diff options
Diffstat (limited to 'src/graph.cc')
| -rw-r--r-- | src/graph.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/graph.cc b/src/graph.cc index 5c37ac0..9c99b3d 100644 --- a/src/graph.cc +++ b/src/graph.cc @@ -77,9 +77,12 @@ bool Edge::RecomputeDirty(State* state, DiskInterface* disk_interface, if (is_phony()) { // Phony edges don't write any output. - // They're only dirty if an input is dirty. + // They're only dirty if an input is dirty, or if there are no inputs + // and we're missing the output. if (dirty) (*i)->dirty_ = true; + else if (inputs_.empty() && !(*i)->file_->exists()) + (*i)->dirty_ = true; continue; } |