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docs: rust: update for newer minimum supported version

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Remove leftover notes for Rust changes between 1.63.0 and 1.77.0.

Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2025-05-02 10:40:54 +02:00
parent f117857b39
commit 1017041ff4
1 changed files with 1 additions and 14 deletions
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15
docs/devel/rust.rst
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@ -71,16 +71,9 @@ Building Rust code with ``--enable-modules`` is not supported yet.
Supported tools
'''''''''''''''
QEMU supports rustc version 1.63.0 and newer. Notably, the following features
QEMU supports rustc version 1.77.0 and newer. Notably, the following features
are missing:
* Generic Associated Types (1.65.0)
* ``CStr::from_bytes_with_nul()`` as a ``const`` function (1.72.0).
* "Return position ``impl Trait`` in Traits" (1.75.0, blocker for including
the pinned-init create).
* inline const expression (stable in 1.79.0), currently worked around with
associated constants in the ``FnCall`` trait.
@ -105,12 +98,6 @@ are missing:
__ https://github.com/rust-lang/rust/pull/125258
It is expected that QEMU will advance its minimum supported version of
rustc to 1.77.0 as soon as possible; as of January 2025, blockers
for that right now are Debian bookworm and 32-bit MIPS processors.
This unfortunately means that references to statics in constants will
remain an issue.
QEMU also supports version 0.60.x of bindgen, which is missing option
``--generate-cstr``. This option requires version 0.66.x and will
be adopted as soon as supporting these older versions is not necessary