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cmGeneratorTarget: Skip computing languages for custom targets

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Targets created by `add_custom_target` do not compile any sources
and therefore have no languages.
This commit is contained in:
Brad King
2020-07-22 10:45:33 -04:00
parent 2f0790df50
commit 95b5df8646
1 changed files with 5 additions and 0 deletions
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5
Source/cmGeneratorTarget.cxx
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@@ -7013,6 +7013,11 @@ std::string cmGeneratorTarget::GetDeprecation() const
void cmGeneratorTarget::GetLanguages(std::set<std::string>& languages, void cmGeneratorTarget::GetLanguages(std::set<std::string>& languages,
const std::string& config) const const std::string& config) const
{ {
// Targets that do not compile anything have no languages.
if (!this->CanCompileSources()) {
return;
}
std::vector<cmSourceFile*> sourceFiles; std::vector<cmSourceFile*> sourceFiles;
this->GetSourceFiles(sourceFiles, config); this->GetSourceFiles(sourceFiles, config);
for (cmSourceFile* src : sourceFiles) { for (cmSourceFile* src : sourceFiles) {