Re: Creating an app with optional GTK support

[Chris Moller <moller mollerware com>]

On 05/14/10 06:26, Andreas Falkenhahn wrote:
> Hi,
>
> I'm currently developing an X11 app and would like to use GTK only for the
> file chooser dialog. The rest is done entirely in X11. However, the GTK
> support shall be optional. If GTK is there, then my app will use the GTK
> file chooser. If GTK is not there, I'll simply ask for a file name using a
> fgets() on stdin :-)
>
> Now to my question: Because I want my app to run even if GTK is not
> present, I can't link against the GTK libs. Instead, I have to use
> dlopen() and manually read the function pointers of the functions I need
> using dlsym(). This all works fine so far, except one thing: There are
> name discrepancies across the different distros. For example, comparing
> openSUSE and Ubuntu:
>    

Might be simpler to write a stand-alone file chooser app in GTK+ and, if 
needed, talk fork()/exec() it and talk to it through pipes or sockets.  
(I have a GTK+ wrapper for a closed-source implementation of APL that 
does this.  It works fine.)