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Clean the sysroot destination directory before copying the content into it #778

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Merged
merged 1 commit into from
Oct 11, 2025
Merged

Clean the sysroot destination directory before copying the content into it #778

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3 changes: 3 additions & 0 deletions build_system/src/build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,9 @@ pub fn build_sysroot(env: &HashMap<String, String>, config: &ConfigInfo) -> Resu

// Copy files to sysroot
let sysroot_path = start_dir.join(format!("sysroot/lib/rustlib/{}/lib/", config.target_triple));
// To avoid errors like "multiple candidates for `rmeta` dependency `core` found", we clean the
// sysroot directory before copying the sysroot build artifacts.
let _ = fs::remove_dir_all(&sysroot_path);
create_dir(&sysroot_path)?;
let mut copier = |dir_to_copy: &Path| {
// FIXME: should not use shell command!
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