Re: [Boost-users] [python] ImportError undefined symbol

Subject: Re: [Boost-users] [python] ImportError undefined symbol
From: troy d. straszheim (troy_at_[hidden])
Date: 2009-07-29 20:58:44

Brian Budge wrote:
> Hi all -
> 
> I'm not much of a python guru, in fact our resident guru is out on
> maternity :)  I'm hoping someone might tell me what is going on and
> how to get around it.
> 
> We're using boost python, and have created a plugin = libMyPlugin.
> libMyPlugin links to libuuid and to libOtherLib.  Our python test
> script is pretty simple and looks like this:
> 
> import libMyPlugin
> from libMyPlugin import DoStuff
> 
> but I get an error like this:
> 
> ImportError: libOtherLib.so: undefined symbol: uuid_generate
> 
> 
> libOtherLib uses the symbol uuid_generate, but ldd reveals that it
> does NOT link against libuuid.  ldd shows that libMyPlugin links
> against libuuid and libOtherLib.
> 
> Can anyone explain (a) why this is happening and (b) how to fix it?
> 

Sounds like libOtherLib is built incorrectly.  If it linked against 
libuuid, I b'lieve the problem would go away.   As you describe it,
if I built a c++ program that linked against libOtherLib, it'd die at 
startup with a rtld error...

-t