[Buildroot] QtWebEngine on RPI 0 W

[Peter Seiderer <ps.report@gmx.net>]

Hello Rafa,

On Tue, 28 Jan 2020 01:41:07 -0600 (CST), rscr <rafacrespiramon@gmail.com> wrote:

> > Hi,
> >
> > I have built a custom image for RPI 0 W. Now I need QT with QtWebEngine.
> >
> > - As I am using  toolchain *arm-bcm2708/arm-rpi-4.9.3-linux-gnueabihf*, I
> > have to use Qt 5.6.3 because it is supported by GCC > 4.8
> >
> >Why stay with this old-gcc-version toolchain?
>
> - This toolchain is the one recommended in raspberry/tools github:
> https://github.com/raspberrypi/tools/blob/master/arm-bcm2708/arm-linux-gnueabihf
> <https://github.com/raspberrypi/tools/blob/master/arm-bcm2708/arm-linux-gnueabihf>
>
> If there is a new version, I didn't know it. I could use, for example, these
> toolchains? https://github.com/abhiTronix/raspberry-pi-cross-compilers
> <https://github.com/abhiTronix/raspberry-pi-cross-compilers>
>

Use an up-to-date buildroot generated one (downside is an increased build duration) ;-)

> >
> > ISSUE:
> >
> > When trying to build the image, I got building failed. Some of the errors
> > are:
> >
> > Running configuration tests (phase 1)...
> > /home/ibercomp/rcr/projects/cp4/buildroot/output/host/bin/arm-linux-gnueabihf-g++
> > -c -fvisibility=hidden fvisibility.c
> > Symbol visibility control enabled.
> > collect2: fatal error: cannot find 'ld'
> > compilation terminated
> > ...
> > Makefile:192: recipe for target 'db2.o' failed
> > ...
> > Makefile:192: recipe for target 'ibase.o' failed
> > ...
> > Makefile:195: recipe for target 'icu.o' failed
> > make[2]: *** [icu.o] Error 1
> > ICU disabled.
> > The ICU library support cannot be enabled.
> >
> >
> > Find attached my defconfig: cp4_defconfig.cp4_defconfig
> > <http://buildroot-busybox.2317881.n4.nabble.com/file/t2824/cp4_defconfig.cp4_defconfig>
> >
> >Important information missing, which buildroot version do you use?
>
> I am using buildroot-2019.02.09
>
> I will build the image again to provide the complete failure output....but
> If there is any solution where I could keep using QT 5.11.3 version with a
> GCC > 5 I prefer it.

Thanks for the info, will try to reproduce your failure (did try it with
buildroot-2019.11.1 but qt5webengine-5.6.3 compile failed because of
incompatibility with some of the version bumped dependent libs e.g.
ffmpeg, libjpeg, ...).

Regards,
Peter

>
> Kind Regards,
>
> Rafa
>
>
>
>
>
>
>
>
>
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