Re: [LTP] [PATCH v3 1/4] include: tst_clone.h: Fix possible MUSL build failures

[Petr Vorel <pvorel@suse.cz>]

Hi Cyril,

> The problem is that on musl sched.h exposes clone() when _GNU_SOURCE is
> defined and at the same time sched.h does not get pulled before
> tst_clone.h gets included, which means that the macro from tst_clone.h
> that rewrites clone() functions actually rewrites the function
> declaration in the system header.

BTW glibc guards clone() with #ifdef __USE_GNU, which should have the same
effect as _GNU_SOURCE. I wonder why only musl got broken.

> We remove the tst_clone.h from the old library because the newly
> included sched.h causes conflicts in the cpuset/cpuset_lib/ directory
> and the tst_clone.h header is used only in a single old library test
> i.e. clone02.c.

> This commit is needed in order to avoid build failures in the next
> commits that add support for the shell test library.

Thanks for fixing this!

Reported-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: Petr Vorel <pvorel@suse.cz>

Kind regards,
Petr

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