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

[Ender EREL]

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