On Sat Jul 25, 2026 at 5:51 AM CEST, Deepesh via lists.openembedded.org Varatharajan wrote: > From: Deepesh Varatharajan <[email protected]> >
Hi Deepesh, > [YOCTO #15808] > > Consolidate Rust source management across all Rust recipes (rust, cargo, > libstd-rs and their native/nativesdk variants) into a single shared > source tree using the work-shared pattern. > > Disk savings: a world build with multilibs enabled, together with > nativesdk-rust and nativesdk-cargo, now shares a single ~4.2 GB rustc-src > tree instead of maintaining up to 11 independent copies (~46.2 GB total). > > Performance (clean core-image-sato build, qemux86-64): > > --- /dev/null > +++ b/meta/recipes-devtools/rust/rust-source.bb > @@ -0,0 +1,56 @@ > +# rust-source.bb - Shared source recipe for the Rust toolchain > +# > +# This recipe fetches, unpacks, and patches the rustc source tree into a > +# work-shared location so that rust, cargo, libstd-rs, and their > native/nativesdk > +# variants all share a single copy of the source. This eliminates duplication > +# (up to 11 copies of the ~4.2 GB source tree in multilib + nativesdk builds) > +# and significantly reduces disk usage (~46.2 GB -> ~4.2 GB for rustc-src). > +# > +# Only do_fetch, do_unpack, and do_patch are meaningful here. All other > +# tasks are disabled since this recipe exists solely to provide sources. > + > +SUMMARY = "Rust sources" > +HOMEPAGE = "http://www.rust-lang.org"; > +SECTION = "devel" > +LICENSE = "(Unicode-3.0 AND (Apache-2.0 OR MIT)" We are missing a closing parentheses here. I believe you can remove the opening one. Thanks, Mathieu -- Mathieu Dubois-Briand, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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