Re: Cygwin GCC linking Python extensions issue

[David Abrahams <dave at boost-consulting dot com>]

"Norman Vine" <nhv@cape.com> writes:

> 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

That's an interesting idea.  Still, I'd like to get to the bottom of
this.  Why would it think there are multiple definitions for these
symbol?  AFAICT, there are not.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com


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