Use system rustc if configured with --enable-local-rust #16321
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This commit makes the configuration system autodetect a rustc that is already installed and use that instead of downloading a snapshot.
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Thanks! |
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How often would we expect a stage0 build with the local install to actually work? |
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I've not had to update any of my Rust CI libraries for more than 2 weeks (as a measure of stability), so this is possibly actually becoming reasonable (in the sense that there's a wider range of rustc's that can compile any given piece of code; although rust-lang/rust is a special case in this respect). |
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The stage 0 build's more breakable than downstream libraries - wouldn't any |
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This commit makes the configuration system autodetect a `rustc` that is already installed and use that instead of downloading a snapshot.
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This commit makes the configuration system autodetect a
rustcthatis already installed and use that instead of downloading a snapshot.