From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Petazzoni Date: Sun, 4 Feb 2018 23:43:01 +0100 Subject: [Buildroot] [RFC v1] libv4l: fix qv4l2 libatomic related compile failure In-Reply-To: <20180203232127.22765-1-ps.report@gmx.net> References: <20180203232127.22765-1-ps.report@gmx.net> Message-ID: <20180204234301.39188706@windsurf> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net 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