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d69583c6c2
In opencv 2.x, unfree libraries are built by default. The package should therefore have been marked as unfree, but wasn't. I've disabled the non-free libraries by default, and added an option to enable them. There are three programs in Nixpkgs that depend on opencv2: mathematica, pfstools, and p2pvc. pfstools requires the non-free libraries if it's built with opencv support, so I've disabled opencv by default there and added an option to enable it. p2pvc links fine, so presumably doesn't need the non-free libraries. I can't test mathematica, so I'm just going to leave it alone.
91 lines
2.8 KiB
Nix
91 lines
2.8 KiB
Nix
{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, unzip
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, zlib
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, enablePython ? false, pythonPackages
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, enableGtk2 ? false, gtk2
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, enableJPEG ? true, libjpeg
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, enablePNG ? true, libpng
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, enableTIFF ? true, libtiff
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, enableEXR ? (!stdenv.isDarwin), openexr, ilmbase
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, enableFfmpeg ? false, ffmpeg
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, enableGStreamer ? false, gst_all_1
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, enableEigen ? true, eigen
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, enableUnfree ? false
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, Cocoa, QTKit
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}:
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let
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opencvFlag = name: enabled: "-DWITH_${name}=${if enabled then "ON" else "OFF"}";
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in
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stdenv.mkDerivation rec {
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pname = "opencv";
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version = "2.4.13.7";
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src = fetchFromGitHub {
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owner = "opencv";
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repo = "opencv";
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rev = version;
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sha256 = "062js7zhh4ixi2wk61wyi23qp9zsk5vw24iz2i5fab2hp97y5zq3";
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};
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patches =
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[ # Don't include a copy of the CMake status output in the
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# build. This causes a runtime dependency on GCC.
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./no-build-info.patch
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];
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# This prevents cmake from using libraries in impure paths (which causes build failure on non NixOS)
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postPatch = ''
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sed -i '/Add these standard paths to the search paths for FIND_LIBRARY/,/^\s*$/{d}' CMakeLists.txt
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'';
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outputs = [ "out" "dev" ];
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buildInputs =
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[ zlib ]
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++ lib.optional enablePython pythonPackages.python
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++ lib.optional enableGtk2 gtk2
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++ lib.optional enableJPEG libjpeg
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++ lib.optional enablePNG libpng
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++ lib.optional enableTIFF libtiff
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++ lib.optionals enableEXR [ openexr ilmbase ]
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++ lib.optional enableFfmpeg ffmpeg
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++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ])
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++ lib.optional enableEigen eigen
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++ lib.optionals stdenv.isDarwin [ Cocoa QTKit ]
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;
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propagatedBuildInputs = lib.optional enablePython pythonPackages.numpy;
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nativeBuildInputs = [ cmake pkg-config unzip ];
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NIX_CFLAGS_COMPILE = lib.optionalString enableEXR "-I${ilmbase.dev}/include/OpenEXR";
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cmakeFlags = [
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(opencvFlag "TIFF" enableTIFF)
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(opencvFlag "JPEG" enableJPEG)
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(opencvFlag "PNG" enablePNG)
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(opencvFlag "OPENEXR" enableEXR)
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(opencvFlag "GSTREAMER" enableGStreamer)
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] ++ lib.optional (!enableUnfree) "-DBUILD_opencv_nonfree=OFF";
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hardeningDisable = [ "bindnow" "relro" ];
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# Fix pkg-config file that gets broken with multiple outputs
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postFixup = ''
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sed -i $dev/lib/pkgconfig/opencv.pc -e "s|includedir_old=.*|includedir_old=$dev/include/opencv|"
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sed -i $dev/lib/pkgconfig/opencv.pc -e "s|includedir_new=.*|includedir_new=$dev/include|"
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'';
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passthru = lib.optionalAttrs enablePython { pythonPath = []; };
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meta = with lib; {
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description = "Open Computer Vision Library with more than 500 algorithms";
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homepage = "https://opencv.org/";
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license = if enableUnfree then licenses.unfree else licenses.bsd3;
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maintainers = with maintainers; [ ];
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platforms = platforms.linux;
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};
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}
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