Auto merge of #120543 - ehuss:macos-ninja, r=Mark-Simulacrum

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CI: Use ninja on apple builders

This switches the apple builders to use ninja when building LLVM. My hope is that this should resolve the timeouts we have been experiencing since December. My theory is that something in the image update from [Dec 20](dec20a5272) is causing an issue with our build (or, perhaps more remotely, some [update to LLVM itself](https://github.com/rust-lang/rust/commits/master/src/llvm-project)).

The symptoms are that during the LLVM build it just hangs just before the install step. The last thing it prints is `[100%] Built target llvm-reduce` and then just hangs. Normally the next part should be `Install the project...` where it starts installing LLVM. I'm able to reproduce this without too much difficulty. I've been testing ninja, and it seems to be working better (however, my test isn't quite equivalent, since I'm getting sccache misses, and I can't update the S3 bucket).

Installing ninja takes about 7 to 10 seconds, so it shouldn't impact things. I can't determine if it will affect the overall build timing due to not being able to test with a warm S3 cache.

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bors 2024-02-04 15:14:19 +00:00

parent e764f81c77 590a2adaaa

commit 1618aabdb9

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