1 Installation in iOS {#tutorial_ios_install}
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10 - CMake 2.8.8 or higher
13 ### Getting the Cutting-edge OpenCV from Git Repository
15 Launch Git client and clone OpenCV repository from [GitHub](http://github.com/opencv/opencv).
17 In MacOS it can be done using the following command in Terminal:
20 cd ~/<my_working _directory>
21 git clone https://github.com/opencv/opencv.git
24 If you want to install OpenCV’s extra modules, clone the opencv_contrib repository as well:
27 cd ~/<my_working _directory>
28 git clone https://github.com/opencv/opencv_contrib.git
32 Building OpenCV from Source, using CMake and Command Line
33 ---------------------------------------------------------
35 1. Make sure the xcode command line tools are installed:
37 xcode-select --install
40 2. Build OpenCV framework:
42 cd ~/<my_working_directory>
43 python opencv/platforms/ios/build_framework.py ios
46 3. To install OpenCV’s extra modules, append `--contrib opencv_contrib` to the python command above. **Note:** the extra modules are not included in the iOS Pack download at [OpenCV Releases](https://opencv.org/releases/). If you want to use the extra modules (e.g. aruco), you must build OpenCV yourself and include this option:
48 cd ~/<my_working_directory>
49 python opencv/platforms/ios/build_framework.py ios --contrib opencv_contrib
52 4. To exclude a specific module, append `--without <module_name>`. For example, to exclude the "optflow" module from opencv_contrib:
54 cd ~/<my_working_directory>
55 python opencv/platforms/ios/build_framework.py ios --contrib opencv_contrib --without optflow
58 5. The build process can take a significant amount of time. Currently (OpenCV 3.4 and 4.1), five separate architectures are built: armv7, armv7s, and arm64 for iOS plus i386 and x86_64 for the iPhone simulator. If you want to specify the architectures to include in the framework, use the `--iphoneos_archs` and/or `--iphonesimulator_archs` options. For example, to only build arm64 for iOS and x86_64 for the simulator:
60 cd ~/<my_working_directory>
61 python opencv/platforms/ios/build_framework.py ios --contrib opencv_contrib --iphoneos_archs arm64 --iphonesimulator_archs x86_64
64 If everything’s fine, the build process will create
65 `~/<my_working_directory>/ios/opencv2.framework`. You can add this framework to your Xcode projects.
70 You can find several OpenCV+iOS tutorials here @ref tutorial_table_of_content_ios.