On Tue, 19 May 2026 at 10:27, Thomas Huth <[email protected]> wrote: > > On 19/05/2026 11.18, Thomas Huth wrote: > > On 19/05/2026 10.24, Philippe Mathieu-Daudé wrote: > >> "32-bit *host* OS". > >> > >> Per ./configure script, we still allow: > >> - x86_64 x32 ABI (CPU_CFLAGS="-mx32") > > > > We should maybe deprecate that x32 ABI ... > > > >> - sparc32 (CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc") > > > > ... and that one as well? > > > >> - s390 (CPU_CFLAGS="-m31")
> > Uh, we really still allow 31-bit s390 hosts here? I think this could be > > removed nowadays, also upstream kernel recently ditched the 31-bit > > userspace: > > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ > > commit/?id=8e0b986c59c67e08ada646249f834655a9e6da16 > > > > Question is whether we can remove it immediately, or whether it needs to be > > deprecated first? > > Ah, wait, we completely disallow disallow 32-bit hosts nowadays: > > > https://gitlab.com/qemu-project/qemu/-/commit/372ec46b9f1215f48a4717f2b7ed969f65bfadc6 We relaxed that check before the 11.0 release in commit cf634dfcd8fc. We require a 64-bit host for the emulator binaries but still permit 32-bit host builds for the tools. thanks -- PMM
