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opencv: Add optional Tesseract support

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This commit is contained in:
Chris Hodapp 2017-06-28 10:19:01 -04:00
parent f732d81641
commit c27f692de6
1 changed files with 12 additions and 4 deletions
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16
pkgs/development/libraries/opencv/3.x.nix
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@ -17,6 +17,7 @@
, enableEigen ? false, eigen , enableEigen ? false, eigen
, enableOpenblas ? false, openblas , enableOpenblas ? false, openblas
, enableCuda ? false, cudatoolkit, gcc5 , enableCuda ? false, cudatoolkit, gcc5
, enableTesseract ? false, tesseract, leptonica
, AVFoundation, Cocoa, QTKit , AVFoundation, Cocoa, QTKit
}: }:
@ -44,6 +45,9 @@ let
sha256 = "11dsq8dwh1k6f7zglbc26xwsjw184ggf2531mhf7v77kd72k19fm"; sha256 = "11dsq8dwh1k6f7zglbc26xwsjw184ggf2531mhf7v77kd72k19fm";
}; };
# Contrib must be built in order to enable Tesseract support:
buildContrib = enableContrib || enableTesseract;
vggFiles = fetchFromGitHub { vggFiles = fetchFromGitHub {
owner = "opencv"; owner = "opencv";
repo = "opencv_3rdparty"; repo = "opencv_3rdparty";
@ -66,7 +70,7 @@ stdenv.mkDerivation rec {
inherit version src; inherit version src;
postUnpack = postUnpack =
(lib.optionalString enableContrib '' (lib.optionalString buildContrib ''
cp --no-preserve=mode -r "${contribSrc}/modules" "$NIX_BUILD_TOP/opencv_contrib" cp --no-preserve=mode -r "${contribSrc}/modules" "$NIX_BUILD_TOP/opencv_contrib"
# This fixes the build on OS X. # This fixes the build on OS X.
@ -118,7 +122,7 @@ stdenv.mkDerivation rec {
ln -s "${ippicv}" "${dir}/${name}" ln -s "${ippicv}" "${dir}/${name}"
'' ''
) + ) +
(lib.optionalString enableContrib '' (lib.optionalString buildContrib ''
cmakeFlagsArray+=("-DOPENCV_EXTRA_MODULES_PATH=$NIX_BUILD_TOP/opencv_contrib") cmakeFlagsArray+=("-DOPENCV_EXTRA_MODULES_PATH=$NIX_BUILD_TOP/opencv_contrib")
''); '');
@ -137,8 +141,12 @@ stdenv.mkDerivation rec {
++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ]) ++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ])
++ lib.optional enableEigen eigen ++ lib.optional enableEigen eigen
++ lib.optional enableOpenblas openblas ++ lib.optional enableOpenblas openblas
# There is seemingly no compile-time flag for Tesseract. It's
# simply enabled automatically if contrib is built, and it detects
# tesseract & leptonica.
++ lib.optionals enableTesseract [ tesseract leptonica ]
++ lib.optionals enableCuda [ cudatoolkit gcc5 ] ++ lib.optionals enableCuda [ cudatoolkit gcc5 ]
++ lib.optional enableContrib protobuf3_1 ++ lib.optional buildContrib protobuf3_1
++ lib.optionals stdenv.isDarwin [ AVFoundation Cocoa QTKit ]; ++ lib.optionals stdenv.isDarwin [ AVFoundation Cocoa QTKit ];
propagatedBuildInputs = lib.optional enablePython pythonPackages.numpy; propagatedBuildInputs = lib.optional enablePython pythonPackages.numpy;
@ -158,7 +166,7 @@ stdenv.mkDerivation rec {
(opencvFlag "CUDA" enableCuda) (opencvFlag "CUDA" enableCuda)
(opencvFlag "CUBLAS" enableCuda) (opencvFlag "CUBLAS" enableCuda)
] ++ lib.optionals enableCuda [ "-DCUDA_FAST_MATH=ON" ] ] ++ lib.optionals enableCuda [ "-DCUDA_FAST_MATH=ON" ]
++ lib.optional enableContrib "-DBUILD_PROTOBUF=off" ++ lib.optional buildContrib "-DBUILD_PROTOBUF=off"
++ lib.optionals stdenv.isDarwin ["-DWITH_OPENCL=OFF" "-DWITH_LAPACK=OFF"]; ++ lib.optionals stdenv.isDarwin ["-DWITH_OPENCL=OFF" "-DWITH_LAPACK=OFF"];
enableParallelBuilding = true; enableParallelBuilding = true;