Adrian Bunk: > On Fri, Jun 17, 2022 at 10:18:43AM +0200, Matthias Klose wrote: ... > > >... > > Link time > > optimizations are also at least turned on in other distros like Fedora, > > OpenSuse (two years) and Ubuntu (one year). > >... > > The idea is to file wishlist bug reports for those 373 packages and then see > > how far we get, and if it's feasible to already turn on LTO for bookworm. > > If not, it should be turned on by default for the following release. > > I assume these 373 packages have already been fixed/workarounded in Ubuntu? > Submitting 373 bugs with patches should settle the feasibility question. >
For my software (bart), it triggers a compiler bug where the compiler crashes. Martin > A bigger worry is the schedule of such a change. > A major toolchain change shortly before the freeze means the vast > majority of packages will be shipped with non-LTO builds in the release, > with security updates or point release updates triggering a change to > an LTO built package. > This means few packages actually benefitting from LTO, but a higher > regression risk when fixing bugs in stable. > The best timing for such a change would be immediately after the release > of bookworm. >
