incr.comp.: Make cross-crate tracking for incr. comp. opt-in. #39281
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@bors r+ |
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📌 Commit 197f037 has been approved by |
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Jan 27, 2017
…ikomatsakis incr.comp.: Make cross-crate tracking for incr. comp. opt-in. The current implementation of cross-crate dependency tracking can cause quite long compile times and high memory usage for some crates (see #39208 for example). This PR therefore makes that part of dependency tracking optional. Incremental compilation still works, it will only have very coarse dep-tracking for upstream crates. r? @nikomatsakis
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☀️ Test successful - status-appveyor, status-travis |
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The current implementation of cross-crate dependency tracking can cause quite long compile times and high memory usage for some crates (see #39208 for example). This PR therefore makes that part of dependency tracking optional. Incremental compilation still works, it will only have very coarse dep-tracking for upstream crates.
r? @nikomatsakis