Re: .so interdependencies

Michele Petrazzo - Unipex <[email protected]> Fri, 16 Apr 2010 13:23:03 +0200

Newsgroups	gmane.comp.python.ctypes
Message-ID	<[email protected]>

Paul Northug wrote:
> Hello,
> 
> I would like to load a .so on Linux that I made myself (g++ -shared
> *.o -o libmytest.so).
> 
> I can compile and run C programs against this .so, but when I try to
> load it using ctypes:
> 
> test = cdll.LoadLibrary('libmytest.so')
> 
> I get an error:
> 
> libmytest.so: undefined symbol: slamch_
> 
> which is a function in a different library .so that is used by a
> function in my library.
> 

I'm not a c devel, but, have you tried:

g++ -shared *.o -o libmytest.so -Lthe_other_lib ?

and, you can try to compile directory the .c program:

g++ -shared file_using_the_other_lib.c -o libmytest.so -Lthe_other_lib

Michele

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