Add custom macOS Swift toolchain support #214
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This allows you to pass `--define=SWIFT_CUSTOM_TOOLCHAIN=toolchain.id` to specify a custom swift toolchain like the ones downloaded from https://swift.org/download/#snapshots to use.
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I'm not exactly sure where in the current docs structure to add this, thoughts? |
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Maybe add something like this in README.md above the Future Work section? ## Building with Custom Toolchains
**macOS hosts:** You can build with a custom toolchain installed in
`/Library/Developer/Toolchains` instead of Xcode's default. To do so, pass the
following flag to Bazel:
```
--define=SWIFT_CUSTOM_TOOLCHAIN=toolchain.id
```
where `toolchain.id` is the value of the `CFBundleIdentifier` key in the
toolchain's Info.plist file.
**Linux hosts:** At this time, Bazel uses whichever `swift` executable is
encountered first on your `PATH`. |
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Updated with that blurb |
swiple-rules-gardener
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PiperOrigin-RevId: 246558164
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This allows you to pass
--define=SWIFT_CUSTOM_TOOLCHAIN=toolchain.idto specify a custom swift toolchain like the ones downloaded from
https://swift.org/download/#snapshots to use.