Files
RedBear-OS/local/recipes/libs/mesa/source/docs/rust.rst
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vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class)
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

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ReStructuredText

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.