Method GetIncludeDirectories

Source/cmGeneratorTarget_IncludeDirectories.cxx:214–305

}

std::vector<BT<std::string>> cmGeneratorTarget::GetIncludeDirectories(
  std::string const& config, std::string const& lang) const
{
  ConfigAndLanguage cacheKey(config, lang);
  {
    auto it = this->IncludeDirectoriesCache.find(cacheKey);
    if (it != this->IncludeDirectoriesCache.end()) {
      return it->second;
    }
  }
  std::vector<BT<std::string>> includes;
  std::unordered_set<std::string> uniqueIncludes;

  cm::GenEx::Context context(this->LocalGenerator, config, lang);

  cmGeneratorExpressionDAGChecker dagChecker{
    this, "INCLUDE_DIRECTORIES", nullptr, nullptr, context,
  };

  cmList debugProperties{ this->Makefile->GetDefinition(
    "CMAKE_DEBUG_TARGET_PROPERTIES") };
  bool debugIncludes = !this->DebugIncludesDone &&
    cm::contains(debugProperties, "INCLUDE_DIRECTORIES");

  this->DebugIncludesDone = true;

  EvaluatedTargetPropertyEntries entries = EvaluateTargetPropertyEntries(
    this, context, &dagChecker, this->IncludeDirectoriesEntries);

  if (lang == "Swift") {
    AddLangSpecificImplicitIncludeDirectories(
      this, lang, config, "Swift_MODULE_DIRECTORY",
      IncludeDirectoryFallBack::BINARY, entries);
  }

  if (this->CanCompileSources() && (lang != "Swift" && lang != "Fortran")) {

    std::string const propertyName = "ISPC_HEADER_DIRECTORY";

    // If this target has ISPC sources make sure to add the header
    // directory to other compilation units
    if (cm::contains(this->GetAllConfigCompileLanguages(), "ISPC")) {
      if (cmValue val = this->GetProperty(propertyName)) {
        includes.emplace_back(*val);
      } else {
        includes.emplace_back(this->GetObjectDirectory(config));
      }
    }

    AddLangSpecificImplicitIncludeDirectories(
      this, "ISPC", config, propertyName, IncludeDirectoryFallBack::OBJECT,
      entries);
  }

  AddInterfaceEntries(this, "INTERFACE_INCLUDE_DIRECTORIES", context,
                      &dagChecker, entries, IncludeRuntimeInterface::Yes);

  processIncludeDirectories(this, entries, includes, uniqueIncludes,