Method IsTransitiveProperty

Source/cmGeneratorTarget_TransitiveProperty.cxx:184–226

}

cm::optional<cmGeneratorTarget::TransitiveProperty>
cmGeneratorTarget::IsTransitiveProperty(
  cm::string_view prop, cm::GenEx::Context const& context,
  cmGeneratorExpressionDAGChecker const* dagChecker) const
{
  cm::optional<TransitiveProperty> result;
  static cm::string_view const kINTERFACE_ = "INTERFACE_"_s;
  PropertyFor const propertyFor = cmHasPrefix(prop, kINTERFACE_)
    ? PropertyFor::Interface
    : PropertyFor::Build;
  if (propertyFor == PropertyFor::Interface) {
    prop = prop.substr(kINTERFACE_.length());
  }
  auto i = BuiltinTransitiveProperties.find(prop);
  if (i != BuiltinTransitiveProperties.end() &&
      // Look up CMP0189 in the context where evaluation occurs,
      // not where the target was created.
      context.GetCMP0189() != cmPolicies::NEW && prop == "LINK_LIBRARIES"_s) {
    i = BuiltinTransitiveProperties.end();
  }
  if (i != BuiltinTransitiveProperties.end()) {
    result = i->second;
    if (result->Usage != cmGeneratorTarget::UseTo::Compile) {
      cmPolicies::PolicyStatus cmp0166 =
        context.LG->GetPolicyStatus(cmPolicies::CMP0166);
      if ((cmp0166 == cmPolicies::WARN || cmp0166 == cmPolicies::OLD) &&
          (prop == "LINK_DIRECTORIES"_s || prop == "LINK_DEPENDS"_s ||
           prop == "LINK_OPTIONS"_s)) {
        result->Usage = cmGeneratorTarget::UseTo::Compile;
      }
    }
  } else if (!ComputingLinkLibraries(dagChecker)) {
    // Honor TRANSITIVE_COMPILE_PROPERTIES and TRANSITIVE_LINK_PROPERTIES
    // from the link closure when we are not evaluating the closure itself.
    CustomTransitiveProperties const& ctp =
      this->GetCustomTransitiveProperties(context.Config, propertyFor);
    auto ci = ctp.find(std::string(prop));
    if (ci != ctp.end()) {
      result = ci->second;
    }
  }
  return result;
}

cmGeneratorTarget::CustomTransitiveProperty::CustomTransitiveProperty(
  std::string interfaceName, UseTo usage)