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From:	David Abrahams <dave AT boost-consulting DOT com>
Subject:	Re: Mysterious g++ link problems
Date:	Wed, 13 Jul 2005 10:18:51 -0400
Lines:	44
Message-ID:	<u8y0assac.fsf@boost-consulting.com>
References:	<uk6justks DOT fsf AT boost-consulting DOT com> <SERRANOx2f1AIjqr3SM0000050f AT SERRANO DOT CAM DOT ARTIMI DOT COM>
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"Dave Korn" <dave DOT korn AT artimi DOT com> writes:

> ----Original Message----
>>From: David Abrahams
>>Sent: 13 July 2005 14:51
>
>> Here are the symptoms.
>
>> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a(eh_terminate.o):: undefined
>> reference to `___w32_sharedptr_terminate'
>
>> This compiler was configured built and installed by me with
>> --prefix=/usr/local/gcc-3.4.4 and has worked flawlessly up 'till now
>> (and still works fine on other programs).
>
>>   > cygcheck -c gcc
>>   Cygwin Package Information
>>   Package              Version        Status
>>   gcc                  3.4.4-1        OK
>
>> I think until recently /bin/gcc referred to gcc-3.3.3 on my system,
>> but I guess a recent use of the Cygwin setup program updated it to
>> 3.4.4.  Everything works fine if I use /bin/g++, so I guess I can just
>> throw out the contents of /usr/local/gcc-3.4.4, but this is still a
>> bit disturbing.
>
>
>   Looks like a clash between the two compilers.  For some reason your
> compiler in /usr/local/gcc-3.4.4 is finding and linking against the cygwin
> compiler's libstdc in /usr/lib/gcc/.
>
>   Googling for '__w32_sharedptr_terminate throws up....
>
> http://gcc.gnu.org/ml/gcc/2004-04/msg00636.html
>
> which is an inconclusive thread but may perhaps throw some light on the
> problem

Read it already, thanks.

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


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