[Qt-interest] Difficulties with statically linking plugins

[Malyushytsky, Alex]

Make sure you read the following:
http://doc.qt.nokia.com/4.6/plugins-howto.html#static-plugins

Make sure you define Q_IMPORT_PLUGIN as mentioned there.


A few years ago I tried to have QT built statically on Windows with MSVC 2005 ( really static, not just build Qt static libraries which depend on dynamic CRT).
Even I succeed to build without warning and most functionality worked just fine ,
I failed to fix all the issues which I found.

I never really tried the same under Linux.

But on the Windows I would not recommend it since I don't think policy on static linking changed and
it means problems I discovered (and not discovered) were fixed.

Regards,
   Alex



-----Original Message-----
From: qt-interest-bounces at trolltech.com [mailto:qt-interest-bounces at trolltech.com] On Behalf Of Atlant Schmidt
Sent: Tuesday, August 24, 2010 9:38 AM
To: Bo Thorsen
Cc: qt-interest at trolltech.com
Subject: Re: [Qt-interest] Difficulties with statically linking plugins

Bo:

  But this really isn't a "plugin" problem in the sense
  that I'm not attempting to do any dynamic plugging-in
  of the plug-in; I'm just trying to convince gcc (ld,
  etc.) to find and link the plug-in's archive library
  (.a file) and successfully extract from it.

  And gcc (ld, etc.) and Qt seem to be at some odds here.

                           Atlant

-----Original Message-----
From: Bo Thorsen [mailto:bo at sonofthor.dk]
Sent: Tuesday, August 24, 2010 10:39 AM
To: Atlant Schmidt
Cc: qt-interest at trolltech.com
Subject: Re: [Qt-interest] Difficulties with statically linking plugins

Den 24-08-2010 13:48, Atlant Schmidt skrev:
> Folks:
>
> No one has any suggestions/feedback/scathing remarks?
>
> Is anyone on the list linking Qt statically?
>[snip]
> I'm trying to statically link my Qt application and running into
> several problem with plugins:

It's not that we don't have any ideas, the problems is with Qt plugin
problems, there's no way to figure out what happens, other than
singlestep through the plugin loader code. At least, that's what I would do.

Sorry, but that's the best I can do without access to the full system.

Bo.

--

Bo Thorsen, Fionia Software
Expert Qt and C++ developer for hire
Mail me if you need a hand with your Qt code

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