On Thu, May 7, 2020 at 9:24 AM Jakub Jelinek <ja...@redhat.com> wrote: > > On Thu, May 07, 2020 at 09:02:58AM +0200, Richard Biener wrote: > > Hmm. IIRC it required special-handling in the individual libs - Jakub > > may remeber (IIRC > > he implemented short-cutting libsanitizer builds) > > Just fuzzy memories, but I think the libsanitizer case was that it the build > of that is extremely slow due to the huge sources. > > > For libstdc++ there's also a bugreport I opened at some point - we're > > using the target > > runtime for the host when not cross-compiling but it would be better > > to build the host > > libraries only - target libs need not be bootstrapped and host ones > > are not multilib. > > Perhaps not for stage1, but don't we want multilibs for stage2 so that > we compare not just the primary multilib, but also objects of the other > multilib as a way to e.g. catch -m32 only related issues?
We don't compare target libs at all, just host objects ... Richard. > Jakub >