[Buildroot] [PATCH] libunwind: add patch to fix behavior for ARM < v6

[Peter Korsgaard]

>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni at free-electrons.com> writes:

 > Since libatomic_ops does not implement real atomic operations for
 > ARMv4 and ARMv5, libunwind must define AO_REQUIRE_CAS do indicate it
 > requires compare-and-swap operations, even if not available as real
 > atomic operations for the current architecture. In this case,
 > libatomic_ops will rely on emulated atomic operations, which also
 > require linking against libatomic_ops, which was until now not done by
 > libunwind.

 > This fixes the mysterious ltrace build issue:

 >   http://autobuild.buildroot.org/results/e1b/e1b330abfa2d80f3f30bc3359428ea429c690eb8/

 > Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
 > Cc: Baruch Siach <baruch at tkos.co.il>

Committed, thanks.

-- 
Bye, Peter Korsgaard