Cygwin GCC linking Python extensions issue

[Norman Vine]

David Abrahams writes:
> 
> Recently I've begun to see the following link errors when building
> some of the Boost.Python test suite extension modules using Cygwin gcc
> (version 2 or 3, doesn't matter) and Python 2.2.2 release or Python
> 2.3 debug.  This error happens only on some of the extension modules,
> but all of them use the symbol boost::python::scope::current_scope
> which is defined in libboost_python.dll.  Regardless, even if that's
> somehow my bug, there's the matter of `__head_boost_python_dll'...
> 
> Does anyone have an explanation/workaround for this?
> 
> 
> d000000.o(.idata$2+0x0): multiple definition of 


Tell the linker multiple definitions are allowed by adding
 '-Wl,--allow-multiple-definition'   to your $LD_FLAGS

HTH

Norman


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