{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, unzip , zlib , enableGtk2 ? false, gtk2 , enableJPEG ? true, libjpeg , enablePNG ? true, libpng , enableTIFF ? true, libtiff , enableEXR ? (!stdenv.isDarwin), openexr, ilmbase , enableFfmpeg ? false, ffmpeg , enableGStreamer ? false, gst_all_1 , enableEigen ? true, eigen , enableUnfree ? false , Cocoa, QTKit }: let opencvFlag = name: enabled: "-DWITH_${name}=${if enabled then "ON" else "OFF"}"; in stdenv.mkDerivation rec { pname = "opencv"; version = "2.4.13.7"; src = fetchFromGitHub { owner = "opencv"; repo = "opencv"; rev = version; sha256 = "062js7zhh4ixi2wk61wyi23qp9zsk5vw24iz2i5fab2hp97y5zq3"; }; patches = [ # Don't include a copy of the CMake status output in the # build. This causes a runtime dependency on GCC. ./no-build-info.patch ]; # This prevents cmake from using libraries in impure paths (which causes build failure on non NixOS) postPatch = '' sed -i '/Add these standard paths to the search paths for FIND_LIBRARY/,/^\s*$/{d}' CMakeLists.txt ''; outputs = [ "out" "dev" ]; buildInputs = [ zlib ] ++ lib.optional enableGtk2 gtk2 ++ lib.optional enableJPEG libjpeg ++ lib.optional enablePNG libpng ++ lib.optional enableTIFF libtiff ++ lib.optionals enableEXR [ openexr ilmbase ] ++ lib.optional enableFfmpeg ffmpeg ++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ]) ++ lib.optional enableEigen eigen ++ lib.optionals stdenv.isDarwin [ Cocoa QTKit ] ; nativeBuildInputs = [ cmake pkg-config unzip ]; NIX_CFLAGS_COMPILE = lib.optionalString enableEXR "-I${ilmbase.dev}/include/OpenEXR"; cmakeFlags = [ (opencvFlag "TIFF" enableTIFF) (opencvFlag "JPEG" enableJPEG) (opencvFlag "PNG" enablePNG) (opencvFlag "OPENEXR" enableEXR) (opencvFlag "GSTREAMER" enableGStreamer) ] ++ lib.optional (!enableUnfree) "-DBUILD_opencv_nonfree=OFF"; hardeningDisable = [ "bindnow" "relro" ]; # Fix pkg-config file that gets broken with multiple outputs postFixup = '' sed -i $dev/lib/pkgconfig/opencv.pc -e "s|includedir_old=.*|includedir_old=$dev/include/opencv|" sed -i $dev/lib/pkgconfig/opencv.pc -e "s|includedir_new=.*|includedir_new=$dev/include|" ''; meta = with lib; { description = "Open Computer Vision Library with more than 500 algorithms"; homepage = "https://opencv.org/"; license = if enableUnfree then licenses.unfree else licenses.bsd3; maintainers = with maintainers; [ ]; platforms = platforms.linux; }; }