[Qtwebengine] "qmake -r" error -- unknowm model: webchannel

Kevin Truong kevin at diffbot.com
Thu Nov 5 00:34:52 CET 2015


Hi Michael,

Thanks for the suggestion! Downloading qt 5.5.0 from the link you gave
fixed the issue.

Best,
Kevin

On Wed, Nov 4, 2015 at 12:28 AM, Bruning Michael <
Michael.Bruning at theqtcompany.com> wrote:

> Hi Kevin,
>
>
> the newer versions of QtWebEngine depend on the QtWebChannel and
> QtWebSockets modules, so you either have to build and install those as well
> or check out an older version of QtWebEngine that matches the Qt you have
> installed. Also, you might want to download a version of qt from
> http://download.qt.io/official_releases/qt/
>
>
> Best regards,
>
> Michael
>
>
> ------------------------------
> *From:* QtWebEngine <qtwebengine-bounces at qt-project.org> on behalf of
> Kevin Truong <kevin at diffbot.com>
> *Sent:* Tuesday, November 3, 2015 21:08
> *To:* qtwebengine at qt-project.org
> *Subject:* Re: [Qtwebengine] "qmake -r" error -- unknowm model: webchannel
>
> I don't know if this helps, but apparently I have both qt4 and qt5 plugins
> installed, as well as qtchooser.
>
> Here is the output of "make --version":
> QMake version 3.0
> Using Qt version 5.4.1 in /usr/lib/x86_64-linux-gnu
>
> I installed Qt5 via sudo apt-get. I am guessing qt4 and qtchooser was
> installed from the WebKitGtk+ installation scritps.
>
>
> On Tue, Nov 3, 2015 at 11:41 AM, Kevin Truong <kevin at diffbot.com> wrote:
>
>> Hi,
>>
>> I am trying to get qt webengine running on my laptop. I ran into some
>> issues and would greatly appreciate any help. I am following the
>> instructions from here:
>>
>> https://wiki.qt.io/QtWebEngineHowToTry
>>
>> On the last few steps, I had to run "qmake -r" on the qtwebengine
>> directory. This is the output:
>>
>> SSL............................... Using system NSS
>> ICU............................... Using internal copy (Default, force
>> system ICU with WEBENGINE_CONFIG += use_system_icu)
>> FFMPEG............................ Using internal copy (Default, force
>> system FFMPEG with WEBENGINE_CONFIG += use_system_ffmpeg)
>> Proprietary codecs (H264, MP3).... Not enabled         (Default, enable
>> with WEBENGINE_CONFIG += use_proprietary_codecs)
>> Reading /home/kevin/workspace/qtwebengine/src/src.pro
>>  Reading /home/kevin/workspace/qtwebengine/src/core/core.pro
>>   Reading /home/kevin/workspace/qtwebengine/src/core/
>> core_gyp_generator.pro
>> Project ERROR: Unknown module(s) in QT: webchannel
>>
>> This error happened right after I installed WebKitGtk+ from here (
>> http://trac.webkit.org/wiki/BuildingGtk) and ran "Tools/gtk/install-dependencies"
>> and "Tools/Scripts/update-webkitgtk-libs".
>>
>> (I installed WebKitGtk+ because, previously, running "qmake -r" on the
>> qtwebengine directly resulted in an "unmet dependency: harfbuzz" error that
>> I tried to fix on my own via google, and the WebKitGtk+ page was the only
>> lead I could find that would supposedly fix that issue).
>>
>> I am running on a (mostly freshly reformatted) Ubuntu 15.04 laptop.
>>
>> Any help would be greatly appreciated! I would love to try out qt
>> webengine.
>>
>> Thank you for your time,
>> Kevin
>>
>
>
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