homebrew-core/Formula/opencv.rb
2019-01-24 14:22:13 +00:00

128 lines
4 KiB
Ruby

class Opencv < Formula
desc "Open source computer vision library"
homepage "https://opencv.org/"
url "https://github.com/opencv/opencv/archive/4.0.1.tar.gz"
sha256 "7b86a0ee804244e0c407321f895b15e4a7162e9c5c0d2efc85f1cadec4011af4"
bottle do
sha256 "73f03c0b70646230276817b41cb8b3901008cffd88350309b008d19285e4a7cf" => :mojave
sha256 "5c384dfe3fc7bfa405aac1e25dfc384afb2084030153b195c24581ddac1d39ec" => :high_sierra
sha256 "8fb8cf21b549e1f603fc108fd8fee886501a377692feb27f703a629217b47dc0" => :sierra
end
depends_on "cmake" => :build
depends_on "pkg-config" => :build
depends_on "eigen"
depends_on "ffmpeg"
depends_on "jpeg"
depends_on "libpng"
depends_on "libtiff"
depends_on "numpy"
depends_on "openexr"
depends_on "python"
depends_on "python@2"
depends_on "tbb"
resource "contrib" do
url "https://github.com/opencv/opencv_contrib/archive/4.0.1.tar.gz"
sha256 "0d8acbad4b7074cfaafd906a7419c23629179d5e98894714402090b192ef8237"
end
def install
ENV.cxx11
ENV.prepend_path "PATH", Formula["python@2"].opt_libexec/"bin"
resource("contrib").stage buildpath/"opencv_contrib"
# Reset PYTHONPATH, workaround for https://github.com/Homebrew/homebrew-science/pull/4885
ENV.delete("PYTHONPATH")
py2_prefix = `python2-config --prefix`.chomp
py2_lib = "#{py2_prefix}/lib"
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=OFF
-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=ON
-DBUILD_opencv_python3=ON
-DPYTHON2_EXECUTABLE=#{which "python"}
-DPYTHON2_LIBRARY=#{py2_lib}/libpython2.7.dylib
-DPYTHON2_INCLUDE_DIR=#{py2_prefix}/include/python2.7
-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
if build.bottle?
args += %w[-DENABLE_SSE41=OFF -DENABLE_SSE42=OFF -DENABLE_AVX=OFF
-DENABLE_AVX2=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
["python2.7", "python3"].each do |python|
output = shell_output("#{python} -c 'import cv2; print(cv2.__version__)'")
assert_equal version.to_s, output.chomp
end
end
end