PKGBUILDs/community/gpsd/gpsd.install

post_install() {
    echo ">>>Note: the supplied gpsd udev rules is device-specific, so"
    echo ">>>if your device isn't detected correctly, please use lsusb or"
    echo ">>>another suitable tool to determine the proper device IDs and"
    echo ">>>use the commented rules to fill in the blanks for your device."
}