On Tue, Jul 28, 2020 at 9:03 PM Steven Munroe <munroesj52(a)gmail.com> wrote:
Dave Love writes:
> It surprises me if that's IBM experience, and it's a bit worrying for our
new system.
I no longer speak for IBM (retired) so more of a personal Linux for POWER opinion. But
the Advance Toolchain (AT) provides the counter example and as it's on the 13th
release (follows GCC releases, AT14 coming soon) I would say useful and valid. AT does
separate builds for each distro it supports but the RHEL 8 build, installs on Fedora.
Full disclosure, AT was my idea. The goal was to enable new POWER hardware feature for
customers, who insisted on running old (stable) distributions.
Now it is likely DevToolSet has different and conflicting goals. I am willing to accept
that and move on.
> Really, it isn't necessary, any more than it was for me on the Fedora
development system.
Well it is, as PVECLIB supports BE and LE. And a chroot will not handle that.
fedora dropped support for big-endian ppc64 a while ago (looks like
with fedora 29), only ppc64le is now supported.
Also, mock *can* handle virtualisation / emulation in addition to
basic chroots / containers, so it *does* support running builds on
non-native architectures via QEMU (via the --forcearch CLI argument).
Your mileage may vary though, mostly this is pretty slow :)
Fabio
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