SerialGamepad/Resources/Distribution.xml

<?xml version="1.0" encoding="utf-8" standalone="no"?>
<installer-gui-script minSpecVersion="2">
    <title>SerialGamepad Emulator</title>
    <readme file="readme.rtf"/>
    <license file="license.txt"/>
    <pkg-ref id="de.xythobuz.SerialGamepad"/>
    <pkg-ref id="it.unbit.foohid"/>
    <options require-scripts="false" rootVolumeOnly="true" hostArchitectures="i386,x86_64"/>
    <volume-check>
        <allowed-os-versions>
            <os-version min="10.8"/>
        </allowed-os-versions>
    </volume-check>
    <choices-outline>
        <line choice="de.xythobuz.SerialGamepad"/>
        <line choice="it.unbit.foohid"/>
    </choices-outline>
    <choice id="de.xythobuz.SerialGamepad" visible="true"
            title="Install SerialGamepad"
            description="Install SerialGamepad.app to /Applications">
        <pkg-ref id="de.xythobuz.SerialGamepad"/>
    </choice>
    <choice id="it.unbit.foohid" visible="true"
            title="Install virtual HID driver"
            description="Install virtual HID Kernel driver foohid.kext to /Library/Extensions">
        <pkg-ref id="it.unbit.foohid"/>
    </choice>
    <pkg-ref id="de.xythobuz.SerialGamepad" version="0" onConclusion="none">SerialGamepad.pkg</pkg-ref>
    <pkg-ref id="it.unbit.foohid" version="1.0.0" onConclusion="none">foohid.pkg</pkg-ref>
</installer-gui-script>