mkdir -p ./build/include/CL
    cp -R --no-preserve=mode,ownership ${opencl-clhpp}/include/CL/cl2.hpp ./build/include/CL/cl2.hpp
  '';

  preBuild = strOnLinux ''
    export CUDA_PATH="${cudatoolkit}"
  '';

  enableParallelBuilding = true;

  nativeBuildInputs = [
    cmake
    pkgconfig
    python
  ];

  buildInputs = [
    opencl-clhpp fftw fftwFloat
    mkl
    openblas
    libGLU_combined
    mesa freeimage
    boost.out boost.dev
  ] ++ (stdenv.lib.optional stdenv.isLinux [ cudatoolkit ocl-icd ])
    ++ (stdenv.lib.optional buildDocs [ doxygen ]);

  meta = with stdenv.lib; {
    description = "A general-purpose library for parallel and massively-parallel computations";
    longDescription = ''
      A general-purpose library that simplifies the process of developing software that targets parallel and massively-parallel architectures including CPUs, GPUs, and other hardware acceleration devices.";
    '';
    license = licenses.bsd3;
    homepage = "https://arrayfire.com/";
    platforms = platforms.linux ++ platforms.darwin;
    maintainers = with maintainers; [ chessai ];
  };
}