There are releases at but do NOT use those to try to bootstrap - the tarballs are much smaller, various essential parts are missing. The only real benefit of looking at releases there is that it's possible to see the versions.

The source needs to be downloaded from as rustc-<VERSION>-src.tar.gz : this site is NOT searchable.

Building newer versions

Firefox-97 will need at least rustc-1.57.0. That version would need an amended sed to force the correct (rust) curl and curl-sys crates (not tested). Using rustc-1.58.0 picks up new enough crates and works. However, there are a lot more test failures (in the absence of gdb, only one failure is not in 'assembly'), as with 1.56 these seem to be caused by the tests using -Werror.

Building with the shipped llvm

This should always be reliable, but the build is a lot slower than with system llvm.

The changes in config.toml to use shipped llvm are:

  1. Comment out link-shared = true
  2. Remove the [target-...] sections with their pointers to llvm-config.


Last modified 9 months ago Last modified on 01/16/2022 09:40:16 PM
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