Function AddCompileFeature

Source/cmPackageInfoReader.cxx:315–341

}

void AddCompileFeature(cmMakefile* makefile, cmTarget* target,
                       cm::string_view configuration, std::string const& value)
{
  auto reLanguageLevel = []() -> cmsys::RegularExpression {
    static cmsys::RegularExpression re{ "^[Cc]([+][+])?([0-9][0-9])$" };
    return re;
  }();

  if (reLanguageLevel.find(value)) {
    std::string::size_type const n = reLanguageLevel.end() - 2;
    cm::string_view const featurePrefix = (n == 3 ? "cxx_std_"_s : "c_std_"_s);
    if (configuration.empty()) {
      AppendProperty(makefile, target, "COMPILE_FEATURES"_s, {},
                     cmStrCat(featurePrefix, value.substr(n)));
    } else {
      std::string const& feature =
        cmStrCat("$<$<CONFIG:"_s, configuration, ">:"_s, featurePrefix,
                 value.substr(n), '>');
      AppendProperty(makefile, target, "COMPILE_FEATURES"_s, {}, feature);
    }
  } else if (cmStrCaseEq(value, "gnu"_s)) {
    // Not implemented in CMake at this time
  } else if (cmStrCaseEq(value, "threads"_s)) {
    AppendProperty(makefile, target, "LINK_LIBRARIES"_s, configuration,
                   "Threads::Threads");
  }
}

void AddLinkFeature(cmMakefile* makefile, cmTarget* target,
                    cm::string_view configuration, std::string const& value)