{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, unzip , zlib , enablePython ? false, pythonPackages , enableGtk2 ? false, gtk2 , enableJPEG ? true, libjpeg , enablePNG ? true, libpng , enableTIFF ? true, libtiff , enableEXR ? true, openexr, ilmbase , enableJPEG2K ? true, jasper , enableFfmpeg ? false, ffmpeg , enableGStreamer ? false, gst_all , enableEigen ? false, eigen }: let opencvFlag = name: enabled: "-DWITH_${name}=${if enabled then "ON" else "OFF"}"; in stdenv.mkDerivation rec { name = "opencv-${version}"; version = "2.4.13"; src = fetchFromGitHub { owner = "Itseez"; repo = "opencv"; rev = version; sha256 = "1k29rxlvrhgc5hadg2nc50wa3d2ls9ndp373257p756a0aividxh"; }; buildInputs = [ zlib ] ++ lib.optional enablePython pythonPackages.python ++ lib.optional enableGtk2 gtk2 ++ lib.optional enableJPEG libjpeg ++ lib.optional enablePNG libpng ++ lib.optional enableTIFF libtiff ++ lib.optionals enableEXR [ openexr ilmbase ] ++ lib.optional enableJPEG2K jasper ++ lib.optional enableFfmpeg ffmpeg ++ lib.optionals enableGStreamer (with gst_all; [ gstreamer gst-plugins-base ]) ++ lib.optional enableEigen eigen ; propagatedBuildInputs = lib.optional enablePython pythonPackages.numpy; nativeBuildInputs = [ cmake pkgconfig unzip ]; NIX_CFLAGS_COMPILE = lib.optional enableEXR "-I${ilmbase}/include/OpenEXR"; cmakeFlags = [ (opencvFlag "TIFF" enableTIFF) (opencvFlag "JASPER" enableJPEG2K) (opencvFlag "JPEG" enableJPEG) (opencvFlag "PNG" enablePNG) (opencvFlag "OPENEXR" enableEXR) ]; enableParallelBuilding = true; passthru = lib.optionalAttrs enablePython { pythonPath = []; }; meta = { description = "Open Computer Vision Library with more than 500 algorithms"; homepage = http://opencv.org/; license = stdenv.lib.licenses.bsd3; maintainers = with stdenv.lib.maintainers; [viric flosse]; platforms = with stdenv.lib.platforms; linux; }; }