KConfig compiler. GenerateProperties and Mutable.

[Aleix Pol]

On Fri, May 13, 2016 at 1:02 PM, Artem Fedoskin <afedoskin3 at gmail.com> wrote:
> Hi Aleix,
>
> I'm sorry for late reply. I was trying to compile KStars for Android and
> struggled a bit with compiling KF5.
>
> 1. I don't know whether this is a problem or a feature - When I compile my app
> for Android and use KConfig compiled for Android the ARM version of
> kconfig_compiler is executed to build options class. I had to change
> kconfig_compiler executable compiled for Android with the one compiled for
> my system to build options class. Can I somehow specify to CMake that I need
> kconfig_compiler built for my system, not Android and at the same time use
> Android version of KConfig?
Use KF5_HOST_TOOLING variable to point to your host tooling.

> 2. I found that mSettingsChanged is included only in
> kconfig/autotests/kconfig_compiler/test_signal.h.ref but there is no mention
> of it in kconfig_compiler.cpp. Could you please tell me what can be the
> reason why val on kconfig_complier.cpp:2061 is 0?

Please try to understand what's the algorithm.

> 3. Some of KF5 modules can be compiled using the script provided by KDE but
> unfortunately it doesn't support KIO. I saw from your blog posts that you
> have experience with building for Android. Could you please point me where
> should I start building KIO for Android?
https://community.kde.org/Android

Cheers!
Aleix

> Regards,
>
> Artem Fedoskin
>
>
> 2016-05-10 16:49 GMT+02:00 Aleix Pol <aleixpol at kde.org>:
>>
>> On Mon, May 9, 2016 at 8:02 PM, Artem Fedoskin <afedoskin3 at gmail.com>
>> wrote:
>> > Dear KDE developers,
>> >
>> > For my GSoC 2016 project at KDE (Lite version of KStars for mobile
>> > devices)
>> > I need to access C++ class generated from XML configure file with
>> > KConfig
>> > compiler from QML. I found in this patch
>> > https://git.reviewboard.kde.org/r/123367/ and in the source code of
>> > KConfig
>> > compiler that I should set GenerateProperties=true in my .kcfgc file to
>> > create option properties as Q_PROPERTY. However, I got following error
>> > "Too
>> > many signals to create unique bit masks". There is some conflict between
>> > Mutators and GenerateProperties options that causes this error in my XML
>> > configure file but I can't figure out what I should change to have
>> > setters
>> > in Q_PROPERTY.
>> >
>> > Would be grateful if someone could help me with this issue.
>> >
>> > Options.kcfgc - https://paste.kde.org/pm1klcbls
>> >
>> > kstars.kcfg - https://paste.kde.org/phit6qibo
>>
>> Hi Artem,
>> KConfigCompiler is limited in this regard by an implementation detail.
>> See "uint mSettingsChanged;".
>>
>> To solve it, I would patch kconfig_compiler and turn it into an
>> std::vector<bool> or patch kstars.kcfg to use separate config files
>> rather than a huge one.
>>
>> HTH,
>> Aleix
>
>