[Buildroot] [PATCH v2] util-linux: fix static builds with uClibc
Peter Korsgaard
peter at korsgaard.com
Tue Feb 2 08:40:28 UTC 2016
>>>>> "Lada" == Lada Trimasova <Lada.Trimasova at synopsys.com> writes:
> In case of uClibc librt depends on libpthread. In particular
> timer_create() function uses pthread_XXX(). That means in case
> of static builds it's required to link not librt alone but
> together with libpthread. So if checking timer_create function
> in librt fails, it is necessary to check if timer_create function
> successfully links with "-lpthread".
> That issues was spotted in Buldroot autobuilder failures:
> http://autobuild.buildroot.net/results/759/75960db671807091fe9155aee9e46a6245e32590/
> http://autobuild.buildroot.org/results/112/112e8b85783f5aaba42a937a6eb064317615a21b/
> 0005-build-sys-use-REALTIME_LIBS.patch is a back-port of upstream
> https://github.com/karelzak/util-linux/commit/b97edfe731fdf3d3e92e40494b22658207ab6d3c
> that won't apply cleanly on v2.27.1
> 0006-buildsys-fix-static-configuration-and-building.patch was just
> applied upstream, see https://github.com/karelzak/util-linux/commit/71a77ca1ddfdd7e0d14caad9e8a607a83d61a45c
> Both patches must be removed on util-linux version bump.
> Signed-off-by: Lada Trimasova <ltrimas at synopsys.com>
> Cc: Alexey Brodkin <abrodkin at synopsys.com>
> Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> Cc: Peter Korsgaard <peter at korsgaard.com>
> ---
> v1 of this patch http://patchwork.ozlabs.org/patch/549236/ by Alexey Brodkin
> changes v1->v2:
> - fix typo in timer_create_function
> - use libpthread only if necessary.
Committed, thanks.
--
Venlig hilsen,
Peter Korsgaard
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