diff options
Diffstat (limited to 'src/graph.cc')
| -rw-r--r-- | src/graph.cc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/graph.cc b/src/graph.cc index a464299..add7868 100644 --- a/src/graph.cc +++ b/src/graph.cc @@ -68,6 +68,31 @@ bool DependencyScan::RecomputeDirty(Node* node, vector<Node*>* stack, edge->outputs_ready_ = true; edge->deps_missing_ = false; + if (!edge->deps_loaded_) { + // This is our first encounter with this edge. + // If there is a pending dyndep file, visit it now: + // * If the dyndep file is ready then load it now to get any + // additional inputs and outputs for this and other edges. + // Once the dyndep file is loaded it will no longer be pending + // if any other edges encounter it, but they will already have + // been updated. + // * If the dyndep file is not ready then since is known to be an + // input to this edge, the edge will not be considered ready below. + // Later during the build the dyndep file will become ready and be + // loaded to update this edge before it can possibly be scheduled. + if (edge->dyndep_ && edge->dyndep_->dyndep_pending()) { + if (!RecomputeDirty(edge->dyndep_, stack, err)) + return false; + + if (!edge->dyndep_->in_edge() || + edge->dyndep_->in_edge()->outputs_ready()) { + // The dyndep file is ready, so load it now. + if (!LoadDyndeps(edge->dyndep_, err)) + return false; + } + } + } + // Load output mtimes so we can compare them to the most recent input below. for (vector<Node*>::iterator o = edge->outputs_.begin(); o != edge->outputs_.end(); ++o) { |