From: Thomas Petazzoni via buildroot <buildroot@buildroot.org>
To: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Cc: Romain Naour <romain.naour@gmail.com>,
Giulio Benetti <giulio.benetti@benettiengineering.com>,
Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>,
buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 1/1] toolchain/Config.in: enable libatomic with BR2_BINFMT_FLAT
Date: Thu, 7 Mar 2024 13:49:16 +0100 [thread overview]
Message-ID: <20240307134916.32738b5e@windsurf> (raw)
In-Reply-To: <20240307122806.102726-1-fontaine.fabrice@gmail.com>
Hello Fabrice,
On Thu, 7 Mar 2024 13:28:06 +0100
Fabrice Fontaine <fontaine.fabrice@gmail.com> wrote:
> Enable libatomic with BR2_BINFMT_FLAT to avoid the following build
> failure with libopenssl and
> BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARMV7M_UCLIBC_STABLE:
>
> /home/buildroot/autobuild/run/instance-2/output-1/host/opt/ext-toolchain/arm-buildroot-uclinux-uclibcgnueabi/bin/ld.real: ./libcrypto.a(libcrypto-lib-threads_pthread.o): in function `CRYPTO_atomic_or':
> threads_pthread.c:(.text+0xfa): undefined reference to `__atomic_is_lock_free'
>
> Indeed, bootlin armv7m is an uclibc toolchain compiled with atomic
> support through libatomic
>
> This build failure is probably raised since activation of threads in
> static builds by commit ea3e60229bc5647e587685023de475276e28584d
>
> Fixes:
> - http://autobuild.buildroot.org/results/d25e898f9715bf6a21284807361a57735a7a2e1d
> - http://autobuild.buildroot.org/results/e37ed5ad6ba41d610bffe9c234f699e203ef5069
>
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Thanks for the patch. Do we know since when there is support for
libatomic for platforms that use the FLAT binary format? Is this
specific to ARM/FLAT, or applicable to all configurations that use the
FLAT binary format?
Thomas
--
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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next prev parent reply other threads:[~2024-03-07 12:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-07 12:28 [Buildroot] [PATCH 1/1] toolchain/Config.in: enable libatomic with BR2_BINFMT_FLAT Fabrice Fontaine
2024-03-07 12:49 ` Thomas Petazzoni via buildroot [this message]
2024-03-07 17:18 ` Fabrice Fontaine
2024-03-11 11:35 ` Thomas Petazzoni via buildroot
2024-03-12 7:18 ` Fabrice Fontaine
2024-05-12 8:15 ` Thomas Petazzoni via buildroot
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