[Haskell-beginners] Why aren't David Harley's QT bindings more popular?

[Tom Murphy]

On 6/28/11, Isak Hansen <isak.hansen at gmail.com> wrote:
> On Fri, Jun 24, 2011 at 11:31 PM, Michael Serra <mk.serra at gmail.com> wrote:
>
>> why do these bindings seem to be a less-popular option than
>> wxwidgets and gtk2hs?
>
> Licensing issues? -- http://qthaskell.berlios.de/doc/userGuide/license.html
>
> Spending any effort learning a GPL library is a non-option for me.
>

     Can anyone elaborate on this? Is there any way to (easily)
separate code, so that your app isn't completely under GPL?

Tom