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authorDylan DPC <dylan.dpc@gmail.com>2020-11-09 19:06:49 +0100
committerGitHub <noreply@github.com>2020-11-09 19:06:49 +0100
commit62d3a4f9c25afe5251e1ba4165aefaf90d948b91 (patch)
treea341fd14172cc5176190cd62e9870a665d72e7bd /compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
parent0aed74aa43a3c1a98b1289a3b4febac75f844949 (diff)
parent3863dee15988d8e2b8b33ff6ba8759342e8dd98f (diff)
downloadrust-62d3a4f9c25afe5251e1ba4165aefaf90d948b91.tar.gz
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Rollup merge of #78513 - jyn514:rustup-toolchain, r=Mark-Simulacrum
Infer the default host target from the host toolchain if possible

- `beta-x86_64-unknown-linux-gnu` has beta stripped
- `rustc2` is ignored

This fixes ongoing issues where x.py will detect the wrong host triple
between MSVC and GNU.

I don't think this will break anyone's workflow - I'd be very surprised if you a) had no `[build]` section in `config.toml`, b) had rustc installed, and c) expected the default target to be something other than the default target used by `rustc`. But I could be wrong - I'm happy to hear user stories :)

Fixes https://github.com/rust-lang/rust/issues/78150.

r? ``@Mark-Simulacrum``
cc ``@Lokathor``
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