[Qt-interest] problems finding sql plugins on Windows (Qt4.4.3)

[Ross Bencina]

David García wrote:
> It is possible that the path of the installation would contains
> spaces? In Windows enviroments it can be hurt.

Hi David

Well yes there are spaces, everything usually ends up in C:/Program 
Files/AudioMulch 2.0.x/  I do hope Qt can deal with that, it would be a 
major flaw for a cross-platform framework if it didn't.

But this shouldn't be a problem when using the -qt-sql-sqlite configure 
flag, because the plugin is statically linked in to QSql.dll

I assume there's some other problem with loading the embedded plugin. I 
already had my customers clear the plugin cache in the registry but that 
didn't help. One possibility which I just thought of is that I'm only 
shipping with the QSql.dll configured with -qt-sql-sqlite, the other Qt DLLs 
are older versions built without that flag -- would that affect plugin 
loading?

Thanks

Ross.


El 13/08/2009, a las 6:33, Ross Bencina escribió:

> Hi All
>
> I ship the Qt dlls with my app, including the sqllite plugin.
>
> I found that when the app was installed on a non-root (C:) volume on
> Windows, Qt sometimes didn't find the sqllite plugin (which means
> Assistant
> couldn't open my help file).
>
> So, I rebuilt Qt with the -qt-sql-sqlite which helped on some
> systems, but
> now I'm getting reports of "Cannot load sqlite database driver" even
> when
> its installed on C:
>
> Aside from specifying the -qt-sql-sqlite flag is there anything else
> I need
> to do to static link the sql lite plugin?
>
> Thanks!
>
> Ross.
>
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