[Buildroot] [autobuild.buildroot.net] Build results for 2019-07-27

[Peter Seiderer]

Hello Bernd,

On Mon, 29 Jul 2019 08:08:02 +0200, Bernd Kuhls <bernd.kuhls at t-online.de> wrote:

> Am Sun, 28 Jul 2019 06:00:35 +0000 schrieb Thomas Petazzoni:
>
> >        sparc |                    vlc-3.0.7.1 | NOK |
> >        http://autobuild.buildroot.net/results/
> c9be4ef68c9c5d018e4084c52215ce69f0c72538
>
> Hi,
>
> having no idea what the root cause of the qt5-related build error is I
> would just like to post the manual changes needed to fix the build error:
>
> Only vlc version 3.0.7.1 is affected
> http://autobuild.buildroot.net/?reason=vlc-3.0.7.1
> although I fail to see any changes upstream which could cause them:
>
> http://git.videolan.org/?p=vlc/vlc-3.0.git;a=shortlog;h=refs/tags/
> 3.0.7.1-1
>
> Instead it seems some libQt*.la files are seriously broken causing the
> build error, analyzed http://autobuild.buildroot.net/results/f19/
> f19d509167ea5d38cba54ae53016caaeb0a076d5/:
>
> libtool:   error: cannot find the library '' or unhandled argument '/data/
> buildroot/buildroot-test/instance-0/output/host/riscv64-buildroot-linux-
> gnu/sysroot/usr/lib/libQt5Widgets.so'
>
> In the following lines I will show the .la content after the qt5 packages
> were built and the manual changes needed to fix the vlc build error:
>
> libQt5Svg.la
> old:
> dependency_libs='-latomic /home/bernd/buildroot/br6/output/host/riscv64-
> buildroot-linux-gnu/sysroot/usr/lib/libQt5Widgets.so /home/bernd/
> buildroot/br6/output/host/riscv64-buildroot-linux-gnu/sysroot/usr/lib/l
> ibQt5Gui.so /home/bernd/buildroot/br6/output/host/riscv64-buildroot-linux-
> gnu/sysroot/usr/lib/libQt5Core.so -lpthread -lrt -lpthread -ldl '
>
> new:
> dependency_libs='-latomic -lQt5Widgets -lQt5Gui -lQt5Core -lpthread -lrt -
> lpthread -ldl '
>
> Build error changes to
>
> libtool:   error: cannot find the library '' or unhandled argument '/
> libQt5Gui.so'
>
> libQt5Widgets.la
> old:
> dependency_libs='-latomic /libQt5Gui.so /libQt5Core.so -lpthread -lrt -
> lpthread -ldl '
>
> new:
> dependency_libs='-latomic -lQt5Gui -lQt5Core -lpthread -lrt -lpthread -
> ldl '
>
> Build error changes to
> libtool:   error: cannot find the library '' or unhandled argument '/
> libQt5Core.so'
>
> libQt5Gui.la
> old:
> dependency_libs='-latomic /libQt5Core.so -lpthread -lrt -lpthread -ldl '
>
> new:
> dependency_libs='-latomic -lQt5Core -lpthread -lrt -lpthread -ldl '

See mail thread [1] (and special [2]) for analysis and possible solutions....

Regards,
Peter

Note: The libv4l/qv4l2 build succeeds without AUTORECONF, fails with AUTORECONF
for the same la files...

[1] http://lists.busybox.net/pipermail/buildroot/2019-July/254797.html
[2] http://lists.busybox.net/pipermail/buildroot/2019-July/254869.html

>
> Now the vlc builds succeeds.
>
> Regards, Bernd
>
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