Re: libgomp and python: dlopen fails

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Sebastian Steiger writes:
 > I'd like to post again the question Iordan Hristov had a couple of 
 > months ago (http://gcc.gnu.org/ml/gcc-help/2006-09/msg00164.html), but 
 > no answer was given back then.
 > 
 > I am using a C++ shared library as a module to import in python 
 > (wrapping my functions into the python API is done by SWIG). This 
 > library depends on libgomp.so. I tried with the gomp version shipped 
 > with RHEL4 gcc-4.1 and with a version compiled by myself from source 
 > (April 2007) on a 64bit Red Hat Linux machine. I get the following error:
 > 
 > 
 > ImportError: libgomp.so.1: shared object cannot be dlopen()ed
 > 
 > 
 > I have more libraries on which the imported library depends, but they 
 > all work. libgomp also works when I use it in a normal c++ program.
 > 
 > Does anybody have an idea what to do? I must admit that I'm not familiar 
 > with dlopen(). I initially thought that the problem had something to do 
 > with the library being stripped or "nm" not giving me any objects, but 
 > the version compiled by myself didn't have that.
 > 
 > I think that libgomp should be capable of being imported into python, 
 > just as the AMD core math library is.

What does ldd say about your python library?  
What does 'file' say about your library and about libgomp.so.1?
Setting LD_DEBUG=files may help

We need to see that before progressing.

Andrew.

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