1 files changed, 89 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/opencv/default.nix b/nixpkgs/pkgs/development/libraries/opencv/default.nix
new file mode 100644
index 000000000000..2575f6bb45d5
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/opencv/default.nix
@@ -0,0 +1,89 @@
+{ 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_3
+, enableGStreamer ? false, gst_all_1
+, enableEigen ? true, eigen
+, 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*$/{d}' CMakeLists.txt
+  '';
+
+  outputs = [ "out" "dev" ];
+
+  buildInputs =
+       [ zlib ]
+    ++ lib.optional enablePython pythonPackages.python
+    ++ lib.optional enableGtk2 gtk2
+    ++ lib.optional enableJPEG libjpeg
+    ++ lib.optional enablePNG libpng
+    ++ lib.optional enableTIFF libtiff
+    ++ lib.optionals enableEXR [ openexr ilmbase ]
+    ++ lib.optional enableFfmpeg ffmpeg_3
+    ++ lib.optionals enableGStreamer (with gst_all_1; [ gstreamer gst-plugins-base ])
+    ++ lib.optional enableEigen eigen
+    ++ lib.optionals stdenv.isDarwin [ Cocoa QTKit ]
+    ;
+
+  propagatedBuildInputs = lib.optional enablePython pythonPackages.numpy;
+
+  nativeBuildInputs = [ cmake pkg-config unzip ];
+
+  NIX_CFLAGS_COMPILE = lib.optionalString enableEXR "-I${ilmbase.dev}/include/OpenEXR";
+
+  cmakeFlags = [
+    (opencvFlag "TIFF" enableTIFF)
+    (opencvFlag "JPEG" enableJPEG)
+    (opencvFlag "PNG" enablePNG)
+    (opencvFlag "OPENEXR" enableEXR)
+    (opencvFlag "GSTREAMER" enableGStreamer)
+  ];
+
+  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 = licenses.bsd3;
+    maintainers = with maintainers; [ ];
+    platforms = platforms.linux;
+  };
+}