From: Peter Korsgaard <jacmet@uclibc.org>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] libunwind: add patch to fix behavior for ARM < v6
Date: Wed, 14 May 2014 09:29:56 +0200 [thread overview]
Message-ID: <87tx8su8az.fsf@dell.be.48ers.dk> (raw)
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")
>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni@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@free-electrons.com>
> Cc: Baruch Siach <baruch@tkos.co.il>
Committed, thanks.
--
Bye, Peter Korsgaard
next prev parent reply other threads:[~2014-05-14 7:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-13 21:47 [Buildroot] [PATCH] libunwind: add patch to fix behavior for ARM < v6 Thomas Petazzoni
2014-05-14 7:29 ` Peter Korsgaard [this message]
2014-05-14 20:47 ` Baruch Siach
2014-05-15 7:51 ` Thomas Petazzoni
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