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Provide pre-build host compiler for aarch64-unknown-linux-musl #75721

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alex opened this issue Aug 19, 2020 · 1 comment
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Provide pre-build host compiler for aarch64-unknown-linux-musl #75721

alex opened this issue Aug 19, 2020 · 1 comment
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C-feature-request Category: A feature request, i.e: not implemented / a PR. O-Arm Target: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state O-musl Target: The musl libc T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue.

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alex commented Aug 19, 2020

aarch64-unknown-linux-musl is currently a tier 2 platform with pre-built libstd, but not pre-built host compiler (rustc, cargo, etc.) It would be useful to me if the host compiler was available. Specifically it's important to me because pyca/cryptography -- the most widely used Python crypto library -- builds and tests on Alpine Linux, which uses musl. We're currently looking at expanding aarch64 testing in CI, and not needing to special case Alpine aarch64 would be great.

I'm happy to try to work up a PR for this, but there's one thing I'm not positive about: can this be a cross-compilation, the way aarch64-unknown-linux-gnu is (I know there's ongoing work to have aarch64 be tier1 with tests run natively).

I've currently hacked up the dockerfiles to do this, but I'm only about 40% sure I did it correctly, so we'll see, assuming this idea is acceptable.
@jonas-schievink jonas-schievink added C-feature-request Category: A feature request, i.e: not implemented / a PR. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. O-Arm Target: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state O-musl Target: The musl libc labels Aug 19, 2020
@alex alex mentioned this issue Aug 20, 2020
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alex added a commit to alex/rust that referenced this issue Aug 21, 2020
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build aarch64-musl host compiler in CI
7c152e7 
fixes rust-lang#75721
@alex alex mentioned this issue Sep 11, 2020
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alex commented Sep 16, 2020

Fixed in #76420

@alex alex closed this as completed Sep 16, 2020
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C-feature-request Category: A feature request, i.e: not implemented / a PR. O-Arm Target: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state O-musl Target: The musl libc T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue.
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build aarch64-musl host compiler in CI alex/rust
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@alex @jonas-schievink