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Add instructions for building Universal2 on macOS via CMake #3568

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Mar 28, 2023
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Add instructions for building Universal2 on macOS via CMake #3568

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Add instructions for building Universal2 on macOS via CMake
rickmark Mar 22, 2023
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Add instructions for building Universal2 on macOS via CMake
rickmark Mar 22, 2023
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Merge branch 'readme_cmake_fat' of github.com:facebook/zstd into read…
rickmark Mar 23, 2023
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Update README.md
Cyan4973 Mar 27, 2023
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12 changes: 12 additions & 0 deletions README.md
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Expand Up @@ -154,6 +154,18 @@ to create `zstd` binary, and `libzstd` dynamic and static libraries.

By default, `CMAKE_BUILD_TYPE` is set to `Release`.

#### Support for Fat (Universal2) Output

`zstd` can be built and installed with support for both Apple Silicon (M1/M2) as well as Intel by using CMake's Universal2 support.
To perform a Fat/Universal2 build and install use the following commands:

```bash
cmake -B build-cmake-debug -S build/cmake -G Ninja -DCMAKE_OSX_ARCHITECTURES="x86_64;x86_64h;arm64;arm64e"
cd build-cmake-debug
ninja build
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note: ninja build will fail here : ninja: error: unknown target 'build'.

I think what you mean is ninja (only), this will employ the default target, which is the release build of both the library and CLI.

sudo ninja install
```

### Meson

A Meson project is provided within [`build/meson`](build/meson). Follow
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