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author | Tomasz Śniatowski <tsniatowski@vewd.com> | 2021-02-15 12:06:30 (GMT) |
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committer | Tomasz Śniatowski <tsniatowski@vewd.com> | 2021-02-22 22:48:58 (GMT) |
commit | b94a891ac9fcd0cee80652197c03633d752ad068 (patch) | |
tree | 01f3831172d27a1b211949f191060c227c4c73b0 /src/missing_deps.cc | |
parent | bc69a640de3d22512fca69b1f997fb7b832addb1 (diff) | |
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missingdeps: add exception for targets that dep on build.ninja
A "missing dep path" to build.ninja is a false positive, skip reporting it.
Diffstat (limited to 'src/missing_deps.cc')
-rw-r--r-- | src/missing_deps.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/missing_deps.cc b/src/missing_deps.cc index a0fd048..adce2d2 100644 --- a/src/missing_deps.cc +++ b/src/missing_deps.cc @@ -114,6 +114,14 @@ void MissingDependencyScanner::ProcessNodeDeps(Node* node, Node** dep_nodes, std::set<Edge*> deplog_edges; for (int i = 0; i < dep_nodes_count; ++i) { Node* deplog_node = dep_nodes[i]; + // Special exception: A dep on build.ninja can be used to mean "always + // rebuild this target when the build is reconfigured", but build.ninja is + // often generated by a configuration tool like cmake or gn. The rest of + // the build "implicitly" depends on the entire build being reconfigured, + // so a missing dep path to build.ninja is not an actual missing dependecy + // problem. + if (deplog_node->path() == "build.ninja") + return; Edge* deplog_edge = deplog_node->in_edge(); if (deplog_edge) { deplog_edges.insert(deplog_edge); |