Re: "x86" configuration not supported by m4/stack-direction.m4

[Thomas Weißschuh]

Hi Bruno,

On 2021-12-16 18:01+0100, Bruno Haible wrote:
> Thomas Weißschuh wrote:
> > it seems m4/stack-direction.m4 is missing an entry for the "x86" cpu
> > configuration which is regarded as valid by config.sub.
> > (autoconf 2.71, converted to "x86-unknown-none")
> 
> "x86" is an ambiguous term, because it encompasses also 8086, 80186, 80286;
> these are CPUs which cannot run a modern operating system.
> 
> You should instead use
>   i386
>   i486
>   i586
>   i686
>   i786
>        for processors with 32-bit instruction set (a.k.a. IA-32),
>   x86_64
>        for processors with 64-bit instruction set (a.k.a. AMD64 or
>        EM64T)
>   ia64
>        for processors with VLIW 64-bit instruction set (a.k.a. IA-64).

The triplet is generated by another tool and I'm also trying to get it fixed
there.

But I think an entry for "x86" in m4/stack-direction.m4 would still be correct,
although suboptimal, and can prevent issues for users.

Thomas