On Mon, Jun 7, 2021 at 5:43 PM Richard Purdie < richard.pur...@linuxfoundation.org> wrote:
> > https://bugzilla.yoctoproject.org/show_bug.cgi?id=10441 > > This doesn't look quite right? > Yes, that's the one. I assumed this was what you meant by, "Another option would be to have multiple uninative feeds based on gcc version rather than a single uninative one." https://bugzilla.yoctoproject.org/show_bug.cgi?id=10441#c1 This is a huge performance penalty to put onto the build unfortunately and > I really > don't want to do that by default on the autobuilder. We haven't seen many > of these > errors on the autobuilder and I'm reluctant to take the performance hit on > our testing. > I realize this is not ideal, but I guess the trade-off is dealing with these issues as they arise on a case-by-case basis. There were specific issues with gcc 4.8 and 4.9 which required separate > sstate. Do we > know which gcc version switched the default and can we force older gcc's > to use the > same default or does it not work? I'm wondering if we could split off a > "nopic" verison > of sstate for example for the older gccs? > gcc 6 introduced an --enable-default-pie configure option, but I'm not exactly sure where between Ubuntu 16.04 and Ubuntu 18.04 they picked that configure option up. Since packages based on the older gcc already exist in sstate, I think we would have to force the newer behavior on each affected package. I realize we can just swizzle the compiler flags on the affected packages to make things happy, but it seemed like this approach had at least been considered before, so I thought I would at least get some feedback.
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