On 12/05/2020 08:17, Stefan Bader wrote: > On 12.05.20 05:39, Jason Andryuk wrote: >> Two patches to fix building with a cf-protection toolchain. The first >> handles the case where the compiler fails to run with "error: >> ‘-mindirect-branch’ and ‘-fcf-protection’ are not compatible". >> >> The second fixes a runtime error that prevented Xen booting in legacy >> mode. > That might be better than just disabling fcf-protection as well (which was > done > in Ubuntu lacking a better solution).
It is a GCC bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93654 Fixed for 10, and 9.4 > > Not sure it was already hit but that additional .note section breaks the build > of the emulator as generated headers become gigantic: > > https://git.launchpad.net/ubuntu/+source/xen/tree/debian/patches/1001-strip-note-gnu-property.patch?h=ubuntu/focal 4.6G of notes?!? That is surely a toolchain bug. ~Andrew
