re: CVS commit: src/include

[matthew green <mrg%eterna.com.au@localhost>]

Christos Zoulas writes:
> In article <20180207130259.GA21472%britannica.bec.de@localhost>,
> Joerg Sonnenberger  <joerg%bec.de@localhost> wrote:
> >On Tue, Feb 06, 2018 at 03:21:21PM -0500, Christos Zoulas wrote:
> >> Module Name:	src
> >> Committed By:	christos
> >> Date:		Tue Feb  6 20:21:21 UTC 2018
> >> 
> >> Modified Files:
> >> 	src/include: unistd.h
> >> 
> >> Log Message:
> >> detect duplicate declaration of pthread_atfork() in pthread.h
> >
> >Is this for some new broken GCC warning?
> >
> 
> This is what the compiler said, and we have prior art for this (macro
> protect to avoid dup declarations -- grep for _DECLARED).

why is it a problem to declare the functino twice?

what was the context of the compiler?


.mrg.