Improve default_target to respect current toolchain and config #365
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This was referenced Mar 2, 2024
fitzgen
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Mar 4, 2024
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| if targets.len() > 1 { | ||
| // Config can contain multiple targets, but we don't support it: https://doc.rust-lang.org/cargo/reference/config.html#buildtarget | ||
| panic!("multi-target build is not supported: {targets:?}"); | ||
| } | ||
| targets | ||
| .pop() | ||
| // Get the host triple if the target is not specified in config. | ||
| .unwrap_or_else(|| config.host_triple().unwrap().to_owned()) |
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I think this would be cleaner as match targets.len() { ... }.
| let mut targets = config.build_target_for_cli(None::<&str>).unwrap(); | ||
| if targets.len() > 1 { | ||
| // Config can contain multiple targets, but we don't support it: https://doc.rust-lang.org/cargo/reference/config.html#buildtarget | ||
| panic!("multi-target build is not supported: {targets:?}"); |
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Let's return a result from this function and properly propagate errors rather than panicking here.
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Fixes #355
See #355 (comment) and #355 (comment) for details.
This PR uses the latter approach, which is more accurate. However, I have also implemented the former approach in another branch and can update the PR to use it if needed.