2013/11/10 PCMan <pcman...@gmail.com>
> Hello,
> I recently did some gcc visibility-related stuff to most of the libraries
> we have.
> With this, we can avoid exporting unnecessary dynamic symbols.
> Take liblxqt for example, after using the gcc visibility trick, number of
> the exported symbols decreased by 50% (about 1000).
> This not only make the file size smaller, it also speed up runtime dynamic
> linking and symbol name resolution and make loading faster.
> I did not touch libqtxdg since it's more complicated.
> Other libs already received the treatment and the result was generally
> good.
>
> About lxqt-panel, I'd like to make building plugins outside the lxqt-panel
> source tree possible.
>
This is my dream and nightmare. First of all we should to improve cmake
files for the libraries. I started work on it
http://sourceforge.net/mailarchive/message.php?msg_id=31565649, but I don't
see any interest.
Now I added Qt5 support for xdgqt, and liblxqt. The liblxqt don't buildable
with Qt5, but cmake infrastructure is ready.
I'm using XXX_use files. Alternative is use cmake export/import
functionality, but I don't familiar with it. In any case we should do basis
for future changes. In the future we can drop XXX_use files and to add
cmake export/import.
If my approach is good, lets merge my changes to the trunk. And I can
continue working.
> These requires several changes.
> 1. lxqt-panel should be split into lxqt-panel and liblxqt-panel. All
> classes/functions used by the plugins should be in liblxqt-panel.
> 2. BuildPlugin.cmake should be reworked and create LxQtPanel-config.cmake,
> which is installable.
> 3. Install plugin API headers
>
> About #1, making core plugin API its own library liblxqt-panel is needed.
> Though without this back-linking from the plugins to the executable still
> works, it's not portable.
>
> After these are done, we can develop plugins outside the lxqt-panel source
> tree. So other third parties can develop lxqt panel plugins as well. We can
> also develop some distro-specific panel plugins, such as libindicator
> plugin for ubuntu.
>
> I haven't start doing this since Александр Соколов knows this much better
> than me, and also your comments and suggestions are needed.
>
> Cheers!
>
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--
Best regards,
Alexander.
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