Method AddBuildDatabaseTargets

Source/cmGlobalGenerator.cxx:3367–3474

}

bool cmGlobalGenerator::AddBuildDatabaseTargets()
{
  auto& mf = this->Makefiles[0];
  if (!mf->IsOn("CMAKE_EXPORT_BUILD_DATABASE")) {
    return true;
  }
  if (!cmExperimental::HasSupportEnabled(
        *mf.get(), cmExperimental::Feature::ExportBuildDatabase)) {
    return {};
  }

  static auto const reservedTargets = { "cmake_build_database" };
  for (auto const& target : reservedTargets) {
    if (!this->CheckReservedTargetName(
          target, "when exporting build databases are enabled")) {
      return false;
    }
  }
  static auto const reservedPrefixes = { "cmake_build_database-" };
  for (auto const& prefix : reservedPrefixes) {
    if (!this->CheckReservedTargetNamePrefix(
          prefix, "when exporting build databases are enabled")) {
      return false;
    }
  }

  if (!this->SupportsBuildDatabase()) {
    return true;
  }

  auto configs = mf->GetGeneratorConfigs(cmMakefile::ExcludeEmptyConfig);

  static cm::static_string_view TargetPrefix = "cmake_build_database"_s;
  auto AddMergeTarget =
    [&mf](std::string const& name, char const* comment,
          std::string const& output,
          std::function<std::vector<std::string>()> inputs) {
      // Add the custom command.
      {
        ModuleCompilationDatabaseCommandAction action{ output,
                                                       std::move(inputs) };
        auto cc = cm::make_unique<cmCustomCommand>();
        cc->SetComment(comment);
        mf->AddGeneratorAction(
          std::move(cc), action,
          cmMakefile::GeneratorActionWhen::AfterGeneratorTargets);
      }

      // Add a custom target with the given name.
      {
        cmTarget* target = mf->AddNewUtilityTarget(name, true);
        ModuleCompilationDatabaseTargetAction action{ output, target };
        auto cc = cm::make_unique<cmCustomCommand>();
        mf->AddGeneratorAction(std::move(cc), action);
      }
    };

  std::string module_languages[] = { "CXX" };