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Replace implementation with @RUSTC_BUILTIN prefix substitution var

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This commit is contained in:
Lukas Wirth 2024-03-06 13:28:12 +01:00
parent 2fae4ee92e
commit 3d65c92040
2 changed files with 8 additions and 14 deletions
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1
compiler/rustc_session/src/config.rs
View File

@ -2824,6 +2824,7 @@ pub fn build_session_options(early_dcx: &mut EarlyDiagCtxt, matches: &getopts::M
let logical_env = parse_logical_env(early_dcx, matches);
let sysroot = filesearch::materialize_sysroot(sysroot_opt);
let real_rust_source_base_dir = {
// This is the location used by the `rust-src` `rustup` component.
let mut candidate = sysroot.join("lib/rustlib/src/rust");

21
compiler/rustc_session/src/search_paths.rs
View File

@ -63,27 +63,20 @@ pub fn from_cli_opt(
(PathKind::Framework, stripped)
} else if let Some(stripped) = path.strip_prefix("all=") {
(PathKind::All, stripped)
} else if let Some(stripped) = path.strip_prefix("builtin:") {
if stripped.contains(std::path::is_separator) {
early_dcx.early_fatal("`-L builtin:` does not accept paths");
}
let path =
make_target_lib_path(sysroot, triple.triple()).join("builtin").join(stripped);
if !path.is_dir() {
early_dcx.early_fatal(format!("builtin:{stripped} does not exist"));
}
return Self::new(PathKind::All, path);
} else {
(PathKind::All, path)
};
if path.is_empty() {
let dir = match path.strip_prefix("@RUSTC_BUILTIN") {
Some(stripped) => {
make_target_lib_path(sysroot, triple.triple()).join("builtin").join(stripped)
}
None => PathBuf::from(path),
};
if dir.as_os_str().is_empty() {
#[allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable
early_dcx.early_fatal("empty search path given via `-L`");
}
let dir = PathBuf::from(path);
Self::new(kind, dir)
}