Significantly simplify sysroot configuration#342
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jyn514
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Jun 21, 2023
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| let our_exe_filename = std::env::current_exe() | ||
| .ok() | ||
| .and_then(|p| p.file_stem().map(ToOwned::to_owned)) | ||
| .unwrap_or_else(|| "plrustc".into()); | ||
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| let wrapper_mode = orig_args | ||
| .get(1) | ||
| .map(std::path::Path::new) | ||
| .and_then(std::path::Path::file_stem) | ||
| .map_or(false, |name| { | ||
| name == our_exe_filename || name == "plrustc" || name == "rustc" | ||
| }); | ||
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| if wrapper_mode { | ||
| args.remove(1); | ||
| } |
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note that removing this means that setting RUSTC_WORKSPACE_WRAPPER=plrustc won't work anymore, but thom tells me you were using RUSTC instead anyway.
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Yes, I don't think we realistically supported that anyway.
workingjubilee
approved these changes
Jun 21, 2023
| } | ||
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| // TODO: eventually we can replace this with: | ||
| // rustc_driver::install_ice_hook("https://github.com/tcdi/plrust/issues/new", |_| ()); |
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as soon as you update the nightly toolchain :) rust-lang/rust#110989
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We actually don't use nightly >_>
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ah. when 1.71 lands on stable in a few weeks, then.
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| let args = rustc_driver::args::arg_expand_all(&std::env::args().collect::<Vec<_>>()); | ||
| let config = PlrustcConfig::from_env_and_args(&args); |
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We no longer have to manually search for the sysroot, as of rust-lang/rust#103660 it should be auto-detected from first the arguments passed, followed by locating it based on the location of the rustc_driver dynamic library.
This means we don't support configuring it via the environment anymore, but I don't believe anybody was explicitly using this anyway. Regardless, if they were configuring it to a different value than we locate with this function, it was almost certainly wrong. Still, we should make a note in the next release notes about it.
Thanks to @jyn514 for pointing this out to me!