waifu2x-converter-cpp: init at 5.2.4

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

···
+{ cmake, fetchFromGitHub, opencv3, stdenv, opencl-headers
+, cudaSupport ? false, cudatoolkit ? null
+}:
+
+stdenv.mkDerivation rec {
+  pname = "waifu2x-converter-cpp";
+  version = "5.2.4";
+
+  src = fetchFromGitHub {
+    owner = "DeadSix27";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0r7xcjqbyaa20gsgmjj7645640g3nb2bn1pc1nlfplwlzjxmz213";
+  };
+
+  patchPhase = ''
+    # https://github.com/DeadSix27/waifu2x-converter-cpp/issues/123
+    sed -i 's:{"PNG",  false},:{"PNG",  true},:' src/main.cpp
+  '';
+
+  buildInputs = [
+    opencv3 opencl-headers
+  ] ++ stdenv.lib.optional cudaSupport cudatoolkit;
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = {
+    description = "Improved fork of Waifu2X C++ using OpenCL and OpenCV";
+    homepage = https://github.com/DeadSix27/waifu2x-converter-cpp;
+    license = stdenv.lib.licenses.mit;
+    maintainers = [ stdenv.lib.maintainers.xzfc ];
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   vtun = callPackage ../tools/networking/vtun { };
 
+  waifu2x-converter-cpp = callPackage ../tools/graphics/waifu2x-converter-cpp { };
+
   wakatime = pythonPackages.callPackage ../tools/misc/wakatime { };
 
   weather = callPackage ../applications/misc/weather { };