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nixpkgs/pkgs/development/libraries/opencv/default.nix
Alyssa Ross d69583c6c2 opencv2: don't build unfree libraries by default
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.
2021-09-29 13:39:52 +00:00

91 lines
2.8 KiB
Nix

{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, unzip
, zlib
, enablePython ? false, pythonPackages
, 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*$/{d}' CMakeLists.txt
'';
outputs = [ "out" "dev" ];
buildInputs =
[ zlib ]
++ lib.optional enablePython pythonPackages.python
++ lib.optional enableGtk2 gtk2
++ lib.optional enableJPEG libjpeg
++ lib.optional enablePNG libpng
++ lib.optional enableTIFF libtiff
++ lib.optionals enableEXR [ openexr ilmbase ]
++ lib.optional enableFfmpeg ffmpeg
++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ])
++ lib.optional enableEigen eigen
++ lib.optionals stdenv.isDarwin [ Cocoa QTKit ]
;
propagatedBuildInputs = lib.optional enablePython pythonPackages.numpy;
nativeBuildInputs = [ cmake pkg-config unzip ];
NIX_CFLAGS_COMPILE = lib.optionalString enableEXR "-I${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|"
'';
passthru = lib.optionalAttrs enablePython { pythonPath = []; };
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;
};
}