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cmNinjaTargetGenerator: avoid traversing old outputs repeatedly

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We actually only need to look at outputs just added to the vector, not
all outputs that have been detected so far.
This commit is contained in:
Ben Boeckel
2023-10-19 22:11:33 -04:00
parent dec211da56
commit 51f9d9f0a2
1 changed files with 3 additions and 0 deletions
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Source/cmNinjaTargetGenerator.cxx
+3
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@@ -1048,10 +1048,13 @@ void cmNinjaTargetGenerator::WriteObjectBuildStatements(
cmCustomCommandGenerator ccg(*cc, config, this->GetLocalGenerator());
const std::vector<std::string>& ccoutputs = ccg.GetOutputs();
const std::vector<std::string>& ccbyproducts = ccg.GetByproducts();
auto const nPreviousOutputs = ccouts.size();
ccouts.insert(ccouts.end(), ccoutputs.begin(), ccoutputs.end());
ccouts.insert(ccouts.end(), ccbyproducts.begin(), ccbyproducts.end());
if (usePrivateGeneratedSources) {
auto it = ccouts.begin();
// Skip over outputs that were already detected.
std::advance(it, nPreviousOutputs);
while (it != ccouts.end()) {
cmFileSet const* fileset =
this->GeneratorTarget->GetFileSetForSource(