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{ lib, stdenv, fetchurl, fetchpatch, fetchFromGitHub, cmake, pkgconfig, unzip, zlib
, enableJPEG ? true, libjpeg
, enablePNG ? true, libpng
, enableTIFF ? true, libtiff
, enableWebP ? true, libwebp
, enableEXR ? (!stdenv.isDarwin), openexr, ilmbase
, enableJPEG2K ? true, jasper
, enableIpp ? false
, enableContrib ? false, protobuf3_1
, enablePython ? false, pythonPackages
, enableGtk2 ? false, gtk2
, enableGtk3 ? false, gtk3
, enableFfmpeg ? false, ffmpeg
, enableGStreamer ? false, gst_all_1
, enableEigen ? false, eigen
, enableOpenblas ? false, openblas
, enableCuda ? false, cudatoolkit, gcc5
, AVFoundation, Cocoa, QTKit
}:
let
version = "3.2.0";
src = fetchFromGitHub {
owner = "opencv";
repo = "opencv";
rev = version;
sha256 = "0f59g0dvhp5xg1xa3r4lp351a7x0k03i77ylgcf69ns3y47qd16p";
};
contribSrc = fetchFromGitHub {
owner = "opencv";
repo = "opencv_contrib";
rev = version;
sha256 = "1lynpbxz1jay3ya5y45zac5v8c6ifgk4ssn8d1chfdk3spi691jj";
};
# This fixes the build on OS X.
# See: https://github.com/opencv/opencv_contrib/pull/926
contribOSXFix = fetchpatch {
url = "https://github.com/opencv/opencv_contrib/commit/abf44fcccfe2f281b7442dac243e37b7f436d961.patch";
sha256 = "11dsq8dwh1k6f7zglbc26xwsjw184ggf2531mhf7v77kd72k19fm";
};
vggFiles = fetchFromGitHub {
owner = "opencv";
repo = "opencv_3rdparty";
rev = "fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d";
sha256 = "0r9fam8dplyqqsd3qgpnnfgf9l7lj44di19rxwbm8mxiw0rlcdvy";
};
bootdescFiles = fetchFromGitHub {
owner = "opencv";
repo = "opencv_3rdparty";
rev = "34e4206aef44d50e6bbcd0ab06354b52e7466d26";
sha256 = "13yig1xhvgghvxspxmdidss5lqiikpjr0ddm83jsi0k85j92sn62";
};
opencvFlag = name: enabled: "-DWITH_${name}=${if enabled then "ON" else "OFF"}";
in
stdenv.mkDerivation rec {
name = "opencv-${version}";
inherit version src;
postUnpack =
(lib.optionalString enableContrib ''
cp --no-preserve=mode -r "${contribSrc}/modules" "$NIX_BUILD_TOP/opencv_contrib"
# This fixes the build on OS X.
patch -d "$NIX_BUILD_TOP/opencv_contrib" -p2 < "${contribOSXFix}"
for name in vgg_generated_48.i \
vgg_generated_64.i \
vgg_generated_80.i \
vgg_generated_120.i; do
ln -s "${vggFiles}/$name" "$NIX_BUILD_TOP/opencv_contrib/xfeatures2d/src/$name"
done
for name in boostdesc_bgm.i \
boostdesc_bgm_bi.i \
boostdesc_bgm_hd.i \
boostdesc_binboost_064.i \
boostdesc_binboost_128.i \
boostdesc_binboost_256.i \
boostdesc_lbgm.i; do
ln -s "${bootdescFiles}/$name" "$NIX_BUILD_TOP/opencv_contrib/xfeatures2d/src/$name"
done
'');
# This prevents cmake from using libraries in impure paths (which
# causes build failure on non NixOS)
# Also, work around https://github.com/NixOS/nixpkgs/issues/26304 with
# what appears to be some stray headers in dnn/misc/tensorflow
# in contrib when generating the Python bindings:
postPatch = ''
sed -i '/Add these standard paths to the search paths for FIND_LIBRARY/,/^\s*$/{d}' CMakeLists.txt
sed -i -e 's|if len(decls) == 0:|if len(decls) == 0 or "opencv2/" not in hdr:|' ./modules/python/src2/gen2.py
'';
preConfigure =
(let version = "20151201";
md5 = "808b791a6eac9ed78d32a7666804320e";
sha256 = "1nph0w0pdcxwhdb5lxkb8whpwd9ylvwl97hn0k425amg80z86cs3";
rev = "81a676001ca8075ada498583e4166079e5744668";
platform = if stdenv.system == "x86_64-linux" || stdenv.system == "i686-linux" then "linux"
else throw "ICV is not available for this platform (or not yet supported by this package)";
name = "ippicv_${platform}_${version}.tgz";
ippicv = fetchurl {
url = "https://raw.githubusercontent.com/opencv/opencv_3rdparty/${rev}/ippicv/${name}";
inherit sha256;
};
dir = "3rdparty/ippicv/downloads/${platform}-${md5}";
in lib.optionalString enableIpp ''
mkdir -p "${dir}"
ln -s "${ippicv}" "${dir}/${name}"
''
) +
(lib.optionalString enableContrib ''
cmakeFlagsArray+=("-DOPENCV_EXTRA_MODULES_PATH=$NIX_BUILD_TOP/opencv_contrib")
'');
buildInputs =
[ zlib ]
++ lib.optional enablePython pythonPackages.python
++ lib.optional enableGtk2 gtk2
++ lib.optional enableGtk3 gtk3
++ lib.optional enableJPEG libjpeg
++ lib.optional enablePNG libpng
++ lib.optional enableTIFF libtiff
++ lib.optional enableWebP libwebp
++ lib.optionals enableEXR [ openexr ilmbase ]
++ lib.optional enableJPEG2K jasper
++ lib.optional enableFfmpeg ffmpeg
++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ])
++ lib.optional enableEigen eigen
++ lib.optional enableOpenblas openblas
++ lib.optionals enableCuda [ cudatoolkit gcc5 ]
++ lib.optional enableContrib protobuf3_1
++ lib.optionals stdenv.isDarwin [ AVFoundation Cocoa QTKit ];
propagatedBuildInputs = lib.optional enablePython pythonPackages.numpy;
nativeBuildInputs = [ cmake pkgconfig unzip ];
NIX_CFLAGS_COMPILE = lib.optional enableEXR "-I${ilmbase.dev}/include/OpenEXR";
cmakeFlags = [
"-DWITH_IPP=${if enableIpp then "ON" else "OFF"} -DWITH_OPENMP=ON"
(opencvFlag "TIFF" enableTIFF)
(opencvFlag "JASPER" enableJPEG2K)
(opencvFlag "WEBP" enableWebP)
(opencvFlag "JPEG" enableJPEG)
(opencvFlag "PNG" enablePNG)
(opencvFlag "OPENEXR" enableEXR)
(opencvFlag "CUDA" enableCuda)
(opencvFlag "CUBLAS" enableCuda)
] ++ lib.optionals enableCuda [ "-DCUDA_FAST_MATH=ON" ]
++ lib.optional enableContrib "-DBUILD_PROTOBUF=off"
++ lib.optionals stdenv.isDarwin ["-DWITH_OPENCL=OFF" "-DWITH_LAPACK=OFF"];
enableParallelBuilding = true;
hardeningDisable = [ "bindnow" "relro" ];
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 mdaiter];
platforms = with stdenv.lib.platforms; linux ++ darwin;
};
}
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