Re: install/48303: Linux cross build fails on ppc

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Mon, Oct 28, 2013 at 11:21:11AM +0000, Justin Cormack wrote:
> On Mon, Oct 28, 2013 at 11:00 AM, Joerg Sonnenberger
> <joerg%britannica.bec.de@localhost> wrote:
> > On Mon, Oct 28, 2013 at 10:32:54AM +0000, Justin Cormack wrote:
> >> I looked at where this was being redefined and it is in compat_defs.h
> >> and the following patch fixes this issue, which makes it somewhat
> >> simpler than I thought to fix. The only question is whether undefining
> >> __unused is necessary on some other platform, in which case the
> >> #define __unused could be wrapped eg in #ifndef __linux__ which should
> >> be safe.
> >
> > This change is not acceptable as it will break any place using __unused.
> > The short version is that the glibc header shouldnt' be doing this.
> > There are even comments in sys/cdefs.h about the compat issues. Most
> > other places seem to be using __unused1 or similar, which is perfectly
> > fine. Please submit a bug report against glibc...
> 
> Well I could try but last time someone did they did not get a very
> good response. Ulrich Drepper has gone now, so it might be better.
> 
> https://sourceware.org/ml/libc-alpha/2012-01/msg00039.html

Remind them to read sys/cdefs.h...

Joerg