diff options
| -rw-r--r-- | src/bootstrap/src/lib.rs | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 5751c398f30..07befa983c5 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -332,14 +332,20 @@ impl Build { .trim() .to_string(); - let initial_libdir = initial_target_dir - .parent() - .unwrap() - .parent() - .unwrap() - .strip_prefix(&initial_sysroot) - .unwrap() - .to_path_buf(); + // FIXME(Zalathar): Determining this path occasionally fails locally for + // unknown reasons, so we print some extra context to help track down why. + let find_initial_libdir = || { + let initial_libdir = + initial_target_dir.parent()?.parent()?.strip_prefix(&initial_sysroot).ok()?; + Some(initial_libdir.to_path_buf()) + }; + let Some(initial_libdir) = find_initial_libdir() else { + panic!( + "couldn't determine `initial_libdir` \ + from target dir {initial_target_dir:?} \ + and sysroot {initial_sysroot:?}" + ) + }; let version = std::fs::read_to_string(src.join("src").join("version")) .expect("failed to read src/version"); |