Re: glade_xml_signal_autoconnect cannot find functions NOT in shared libs?

[wallace owen l-3com com]

I remember libglade's FAQ/howto has a clue on this topic: there's a link
option or something that tells the executable to export it's symbols so
they can be seen by the dynamic loader.  I don't remember what it is,
but I remember your symptoms.


  // Wally

On Thu, 2007-07-19 at 15:19 -0500, david hagood gmail com wrote:
> I am trying to rough out my first GTK app, and am trying to use
> glade_xml_signal_autoconnect to handle hooking up the signals.
>
> I can successfully hook up the signals contained withing libgtk, however,
> any attempt to connect functions that are defined within my app fails with
> a "libglade-WARNING **: could not find signal handler " message.
>
> I'm guessing the problem is that GModule is not finding any symbols
> contained within the executable itself, as opposed to symbols in shared
> libraries, but I'd like to confirm this, and get any work-arounds anybody
> may have.
>
> The code is C++, with the signal handles marked as 'extern "C"' to a)
> insure visibility and b) insure no mangling. They do show up when I do an
> "objdump -t" so I know they are actually in the executable.
>
> This is all under Suse Enterprise Desktop 10, using GTK 2.8.10. (yes, I
> know it's out of date - one of the myriad of reasons I hate SLED10....)
>
> On a related note: eventually, I'd like to handle signal assignment myself
> (I really don't like the idea of a modified .glade file being able to
> vector to any exported function, plus I'll eventually be vectoring to C++
> functions), so I'd be using glade_xml_signal_autoconnect_full with my own
> hook function - but is it possible (or advisable) for me to be able to
> call the function that glade_xml_signal_autoconnect uses (I am assuming
> that glade_xml_signal_autoconnect calls glade_xml_signal_autoconnect_full
> internally)?
>
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-- 
Wallace Owen L-3Com com
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