[Qt-interest] plugin can't be loaded under Windows

[Dong Tiger]

Hi Ender,

The error msg says "(The plugin) uses incompatible Qt library. (Cannot mix
debug and release libraries.)". So I think you are right. But I have no idea
why it happens since all the code are in same CMake project and built with
same configuration.

--
Tiger


2009/7/10 Ender EREL <erelender at yahoo.com>

> Dong Tiger wrote:
> > Hi,
> >
> > I ran into a strange problem. I am using
> > Qt(qt-sdk-win-opensource-2009.01.1) and MinGW(gcc 4.4.0). CMake is used
> > as the build system. And I used Qt Plugin mechanism in my program.
> >
> > If I compile the code with debug enabled ( cmake
> > -DCMAKE_BUILD_TYPE=debug), plugins will be loaded successfully. But if
> > not, QPluginLoader::instance just returns NULL.
> >
> > I tried to compare the cmd line of debug mode and non debug mode. The
> > only difference seems to be that in debug mode there is " -DQT_DEBUG" in
> > g++ arguments and non-debug mode doesn't have that.
> >
> > Any idea of that? TIA.
> >
> > --
> > Tiger
>
> What does QPluginLoader.errorString() method return?
>
> If the plugins are built in debug mode and your application is built in
> release mode, the configuration difference may be causing this.
>
> --
> Ender EREL
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