diff --git a/src/bootstrap/src/core/build_steps/dist.rs b/src/bootstrap/src/core/build_steps/dist.rs index 067dede904f12..6c7cc3bf6a736 100644 --- a/src/bootstrap/src/core/build_steps/dist.rs +++ b/src/bootstrap/src/core/build_steps/dist.rs @@ -2035,10 +2035,18 @@ fn install_llvm_file( // If we have a symlink like libLLVM-18.so -> libLLVM.so.18.1, install the target of the // symlink, which is what will actually get loaded at runtime. builder.install(&t!(fs::canonicalize(source)), destination, 0o644); + + let full_dest = destination.join(source.file_name().unwrap()); if install_symlink { - // If requested, also install the symlink. This is used by download-ci-llvm. - let full_dest = destination.join(source.file_name().unwrap()); + // For download-ci-llvm, also install the symlink, to match what LLVM does. Using a + // symlink is fine here, as this is not a rustup component. builder.copy(&source, &full_dest); + } else { + // Otherwise, replace the symlink with an equivalent linker script. This is used when + // projects like miri link against librustc_driver.so. We don't use a symlink, as + // these are not allowed inside rustup components. + let link = t!(fs::read_link(source)); + t!(std::fs::write(full_dest, format!("INPUT({})\n", link.display()))); } } else { builder.install(&source, destination, 0o644);