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Rust
====
Rust Subproject Names
---------------------
All Rust subprojects should follow the convention ``NAME-SEMVER-rs``,
where ``SEMVER`` is the version up to and including the first nonzero
component. For example, ``zerocopy-0.8.13`` becomes ``zerocopy-0.8-rs``,
whereas ``syn-2.0.66`` becomes ``syn-2-rs``.
Rust Update Policy
------------------
Given that for some distributions it's not feasible to keep up with the
pace of Rust, we promise to only bump the minimum required Rust version
following those rules:
- Only up to the Rust requirement of other major Linux desktop
components, e.g.:
- `Firefox ESR <https://whattrainisitnow.com/release/?version=esr>`__:
`Minimum Supported Rust Version:
<https://firefox-source-docs.mozilla.org/writing-rust-code/update-policy.html#schedule>`__
- latest `Linux Kernel Rust requirement
<https://docs.kernel.org/process/changes.html#current-minimal-requirements>`__
- Only require a newer Rust version than stated by other rules if and only
if it's required to get around a bug inside rustc.
As bug fixes might run into rustc compiler bugs, a rust version bump _can_
happen on a stable branch as well.
Peripheral Support for crates.io uploads
----------------------------------------
Certain Mesa crates are uploaded to crates.io at the discretion of certain
sub-communities of Mesa. These crates are:
- https://crates.io/crates/mesa3d_util
These crates are used as dependencies to other Rust-based projects, such as:
- https://crates.io/crates/rutabaga_gfx/0.1.61/dependencies
This is not supported by the "core" Mesa quarterly release cycles, and the
official Mesa maintainers are not liable for use or mis-use of the crates.
Please contact the relevant sub-community before using these crates outside
of Mesa3D.
Official Mesa distribution of crates will likely have wait until improvements
are made in the Meson build system:
- https://github.com/mesonbuild/meson/issues/2173
The Meson build system is the only build system officially supported by
Mesa3D.
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