class PackageConfig

def guess_native_pkg_config
  pkg_config = with_config("pkg-config", ENV["PKG_CONFIG"] || "pkg-config")
  pkg_config = Pathname.new(pkg_config)
  unless pkg_config.absolute?
    found_pkg_config = search_pkg_config_from_path(pkg_config)
    pkg_config = found_pkg_config if found_pkg_config
  end
  unless pkg_config.absolute?
    found_pkg_config = search_pkg_config_by_dln_find_exe(pkg_config)
    pkg_config = found_pkg_config if found_pkg_config
  end
  pkg_config
end