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X-Authentication-Warning:	slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date:	Fri, 23 May 2003 09:55:46 -0400 (EDT)
From:	Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To:	cygwin AT cygwin DOT com
To:	David Abrahams <dave AT boost-consulting DOT com>
cc:	cygwin AT cygwin DOT com
Subject:	Re: Cygwin GCC linking Python extensions issue
In-Reply-To:	<u7k8hojup.fsf@boost-consulting.com>
Message-ID:	<Pine.GSO.4.44.0305230954200.26092-100000@slinky.cs.nyu.edu>
Importance:	Normal
MIME-Version:	1.0

On Fri, 23 May 2003, David Abrahams wrote:

> "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.

David,

Isn't there a --verbose option to the linker that tells you where it's
getting the symbols from?
	Igor
-- 
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