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Update README.md.
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@ura14h
ura14h committed Jan 5, 2020
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Expand Up @@ -15,7 +15,7 @@ You can get OpenCV binary by following steps.

A binary version is available as it is.

1. Download `opencv-4.0.1-ios-framework.zip` from [https://github.com/opencv/opencv/releases/download/4.0.1/opencv-4.0.1-ios-framework.zip](https://github.com/opencv/opencv/releases/download/4.0.1/opencv-4.0.1-ios-framework.zip).
1. Download `opencv-4.2.0-ios-framework.zip` from [https://github.com/opencv/opencv/releases/download/4.2.0/opencv-4.2.0-ios-framework.zip](https://github.com/opencv/opencv/releases/download/4.2.0/opencv-4.2.0-ios-framework.zip).
2. Unpack the file.
3. Copy `opencv2.framework` into `OpenCVSample_iOS` directory.

Expand All @@ -24,24 +24,19 @@ A binary version is available as it is.
No binary version, so you need to build a source version.

1. Prepare CMake. (e.g. `brew install cmake`)
2. Download `opencv-4.0.1.zip` from [https://github.com/opencv/opencv/archive/4.0.1.zip](https://github.com/opencv/opencv/archive/4.0.1.zip).
2. Download `opencv-4.2.0.zip` from [https://github.com/opencv/opencv/archive/4.2.0.zip](https://github.com/opencv/opencv/archive/4.2.0.zip).
3. Prepare a working directory. (e.g. `mkdir ~/foo`)
4. Unpack the file into the working directory.
5. Open terminal at the working directory. (e.g. `cd ~/foo`)
6. *Oh! Xcode 10.2 cannot build OpenCV 4.0.1. You have to patch a build script in OpenCV.*
1. Open `opencv-4.0.1/platforms/osx/build_framework.py` with text editor such as Xcode, vi or Emacs.
2. Increase the number of `MACOSX_DEPLOYMENT_TARGET` from `10.9` to `10.12`.
3. Save the file.
> If you want to know detail of the issue, See also [https://github.com/opencv/opencv/issues/13759](https://github.com/opencv/opencv/issues/13759)
7. Run a build script by python 2. `python opencv-4.0.1/platforms/osx/build_framework.py osx`
8. Copy `osx/opencv2.framework` into `OpenCVSample_OSX` directory.
6. Run a build script by python 2. `python opencv-4.2.0/platforms/osx/build_framework.py osx`
8. Copy `osx/opencv2.framework` into `OpenCVSample_macOS` directory.


## Requirements

* macOS 10.14
* iOS 12.2
* Xcode 10.2
* macOS 10.15.2
* iOS 13.3
* Xcode 11.3
* Swift 5


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