pkgs/tools/graphics/waifu2x-converter-cpp/default.nix


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{ cmake, fetchFromGitHub, makeWrapper, opencv3, lib, stdenv, ocl-icd, opencl-headers, OpenCL
, config
, cudaSupport ? config.cudaSupport, cudatoolkit ? null
}:

stdenv.mkDerivation rec {
  pname = "waifu2x-converter-cpp";
  version = "5.3.4";

  src = fetchFromGitHub {
    owner = "DeadSix27";
    repo = pname;
    rev = "v${version}";
    sha256 = "0rv8bnyxz89za6gwk9gmdbaf3j7c1j52mip7h81rir288j35m84x";
  };

  patches = [
    # Remove the hard-coded compiler on Darwin and use the one in stdenv.
    ./waifu2x_darwin_build.diff
  ];

  buildInputs = [
    opencv3
  ] ++ lib.optional cudaSupport cudatoolkit
    ++ lib.optional stdenv.isDarwin OpenCL
    ++ lib.optionals stdenv.isLinux [ ocl-icd opencl-headers ];

  nativeBuildInputs = [ cmake makeWrapper ];

  preFixup = lib.optionalString stdenv.isLinux ''
    wrapProgram $out/bin/waifu2x-converter-cpp --prefix LD_LIBRARY_PATH : "${ocl-icd}/lib"
  '';

  cmakeFlags = [
    # file RPATH_CHANGE could not write new RPATH
    "-DCMAKE_SKIP_BUILD_RPATH=ON"
  ];

  meta = {
    description = "Improved fork of Waifu2X C++ using OpenCL and OpenCV";
    homepage = "https://github.com/DeadSix27/waifu2x-converter-cpp";
    license = lib.licenses.mit;
    maintainers = [ lib.maintainers.xzfc ];
    platforms = lib.platforms.linux ++ lib.platforms.darwin;
  };
}