Method Follow

Source/cmGeneratorTarget_Link.cxx:1028–1066

};

void TransitiveLinkImpl::Follow(cmGeneratorTarget const* target)
{
  if (!target || !this->Followed.insert(target).second) {
    return;
  }

  // Get this target's usage requirements.
  cmLinkInterfaceLibraries const* iface =
    target->GetLinkInterfaceLibraries(this->Config, this->Self, this->ImplFor);
  if (!iface) {
    return;
  }
  if (iface->HadContextSensitiveCondition) {
    this->Impl.HadContextSensitiveCondition = true;
  }

  // Process 'INTERFACE_LINK_LIBRARIES_DIRECT' usage requirements.
  for (cmLinkItem const& item : iface->HeadInclude) {
    // Inject direct dependencies from the item's usage requirements
    // before the item itself.
    this->Follow(item.Target);

    // Add the item itself, but at most once.
    if (this->Emitted.insert(item).second) {
      this->Impl.Libraries.emplace_back(item);
    }
  }

  // Follow transitive dependencies.
  for (cmLinkItem const& item : iface->Libraries) {
    this->Follow(item.Target);
  }

  // Record exclusions from 'INTERFACE_LINK_LIBRARIES_DIRECT_EXCLUDE'
  // usage requirements.
  for (cmLinkItem const& item : iface->HeadExclude) {
    this->Excluded.insert(item);
  }
}

void TransitiveLinkImpl::Compute()
{