On Feb 14, 2021, at 20:11, Fred Wright wrote:
> On Sun, 14 Feb 2021, Ken Cunningham wrote:
>
>> The i386/x86_64 universal build looks fine too, so far, with all the
>> muniveral stuff out.
>>
>> Now -- have to see why it was ever put in there in the first place, I guess.
>
> One of the typical sources of trouble with "natural universal" builds is
> architecture-dependent configure checks, whose results are inherently forced
> to be single-valued across architectures. Since arm64 and x86_64 have both
> the same bitness and the same endianness, it might be a non-issue for that
> combination in many cases, even while being technically incorrect. If
> i386/x86_64 also works, that suggests that bitness isn't an issue, but
> endianness would be if ppc were included. Alignment is another potential
> issue, but less likely to be in these cases.
>
> Though another problem with this sort of issue is that merely building
> successfully doesn't verify that the code actually works correctly. Remember
> Apple was shipping Intel Macs to end users before they'd fixed all the endian
> bugs.
Thank you, Fred, you said everything I was going to say.
