Function cmTargetLinkLibrariesCommand

Source/cmTargetLinkLibrariesCommand.cxx:68–318

                                            int right);

bool cmTargetLinkLibrariesCommand(std::vector<std::string> const& args,
                                  cmExecutionStatus& status)
{
  // Must have at least one argument.
  if (args.empty()) {
    status.SetError("called with incorrect number of arguments");
    return false;
  }

  cmMakefile& mf = status.GetMakefile();

  // Alias targets cannot be on the LHS of this command.
  if (mf.IsAlias(args[0])) {
    status.SetError("can not be used on an ALIAS target.");
    return false;
  }

  // Lookup the target for which libraries are specified.
  cmTarget* target = mf.GetGlobalGenerator()->FindTarget(args[0]);
  if (!target) {
    for (auto const& importedTarget : mf.GetOwnedImportedTargets()) {
      if (importedTarget->GetName() == args[0] &&
          !importedTarget->IsForeign()) {
        target = importedTarget.get();
        break;
      }
    }
  }
  if (!target) {
    mf.IssueMessage(MessageType::FATAL_ERROR,
                    cmStrCat("Cannot specify link libraries for target \"",
                             args[0],
                             "\" which is not built by this project."));
    cmSystemTools::SetFatalErrorOccurred();
    return true;
  }

  if (target->IsSymbolic()) {
    status.SetError("can not be used on a SYMBOLIC target.");
    return false;
  }

  // Having a UTILITY library on the LHS is a bug.
  if (target->GetType() == cmStateEnums::UTILITY) {
    mf.IssueMessage(
      MessageType::FATAL_ERROR,
      cmStrCat(
        "Utility target \"", target->GetName(),
        "\" must not be used as the target of a target_link_libraries call."));
    return false;
  }

  // But we might not have any libs after variable expansion.
  if (args.size() < 2) {
    return true;
  }

  TLL tll(mf, target);