Newer hwcap failures

[Adhemerval Zanella]

On 29/01/2021 09:31, Florian Weimer via Libc-alpha wrote:
> * Szabolcs Nagy via Libc-alpha:
> 
>> hm ok i use --host=i686-linux-gnu but not build
>> may be i should add --build too.
> 
> I can reproduce the issue with
> 
>   ../git/configure --prefix=/usr CC="gcc -m32" CXX="g++ -m32" \
>     --host=i686-linux-gnu
> 
> on a multilib x86-64 system.  This means that I now have something to
> investigate.

I have a working solution here that add a new test-container rule to
trigger a ldconfig after container is setup.