[Buildroot] [PATCH] build/advanced: add option to check for use of cdefs.h

[Yann E. MORIN <yann.morin.1998@free.fr>]

Thomas, All,

On 2016-12-04 13:52 +0100, Thomas Petazzoni spake thusly:
> On Sun,  4 Dec 2016 11:59:37 +0100, Yann E. MORIN wrote:
> > We want to catch programs that directly include sys/cdefs.h so that
> > we can fix them not to. So, we want to instrument sys/cdefs.h to emit
> > a warning when it is included.
> 
> Thanks for working on this. However, I am still not convinced that we
> want to merge such an additional complexity (one new Config.in choice
> with three sub-options, two additional Config.in options), a cdefs.h
> wrapper for glibc/uclibc, etc.
> 
> Do we really care about upstream packages using sys/cdefs.h? Is it
> really the most important battle to fight against upstream projects
> using sys/cdefs.h?

I don't really care. I did some cleanups and changes according to
comments to the previous, initial iteration, and just sent it to the
list for a final review before I delete it locally.

So, at least, it is in the list archives for posterity, in case we
want/need to revisit this later on.

Regards,
Yann E. MORIN.

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