diff options
Diffstat (limited to 'src/graph.cc')
| -rw-r--r-- | src/graph.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/graph.cc b/src/graph.cc index e2f966c..9d45ce1 100644 --- a/src/graph.cc +++ b/src/graph.cc @@ -96,10 +96,10 @@ bool Edge::RecomputeDirty(State* state, DiskInterface* disk_interface, (*i)->MarkDirty(); } - // If we're dirty, our outputs are not ready. (It's possible to be - // clean but still have not be ready in the presence of order-only - // inputs.) - if (dirty) + // If we're dirty, our outputs are normally not ready. (It's possible to be + // clean but still not be ready in the presence of order-only inputs.) + // But phony edges with no inputs have nothing to do, so are always ready. + if (dirty && !(is_phony() && inputs_.empty())) outputs_ready_ = false; return true; |