[Buildroot] [RFC v1] libv4l: fix qv4l2 libatomic related compile failure

Thomas Petazzoni thomas.petazzoni at bootlin.com
Sun Feb 4 22:43:01 UTC 2018


Hello,

On Sun,  4 Feb 2018 00:21:27 +0100, Peter Seiderer wrote:
> Fixes [1]:
> 
>   sparc-buildroot-linux-uclibc/bin/ld: qv4l2-qv4l2.o: undefined reference to symbol '__atomic_fetch_add_4@@LIBATOMIC_1.0'
> 
> [1] http://autobuild.buildroot.net/results/baa2595e1acdf4e795fbb940ca57fd136c827da3

Did you analyze what part of the code is using atomic intrinsics? I
don't see any use of atomic instrisics in qv4l2 itself (but perhaps I
missed them), so they must be somewhere else.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com


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