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Apr 21, 2024
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Enhanced macOS Package Documentation #494

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22a5425
improving docs for macOS
aaqidmasoodi Sep 9, 2023
3dadf64
updating readme.md
aaqidmasoodi Sep 9, 2023
6cf3cbb
deleted readme.md
aaqidmasoodi Sep 9, 2023
e89bfa0
Docs update: updated the macOS Package section
aaqidmasoodi Sep 9, 2023
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Expand Up @@ -97,6 +97,29 @@ Get OpenCV from homebrew:
--install`), XCode (from AppStore) or `llvm` (from Brew). You most probably need to also check the item 7 of the
troubleshooting below.

Get llvm from homebrew
```shell script
brew install llvm
```

If you have already installed OpenCV via Homebrew, there is no need to configure any environment variables specifically for OpenCV on macOS. The OpenCV installation can be automatically detected if it was installed through Homebrew.

To take advantage of this automatic detection, refrain from setting the following environment variables:

`OPENCV_LINK_LIBS`, `OPENCV_LINK_PATHS`, and `OPENCV_INCLUDE_PATHS`.

However, make sure you have configured the following environment variables:

`DYLD_FALLBACK_LIBRARY_PATH`, `LDFLAGS` and `LD_LIBRARY_PATH`.

If you have not made any custom changes to your installation, the following settings should work for your setup:

```
export DYLD_FALLBACK_LIBRARY_PATH="$(xcode-select --print-path)/Toolchains/XcodeDefault.xctoolchain/usr/lib/"
export LDFLAGS=-L/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib
export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/usr/local/lib
```

### Manual build

You can of course always compile OpenCV of the version you prefer manually. This is also supported, but it
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