From: Peter Korsgaard Date: Wed, 14 May 2014 09:29:56 +0200 Subject: [Buildroot] [PATCH] libunwind: add patch to fix behavior for ARM < v6 In-Reply-To: <1400017657-12704-1-git-send-email-thomas.petazzoni@free-electrons.com> (Thomas Petazzoni's message of "Tue, 13 May 2014 23:47:37 +0200") References: <1400017657-12704-1-git-send-email-thomas.petazzoni@free-electrons.com> Message-ID: <87tx8su8az.fsf@dell.be.48ers.dk> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net >>>>> "Thomas" == Thomas Petazzoni 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 > Cc: Baruch Siach Committed, thanks. -- Bye, Peter Korsgaard