Function GetMsvcCharSetInfo

Source/cmGeneratorTarget_Options.cxx:223–251

constexpr char SBCS_DEFINITION_PREFIX[] = "_SBCS=";

MsvcCharSetInfo GetMsvcCharSetInfo(
  cmGeneratorTarget const& tgt, std::string const& lang,
  EvaluatedTargetPropertyEntries const& entries)
{
  using MsvcCharSet = cmGeneratorTarget::MsvcCharSet;

  if (tgt.Makefile->GetSafeDefinition(
        cmStrCat("CMAKE_", lang, "_COMPILER_ID")) != "MSVC"_s &&
      tgt.Makefile->GetSafeDefinition(
        cmStrCat("CMAKE_", lang, "_SIMULATE_ID")) != "MSVC"_s) {

    // Only MSVC ABI uses this feature
    return { MsvcCharSet::None, false };
  }

  for (EvaluatedTargetPropertyEntry const& entry : entries.Entries) {
    for (std::string const& value : entry.Values) {
      MsvcCharSet charSet = cmGeneratorTarget::GetMsvcCharSet(value);
      if (charSet != MsvcCharSet::None) {
        return { charSet, false };
      }
    }
  }

  // Default to multi-byte, similar to the Visual Studio generator
  // Define the default charset for Visual Studio too:
  // it should filter it out if need
  return { MsvcCharSet::MultiByte, true };
}

}