Re: [gentoo-dev] Profile-enforced big-endian USE flag

[Mike Gilbert]

On Wed, Jun 28, 2017 at 6:29 PM, James Le Cuirot <chewi@g.o> wrote:
> On Wed, 28 Jun 2017 17:52:26 -0400
> Mike Gilbert <floppym@g.o> wrote:
>
>> On Tue, Jun 27, 2017 at 6:44 PM, James Le Cuirot <chewi@g.o> wrote:
>> > I am therefore proposing a new global big-endian flag. This could be
>> > masked by default and unmasked + forced in the relevant profiles under
>> > arch. I will apply this according to the mapping defined in tc-endian of
>> > toolchain-funcs.eclass.
>
> I've just been putting the patch together. I made it slightly simpler
> by masking *and* forcing it by default so that it only needs to be
> unmasked were necessary.
>
>> A possible alternative would be to create a new USE_EXPAND variable
>> for this. That would allow for easier expansion in case we ever
>> support something other than big/little endian machines.
>
> That way madness lies? Wikipedia talks about middle-endian as being the
> catch all for other random orderings that have appeared over the years
> but I don't think any of them were used on a system-wide basis. I can't
> imagine Linux ever supporting such a thing. Unless you're talking about
> dealing with soft vs hard float here too?

No, I'm not referring to anything specifically. Just wanted to point
out the possibility of having a multi-value variable instead of a
boolean.

If that seems very un-useful, please disregard.