From: Peter Seiderer <ps.report@gmx.net>
To: buildroot@busybox.net
Subject: [Buildroot] [RFC v1] libv4l: fix qv4l2 libatomic related compile failure
Date: Tue, 6 Feb 2018 22:02:59 +0100 [thread overview]
Message-ID: <20180206220259.4cd2d00f@gmx.net> (raw)
In-Reply-To: <20180204234301.39188706@windsurf>
Hello Thomas,
On Sun, 4 Feb 2018 23:43:01 +0100, Thomas Petazzoni <thomas.petazzoni@bootlin.com> wrote:
> 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.
The atomic usage comes from the Qt5 libraries (libQt5Core.so,
libQt5Gui.so and libQt5Widgets.so)...
Regards,
Peter
>
> Thomas
next prev parent reply other threads:[~2018-02-06 21:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-03 23:21 [Buildroot] [RFC v1] libv4l: fix qv4l2 libatomic related compile failure Peter Seiderer
2018-02-04 22:43 ` Thomas Petazzoni
2018-02-06 21:02 ` Peter Seiderer [this message]
2018-02-12 20:19 ` Thomas Petazzoni
2019-02-04 9:32 ` Yann E. MORIN
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180206220259.4cd2d00f@gmx.net \
--to=ps.report@gmx.net \
--cc=buildroot@busybox.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox