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-rw-r--r--Documentation/rust/quick-start.rst44
1 files changed, 41 insertions, 3 deletions
diff --git a/Documentation/rust/quick-start.rst b/Documentation/rust/quick-start.rst
index 6d2607870ba4..155f7107329a 100644
--- a/Documentation/rust/quick-start.rst
+++ b/Documentation/rust/quick-start.rst
@@ -90,15 +90,53 @@ they should generally work out of the box, e.g.::
Ubuntu
******
-Ubuntu LTS and non-LTS (interim) releases provide recent Rust releases and thus
-they should generally work out of the box, e.g.::
+25.04
+~~~~~
+
+The latest Ubuntu releases provide recent Rust releases and thus they should
+generally work out of the box, e.g.::
+
+ apt install rustc rust-src bindgen rustfmt rust-clippy
+
+In addition, ``RUST_LIB_SRC`` needs to be set, e.g.::
+
+ RUST_LIB_SRC=/usr/src/rustc-$(rustc --version | cut -d' ' -f2)/library
+
+For convenience, ``RUST_LIB_SRC`` can be exported to the global environment.
- apt install rustc-1.80 rust-1.80-src bindgen-0.65 rustfmt-1.80 rust-1.80-clippy
+
+24.04 LTS and older
+~~~~~~~~~~~~~~~~~~~
+
+Though Ubuntu 24.04 LTS and older versions still provide recent Rust
+releases, they require some additional configuration to be set, using
+the versioned packages, e.g.::
+
+ apt install rustc-1.80 rust-1.80-src bindgen-0.65 rustfmt-1.80 \
+ rust-1.80-clippy
+ ln -s /usr/lib/rust-1.80/bin/rustfmt /usr/bin/rustfmt-1.80
+ ln -s /usr/lib/rust-1.80/bin/clippy-driver /usr/bin/clippy-driver-1.80
+
+None of these packages set their tools as defaults; therefore they should be
+specified explicitly, e.g.::
+
+ make LLVM=1 RUSTC=rustc-1.80 RUSTDOC=rustdoc-1.80 RUSTFMT=rustfmt-1.80 \
+ CLIPPY_DRIVER=clippy-driver-1.80 BINDGEN=bindgen-0.65
+
+Alternatively, modify the ``PATH`` variable to place the Rust 1.80 binaries
+first and set ``bindgen`` as the default, e.g.::
+
+ PATH=/usr/lib/rust-1.80/bin:$PATH
+ update-alternatives --install /usr/bin/bindgen bindgen \
+ /usr/bin/bindgen-0.65 100
+ update-alternatives --set bindgen /usr/bin/bindgen-0.65
``RUST_LIB_SRC`` needs to be set when using the versioned packages, e.g.::
RUST_LIB_SRC=/usr/src/rustc-$(rustc-1.80 --version | cut -d' ' -f2)/library
+For convenience, ``RUST_LIB_SRC`` can be exported to the global environment.
+
In addition, ``bindgen-0.65`` is available in newer releases (24.04 LTS and
24.10), but it may not be available in older ones (20.04 LTS and 22.04 LTS),
thus ``bindgen`` may need to be built manually (please see below).