Linus Torvalds <torva...@linux-foundation.org> writes: > Now, the reason it was marked as changed is that the xfs branch _had_ > in fact changed it, but the changes were already upstream and got > merged away. But the file still got written out (with the same > contents it had before the merge), and 'make' obviously only looks at > modification time, so make rebuilt everything.
Thanks for a clear description of the issue. It does sound interesting.
