From cda721a97fec79bbe69aa476075369db61fb9407 Mon Sep 17 00:00:00 2001 From: onur-ozkan Date: Wed, 4 Jun 2025 15:16:57 +0300 Subject: [PATCH] document `skip-std-check-if-no-download-rustc` in rustc-dev-guide Signed-off-by: onur-ozkan --- src/building/suggested.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/building/suggested.md b/src/building/suggested.md index 76c39608..bfb2f4d1 100644 --- a/src/building/suggested.md +++ b/src/building/suggested.md @@ -59,6 +59,14 @@ always overrides the inner ones. ## Configuring `rust-analyzer` for `rustc` +### Checking the "library" tree + +Checking the "library" tree requires a stage1 compiler, which can be a heavy process on some computers. +For this reason, bootstrap has a flag called `--skip-std-check-if-no-download-rustc` that skips checking the +"library" tree if `rust.download-rustc` isn't available. If you want to avoid putting a heavy load on your computer +with `rust-analyzer`, you can add the `--skip-std-check-if-no-download-rustc` flag to your `./x check` command in +the `rust-analyzer` configuration. + ### Project-local rust-analyzer setup `rust-analyzer` can help you check and format your code whenever you save a