[bug#28433] [WIP] Rust update

[Ludovic Courtès]

Danny Milosavljevic <address@hidden> skribis:

> On Sat, 28 Oct 2017 20:26:39 +0200
> address@hidden (Ludovic Courtès) wrote:
>
>> Danny Milosavljevic <address@hidden> skribis:
>> 
>> > Do we support lib32 a la "gcc -m32" ? How can we provide a working glibc 
>> > for that? It seems that rustc bootstrap is trying to use that option.  
>> 
>> We don’t support multilib, so glibc provides only 64-bit headers on
>> x86_64 (if you try -m32 there you’ll get an error about missing
>> <gnu/stubs-32.h> or something like that.)
>
> Yeah.
>
> What happens when I use an i686 host/target gcc and use "-m32" (rustbuild 
> does that)? Will it just ignore the option?

Yes, I think -m32 is a no-op in this case.

Ludo’.