On Tue, Nov 07, 2023 at 09:25:00PM +0800, Qian Yun wrote:
>
>
> On 11/7/23 21:14, Waldek Hebisch wrote:
> >
> > On my machine this is slightly shorter: x86_64-linux-gnu. Such
>
> This is because you tweaked config/config.guess, right?
Yes.
> This is another reason I wanted to abandon this scheme.
> I want to sync config/config.guess with upstream, it will be needed
> for the ARM Macs.
Yes, we need to update config/config.guess for Apple machines.
> (And this tweak caused problems for SAGE, IIRC.)
AFAIUI it was purely imaginary problem, they complained that
FriCAS uses its own config.guess but did not mention any
actual problem.
> > convention is needed to install bianaries for different architectures
> > in the same filesystem. You may think that installing binaries
> > for multiple architecures is exotic, but in fact in last 10 years
> > Linux distribitions spent a lot of effort so that this works
> > smoothly for basic system software. It would be a shame if
> > FriCAS regressed on this.
>
> This can be achieved by using different --prefix?
Well, this would be doing things manually instead of automatic
support.
> Also, how did you build and run different archs on one machine?
Well, one case is 32-bit and 64-bit support on the same machine.
Related is biendian machine or multiple ABI-s (single hardware
architecture, but multiple architectures from software point
of view).
Classic case is running binaries on multiple machines having
different architectures but sharing network filesystem.
--
Waldek Hebisch
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