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To: <nhv AT cape DOT com>
Cc: <cygwin AT cygwin DOT com>
Subject: Re: Cygwin GCC linking Python extensions issue
References: <EKEJIKAILPONGGENMBGAEEELDIAA DOT nhv AT cape DOT com>
From: David Abrahams <dave AT boost-consulting DOT com>
Date: Fri, 23 May 2003 09:47:42 -0400
In-Reply-To: <EKEJIKAILPONGGENMBGAEEELDIAA.nhv@cape.com> (Norman Vine's
 message of "Fri, 23 May 2003 08:50:19 -0400")
Message-ID: <u7k8hojup.fsf@boost-consulting.com>
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"Norman Vine" <nhv AT cape DOT 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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