On Fri, Dec 16, 2022 at 2:16 PM Richard Purdie <[email protected]> wrote: > > On Fri, 2022-12-16 at 10:42 +0000, Alex Kiernan wrote: > > Does anyone actually use target rust? I thought we had some test > > coverage, but I'm failing to find it. > > A basic hello world on target: > > https://git.yoctoproject.org/poky/tree/meta/lib/oeqa/runtime/cases/rust.py > > but we could do with something more along the lines of: > > https://git.yoctoproject.org/poky/tree/meta/lib/oeqa/runtime/cases/gcc.py > > adding. > > We do also have: > > https://git.yoctoproject.org/poky/tree/meta/lib/oeqa/sdk/cases/rust.py > > which are basic tests for rust in the SDK. > > > After the thread on stable/beta/nightly, I started playing with it on > > target and so far have: > > > > * we're missing the rustlib/<target>/target.json > > * we don't have gcc/binutils in RDEPENDS so there's no linker > > * no libc-dev/libgcc-dev > > > > I'm not sure how target dev tools ever get used/installed as it's not > > something I've ever touched, so maybe the last one/two are expected? > > But the missing target.json just makes rustc bail on startup - looks > > like 16b4ac3f558f ("rust: Enable nativesdk and target builds + replace > > rust-tools-cross-canadian") might be where it got dropped, just > > checking. > > On target rust never worked.
I don't know if it ever worked in meta-rust - a number of the fixes/patches I came across from that time suggested it might have done, but it was years ago. > I made it build and tried to clean up a > variety of things but I moved on to other things before getting to the > target toolchain/runtime testing. Patches to move forward welcome, > especially with tests. The work I did was to at least try and get > things onto a proper footing for the future. > I'll have a look at some tests, since having figured out how to make it work, I'd rather it didn't regress, even if I don't actually intend to use it! With the target.json patch I sent up, plus gcc binutils libc-dev libgcc-dev added to an image `rustc` on target generates working binaries. -- Alex Kiernan
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