[Buildroot] [PATCH 1/1] package/apcupsd: fix missing __exchange_and_add symbol

[James Hilliard]

On Mon, Aug 17, 2020 at 3:08 AM James Hilliard
<james.hilliard1 at gmail.com> wrote:
>
> On Mon, Aug 17, 2020 at 1:28 AM Yann E. MORIN <yann.morin.1998 at free.fr> wrote:
> >
> > James, All,
> >
> > On 2020-05-13 03:43 -0600, James Hilliard spake thusly:
> > > On Wed, May 13, 2020 at 3:22 AM Thomas Petazzoni
> > > <thomas.petazzoni at bootlin.com> wrote:
> > > > On Wed, 13 May 2020 01:35:37 -0600
> > > > James Hilliard <james.hilliard1 at gmail.com> wrote:
> > > > > It seems libsupc++.a is missing __exchange_and_add for uclibc on some
> > > > > platforms so link with libstdc++ as well on sparc and arcle.
> > [--SNIP--]
> > > > Meh. We really want to fix that in uClibc, if it's a uClibc issue.
> > > Well no idea if it's a bug in uClibc but the failures seem to be
> > > limited to builds
> > > using uClibc. The libsupc++.a library appears to be originating from
> > > gcc, I don't
> > > really know why this issues seems to be specific to uClibc and those 2 archs.
> >
> > Pleas see the reply I wrote to another similar patch:
> Not sure if that's really getting at the real issue, I found this which seems
> likely to be related to the root cause of the failure:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70560
Looks like this is confirmed to be a gcc/libstdc++ bug, see here for details:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96657
> >
> >     http://lists.busybox.net/pipermail/buildroot/2020-August/289411.html
> >
> > Regards,
> > Yann E. MORIN.
> >
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