Function GetPath

Source/cmCMakePkgConfigCommand.cxx:230–249

}

cm::optional<std::string> GetPath(cmMakefile& mf, char const* cachevar,
                                  char const* envvar, char const* desc)
{
  cm::optional<std::string> result;

  auto def = mf.GetDefinition(cachevar);
  if (def) {
    result = *def;
    return result;
  }

  std::string path;
  if (cmSystemTools::GetEnv(envvar, path)) {
    mf.AddCacheDefinition(cachevar, path, desc, cmStateEnums::FILEPATH);
    result = std::move(path);
    return result;
  }

  return result;
}

cm::optional<std::string> GetSysrootDir(cmMakefile& mf)
{