On Mon, Nov 09, Ian Jackson wrote:

> I have now backported all of the GCC10 fixes to all the supported Xen
> branches (ie back to 4.12).

Please consider also these commits:

55ab292c42 stubdom/vtpm: include stdio.h for declaration of printf
c3999835df libxl: Offer API versions 0x040700 and 0x040800
f1d376a825 stubdom/vtpm: add extern to function declarations

Olaf