[Buildroot] [PATCH] package/ndisc6: fix for codesourcery compilation

[vadim4j at gmail.com]

On Sat, May 09, 2020 at 06:39:43PM +0200, Thomas Petazzoni wrote:
> On Sat,  9 May 2020 20:05:03 +0300
> Vadym Kochan <vadim4j at gmail.com> wrote:
> 
> > trace-{udp,tcp}.c uses BSD-style headers, it builds ok on some
> > latest libc compilation because they use:
> > 
> >     __extension__ union
> > 
> > but for example on codesourcery toolchain 4.x version it requires that
> > __FAVOR_BSD is defined. So fix it by defining this define only for
> > tcp/udp headers.
> > 
> > Fixes: http://autobuild.buildroot.net/results/d05d5471d10a2b6634711ccad75d7f86d222cc31
> > 
> > Signed-off-by: Vadym Kochan <vadim4j at gmail.com>
> 
> Fixing issues for "codesourcery compilation" is wrong. What is being
> fixed is either a glibc-version related issue, or a gcc-version related
> issue. But we don't fix things for one specific toolchain.
> 
> Could you investigate a bit more, and reword the patch and commit log
> accordingly ?
> 

You are right, actually it was easier refer to codesourcery toolchain,
but yes the issue is related to glibc implementation in this case.
Will try to re-do the description.