homebrew-core/Formula/opencv.rb
2020-01-06 10:42:56 +01:00

122 lines
3.7 KiB
Ruby

class Opencv < Formula
desc "Open source computer vision library"
homepage "https://opencv.org/"
url "https://github.com/opencv/opencv/archive/4.2.0.tar.gz"
sha256 "9ccb2192d7e8c03c58fee07051364d94ed7599363f3b0dce1c5e6cc11c1bb0ec"
revision 1
bottle do
sha256 "472eb704dd3314e66ae8d891d935a6d3064d7456f2a523bb4fdb6b0eff3abd09" => :catalina
sha256 "f3b89894ec7d52ed32f6f8563d668037c0bd8f2aaa8ec83b05dbf8d1a43a2aee" => :mojave
sha256 "34d5dd7862daf84e586033fd9093602a82655b8959688547d9c97e4e8044bdc8" => :high_sierra
end
depends_on "cmake" => :build
depends_on "pkg-config" => :build
depends_on "ceres-solver"
depends_on "eigen"
depends_on "ffmpeg"
depends_on "glog"
depends_on "harfbuzz"
depends_on "jpeg"
depends_on "libpng"
depends_on "libtiff"
depends_on "numpy"
depends_on "openexr"
depends_on "python"
depends_on "tbb"
resource "contrib" do
url "https://github.com/opencv/opencv_contrib/archive/4.2.0.tar.gz"
sha256 "8a6b5661611d89baa59a26eb7ccf4abb3e55d73f99bb52d8f7c32265c8a43020"
end
def install
ENV.cxx11
resource("contrib").stage buildpath/"opencv_contrib"
# Reset PYTHONPATH, workaround for https://github.com/Homebrew/homebrew-science/pull/4885
ENV.delete("PYTHONPATH")
py3_config = `python3-config --configdir`.chomp
py3_include = `python3 -c "import distutils.sysconfig as s; print(s.get_python_inc())"`.chomp
py3_version = Language::Python.major_minor_version "python3"
args = std_cmake_args + %W[
-DCMAKE_OSX_DEPLOYMENT_TARGET=
-DBUILD_JASPER=OFF
-DBUILD_JPEG=ON
-DBUILD_OPENEXR=OFF
-DBUILD_PERF_TESTS=OFF
-DBUILD_PNG=OFF
-DBUILD_TESTS=OFF
-DBUILD_TIFF=OFF
-DBUILD_ZLIB=OFF
-DBUILD_opencv_hdf=OFF
-DBUILD_opencv_java=OFF
-DBUILD_opencv_text=ON
-DOPENCV_ENABLE_NONFREE=ON
-DOPENCV_EXTRA_MODULES_PATH=#{buildpath}/opencv_contrib/modules
-DOPENCV_GENERATE_PKGCONFIG=ON
-DWITH_1394=OFF
-DWITH_CUDA=OFF
-DWITH_EIGEN=ON
-DWITH_FFMPEG=ON
-DWITH_GPHOTO2=OFF
-DWITH_GSTREAMER=OFF
-DWITH_JASPER=OFF
-DWITH_OPENEXR=ON
-DWITH_OPENGL=OFF
-DWITH_QT=OFF
-DWITH_TBB=ON
-DWITH_VTK=OFF
-DBUILD_opencv_python2=OFF
-DBUILD_opencv_python3=ON
-DPYTHON3_EXECUTABLE=#{which "python3"}
-DPYTHON3_LIBRARY=#{py3_config}/libpython#{py3_version}.dylib
-DPYTHON3_INCLUDE_DIR=#{py3_include}
]
# The compiler on older Mac OS cannot build some OpenCV files using AVX2
# extensions, failing with errors such as
# "error: use of undeclared identifier '_mm256_cvtps_ph'"
# Work around this by not trying to build AVX2 code.
if MacOS.version <= :yosemite
args << "-DCPU_DISPATCH=SSE4_1,SSE4_2,AVX"
end
args << "-DENABLE_AVX=OFF" << "-DENABLE_AVX2=OFF"
unless MacOS.version.requires_sse42?
args << "-DENABLE_SSE41=OFF" << "-DENABLE_SSE42=OFF"
end
mkdir "build" do
system "cmake", "..", *args
system "make"
system "make", "install"
system "make", "clean"
system "cmake", "..", "-DBUILD_SHARED_LIBS=OFF", *args
system "make"
lib.install Dir["lib/*.a"]
lib.install Dir["3rdparty/**/*.a"]
end
end
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++11", "test.cpp", "-I#{include}/opencv4",
"-o", "test"
assert_equal `./test`.strip, version.to_s
output = shell_output("python3 -c 'import cv2; print(cv2.__version__)'")
assert_equal version.to_s, output.chomp
end
end