On Sat, Oct 1, 2016 at 2:28 AM, Adam Borowski <kilob...@angband.pl> wrote: > On Fri, Sep 30, 2016 at 11:01:55PM +0200, Mathieu Malaterre wrote: >> On Fri, Sep 30, 2016 at 10:34 PM, John Paul Adrian Glaubitz >> <glaub...@physik.fu-berlin.de> wrote: >> [...] >> > On the other hand, some packages dropped support for PowerPC32 like Mono >> > but this isn't a concern for most users, I would say. >> [...] >> >> However I need to mention that the specific ppc/mono issue is in fact >> pretty interesting. The long thread is on debian-powerpc@l.d.o but the >> short version is that this issue only happen because we build the >> ppc32 mono version on a ppc64 kernel, I know that since I did debug >> this issue. > > Which, if I read the bug correctly, is a yet another case of a bogus > build system looking at characteristics of the machine it's compiled on > rather than baseline of the arch.
Well the bug is really upstream: one cannot assume page size at compilation time. But that is a different story. > And, per your own work, it's +patch +fixed-upstream. Wow ! In fact I just realize my patch was against git/master at the time, and was never backported. Need to get this fixed ASAP. >> I have not heard from the ppc64el porters, but I suspect ppc64 will >> not be a release arch. So you need to take into consideration that for >> powerpc to remain a release arch, one need minimal working ppc64 port. >> Could we solve the situation of ppc64 for Stretch, could it be moved >> to official release arch ? > > What would you need ppc64 for? Unlike i386, powerpc includes 64-bit > kernels so users don't need multiarch: > > powerpc has: > linux-image-4.7.0-1-powerpc - Linux 4.7 for uniprocessor 32-bit PowerPC > (signed) > linux-image-4.7.0-1-powerpc-smp - Linux 4.7 for multiprocessor 32-bit PowerPC > (signed) > linux-image-4.7.0-1-powerpc64 - Linux 4.7 for 64-bit PowerPC (signed) > i386 has: > linux-image-4.7.0-1-686-pae-unsigned - Linux 4.7 for modern PCs > linux-image-4.7.0-1-686-unsigned - Linux 4.7 for older PCs > linux-image-4.7.0-1-grsec-686-pae - Linux 4.7 for modern PCs, Grsecurity > protection > linux-image-4.7.0-1-686 - Linux 4.7 for older PCs (signed) > linux-image-4.7.0-1-686-pae - Linux 4.7 for modern PCs (signed) > > Note the joke: "for modern PCs". Unless you do embedded it takes some > serious dumpster diving to find a machine not better served by an -amd64 > kernel (and thus multiarch). The i386 architecture is not self-contained, > powerpc is. > > Thus, there is no need for ppc64 (userland), as long as powerpc has the > toolchain to build 64-bit kernels. And that's a primary target for gcc > upstream. Great ! That's all I wanted to check. I was worried we would need buildd(s) running on ppc64el.
