big problem - client and server cannot connect

hi everybody,

i have a big problem. for some reason my app and my server on the Zaurus 
doesn`t work anymore.

i have completly rebuilded my pgserver and cli_c.  my app is linked 
against the librarys which are on the Z.
i compile the app the following way:

arm-linux-g++ -c hello.c -o hello.o 
-I/home/peter/buildroot-neu/buildroot-oz/output/staging/usr/include/
arm-linux-g++ hello.o -lpgui -o hello 
-L/home/peter/buildroot-neu/buildroot-oz/output/staging/usr/lib

which works fine.

now the curious things:
- i can connect from my desktop machine to the pgserver on the Z whith a 
picogui app (using --pgserver)
- i can connect from the Z with the picogui app to a picogui server 
running on the Desktop (again using --pgserver in the other direction)

but, the app on the zaurus, can`t connect to the pgserver on the Z. 
there is no error message or something, just nothing happens and the app 
hangs in pgInit();

i really hope anyone can give me a hint where the problem is, since i 
need to get this thing finished.
thanks!

bye, peter






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