diff options
| -rw-r--r-- | src/build_helper/lib.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/build_helper/lib.rs b/src/build_helper/lib.rs index 97723e260f6..2b6e2828cfb 100644 --- a/src/build_helper/lib.rs +++ b/src/build_helper/lib.rs @@ -190,6 +190,9 @@ pub fn mtime(path: &Path) -> FileTime { /// /// Uses last-modified time checks to verify this. pub fn up_to_date(src: &Path, dst: &Path) -> bool { + if !dst.exists() { + return false; + } let threshold = mtime(dst); let meta = match fs::metadata(src) { Ok(meta) => meta, |