Function requireDeviceLinking

Source/cmLinkLineDeviceComputer.cxx:189–240

}

bool requireDeviceLinking(cmGeneratorTarget& target, cmLocalGenerator& lg,
                          std::string const& config)
{
  if (!target.GetGlobalGenerator()->GetLanguageEnabled("CUDA")) {
    return false;
  }

  if (target.GetType() == cmStateEnums::OBJECT_LIBRARY) {
    return false;
  }

  if (!lg.GetMakefile()->IsOn("CMAKE_CUDA_COMPILER_HAS_DEVICE_LINK_PHASE")) {
    return false;
  }

  if (cmValue resolveDeviceSymbols =
        target.GetProperty("CUDA_RESOLVE_DEVICE_SYMBOLS")) {
    // If CUDA_RESOLVE_DEVICE_SYMBOLS has been explicitly set we need
    // to honor the value no matter what it is.
    return resolveDeviceSymbols.IsOn();
  }

  // Determine if we have any dependencies that require
  // us to do a device link step
  cmGeneratorTarget::LinkClosure const* closure =
    target.GetLinkClosure(config);

  if (cm::contains(closure->Languages, "CUDA")) {
    if (target.GetProperty("CUDA_SEPARABLE_COMPILATION").IsOn()) {
      bool doDeviceLinking = false;
      switch (target.GetType()) {
        case cmStateEnums::SHARED_LIBRARY:
        case cmStateEnums::MODULE_LIBRARY:
        case cmStateEnums::EXECUTABLE:
          doDeviceLinking = true;
          break;
        default:
          break;
      }
      return doDeviceLinking;
    }

    cmComputeLinkInformation* pcli = target.GetLinkInformation(config);
    if (pcli) {
      cmLinkLineDeviceComputer deviceLinkComputer(
        &lg, lg.GetStateSnapshot().GetDirectory());
      return deviceLinkComputer.ComputeRequiresDeviceLinking(*pcli);
    }
    return true;
  }
  return false;
}