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opencv-maa: a minimal OpenCV build for MAA
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| class OpencvMaa < Formula | ||
| desc "Minimal OpenCV build use by MAA" | ||
| homepage "https://opencv.org/" | ||
| url "https://github.com/opencv/opencv/archive/refs/tags/4.9.0.tar.gz" | ||
| sha256 "ddf76f9dffd322c7c3cb1f721d0887f62d747b82059342213138dc190f28bc6c" | ||
| license "Apache-2.0" | ||
|
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||
| livecheck do | ||
| url :stable | ||
| regex(/^v?(\d+(?:\.\d+)+)$/i) | ||
| end | ||
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| depends_on "cmake" => :build | ||
| depends_on "eigen" => :build | ||
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| depends_on "jpeg-turbo" | ||
| depends_on "libpng" | ||
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| uses_from_macos "zlib" | ||
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| on_linux do | ||
| depends_on "ffmpeg@6" | ||
| end | ||
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| conflicts_with "opencv", { because: "this is a minimal build of OpenCV" } | ||
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| def install | ||
| # Remove bundled libraries to make sure formula dependencies are used | ||
| libdirs = %w[ffmpeg libjasper libjpeg libjpeg-turbo libpng libtiff libwebp openexr openjpeg protobuf tbb zlib] | ||
| libdirs.each { |l| (buildpath/"3rdparty"/l).rmtree } | ||
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| cmake_args = %W[ | ||
| -DCMAKE_CXX_STANDARD=17 | ||
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| -DBUILD_LIST=core,imgproc,imgcodecs,videoio | ||
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| -DBUILD_ZLIB=OFF | ||
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| -DWITH_EIGEN=ON | ||
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| -DWITH_PNG=ON | ||
| -DBUILD_PNG=OFF | ||
| -DWITH_JPEG=ON | ||
| -DBUILD_JPEG=OFF | ||
| -DWITH_TIFF=OFF | ||
| -DWITH_WEBP=OFF | ||
| -DWITH_OPENJPEG=OFF | ||
| -DWITH_JASPER=OFF | ||
| -DWITH_OPENEXR=OFF | ||
|
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| -DWITH_FFMPEG=#{OS.linux? ? "ON" : "OFF"} | ||
| -DWITH_V4L=OFF | ||
| -DWITH_GSTREAMER=OFF | ||
| -DWITH_DSHOW=OFF | ||
| -DWITH_1394=OFF | ||
|
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| -DWITH_CUDA=OFF | ||
|
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| -DWITH_PROTOBUF=OFF | ||
| -DBUILD_opencv_python3=OFF | ||
| ] | ||
|
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| # HACK: avoid opencv install data | ||
| cmake_args << "-DOPENCV_OTHER_INSTALL_PATH=#{buildpath}/tmp" | ||
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| if OS.linux? | ||
| cmake_args += %W[ | ||
| -DPNG_LIBRARY=#{Formula["libpng"].opt_lib}/libpng.so | ||
| -DJPEG_LIBRARY=#{Formula["jpeg-turbo"].opt_lib}/libjpeg.so | ||
| -DZLIB_LIBRARY=#{Formula["zlib"].opt_lib}/libz.so | ||
| ] | ||
| end | ||
|
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| system "cmake", "-S", ".", "-B", "build", *cmake_args, *std_cmake_args | ||
| inreplace "build/modules/core/version_string.inc", "#{Superenv.shims_path}/", "" | ||
| system "cmake", "--build", "build" | ||
| system "cmake", "--install", "build" | ||
| end | ||
|
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| test do | ||
| (testpath/"test.cpp").write <<~EOS | ||
| #include <opencv2/opencv.hpp> | ||
| #include <iostream> | ||
| int main() { | ||
| std::cout << CV_VERSION << std::endl; | ||
| return 0; | ||
| } | ||
| EOS | ||
| system ENV.cxx, "-std=c++17", "test.cpp", "-I#{include}/opencv4", "-o", "test" | ||
| assert_equal shell_output("./test").strip, version.to_s | ||
| end | ||
| end | ||
