[LTP] [PATCH v2] syscalls/brk: add direct syscall tst_variant

[Petr Vorel]

Hi Teo,

...
> > Looking on extra brk() support detection, you must have tested it on Alpine.
> > What am I missing?
> That is quite strange indeed. As Richard pointed out in his reply to this
> message, those warnings should not happen anymore since my patch that
> changed tst_syscall to use intptr_t. ( e5d2a05a90e5 : regen.sh: Use intptr_t
> for tst_syscall return )
> However, I believe that the relevant header is only regenerated when running
> ./configure , not when building normally. I know that I forgot to do it a
> few times myself while testing the change to tst_syscall !
> To be sure that it is supposed to work, I did the following on an Alpine VM
> I used for testing :

> make clean
> make autotools
> ./configure

I'm sorry to forget basic LTP things. Setup was really old, thus rerunning
configure was needed.
No more objections from my side, merged with changes I previously posted
(to keep checks happy).

Thank you!

Kind regards,
Petr