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Update the minimum supported Rust version to 1.29.

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We no longer need the Ubuntu LTS restriction, so now the only only
constraint I'm aware of is Firefox's policy. Fortunately, that tracks
the latest stable delayed by only two weeks. So this puts is at
Rust 1.29 now.
This commit is contained in:
Dan Gohman
2018-10-24 09:33:13 -07:00
parent 5d9591d1ef
commit 62e55f63e6
3 changed files with 9 additions and 15 deletions
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9
cranelift/CONTRIBUTING.md
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@@ -75,17 +75,14 @@ which may be convenient when there are multiple versions installed.
### Rustc version support
Our current policy is to support the version of Rustc that ships with the
latest Ubuntu LTS release, as well as the current stable version. This means
we don't use some of the very latest released Rust features.
Cranelift supports stable Rust, and follows the
[Rust Update Policy for Firefox].
Some of the developer scripts depend on nightly Rust, for example to run
clippy and other tools, however we avoid depending on these for the main
build.
That said, if there are any new Rust features that would be particularly
valuable to use, please bring them up, as we may be able to find ways to
accommodate them.
[Rust Update Policy for Firefox]: https://wiki.mozilla.org/Rust_Update_Policy_for_Firefox#Schedule
### Python