Method GenerateHeaderSetVerificationFile

Source/cmGeneratorTarget.cxx:5986–6065

}

std::string cmGeneratorTarget::GenerateHeaderSetVerificationFile(
  cmSourceFile& source, std::string const& dir,
  std::string const& verifyTargetName,
  cm::optional<std::set<std::string>>& languages) const
{
  std::string extension;
  std::string language = source.GetOrDetermineLanguage();

  if (source.GetPropertyAsBool("SKIP_LINTING")) {
    return std::string{};
  }

  if (language.empty()) {
    if (!languages) {
      languages.emplace();
      for (auto const& tgtSource : this->GetAllConfigSources()) {
        auto const& tgtSourceLanguage =
          tgtSource.Source->GetOrDetermineLanguage();
        if (tgtSourceLanguage == "CXX") {
          languages->insert("CXX");
          break; // C++ overrides everything else, so we don't need to keep
                 // checking.
        }
        if (tgtSourceLanguage == "C") {
          languages->insert("C");
        }
      }

      if (languages->empty()) {
        std::vector<std::string> languagesVector;
        this->GlobalGenerator->GetEnabledLanguages(languagesVector);
        languages->insert(languagesVector.begin(), languagesVector.end());
      }
    }

    if (languages->count("CXX")) {
      language = "CXX";
    } else if (languages->count("C")) {
      language = "C";
    }
  }

  if (language == "C") {
    extension = ".c";
  } else if (language == "CXX") {
    extension = ".cxx";
  } else {
    return "";
  }

  std::string headerFilename = dir;
  if (!headerFilename.empty()) {
    headerFilename += '/';
  }
  headerFilename += source.GetLocation().GetName();

  auto filename =
    cmStrCat(this->LocalGenerator->GetCurrentBinaryDirectory(), '/',