>> VirtualBox is non-DFSG free. It relies the non free compiler OpenWatom
>> to buildthe bios. This is why it is not used to create the Boxes, as we
>> want to work with a free toolchain. You can look up the details on the
>> ITP buck report for openwatcom.
> Ok then I need to use a fork and never push my update to upstream? :(
what is the nature of your changes ?