Method GenerateObjects

Source/cmFastbuildNormalTargetGenerator.cxx:1356–1535

}

void cmFastbuildNormalTargetGenerator::GenerateObjects(FastbuildTarget& target)
{
  this->GetGlobalGenerator()->AllFoldersToClean.insert(ObjectOutDir);

  std::map<std::string, FastbuildObjectListNode> nodesPermutations;

  cmCryptoHash hash(cmCryptoHash::AlgoSHA256);

  std::vector<cmSourceFile const*> objectSources;
  GeneratorTarget->GetObjectSources(objectSources, Config);

  std::set<std::string> createdPCH;

  // Directory level.
  bool useUnity =
    GeneratorTarget->GetLocalGenerator()->GetMakefile()->IsDefinitionSet(
      CMAKE_UNITY_BUILD);
  // Check if explicitly disabled for this target.
  auto const targetProp = GeneratorTarget->GetProperty(UNITY_BUILD);
  if (targetProp.IsSet() && targetProp.IsOff()) {
    useUnity = false;
  }

  // List of sources isolated from the unity build if enabled.
  std::set<std::string> isolatedFromUnity;

  // Mapping from unity group (if any) to sources belonging to that group.
  std::map<std::string, std::vector<std::string>> sourcesWithGroups;

  for (cmSourceFile const* source : objectSources) {

    cmSourceFile const& srcFile = *source;
    std::string const pathToFile = srcFile.GetFullPath();
    bool fileUsesUnity = useUnity;
    if (useUnity) {
      // Check if the source should be added to "UnityInputIsolatedFiles".
      if (srcFile.GetPropertyAsBool(SKIP_UNITY_BUILD_INCLUSION)) {
        fileUsesUnity = false;
        isolatedFromUnity.emplace(pathToFile);
      }
      std::string const perFileUnityGroup =
        srcFile.GetSafeProperty(UNITY_GROUP);
      if (!perFileUnityGroup.empty()) {
        sourcesWithGroups[perFileUnityGroup].emplace_back(pathToFile);
      }
    }

    this->GetGlobalGenerator()->AddFileToClean(cmStrCat(
      ObjectOutDir, '/', this->GeneratorTarget->GetObjectName(source)));

    // Do not generate separate node for PCH source file.
    if (this->GeneratorTarget->GetPchSource(Config, srcFile.GetLanguage()) ==
        pathToFile) {
      continue;
    }

    std::string const language = srcFile.GetLanguage();
    LogMessage(