Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
To: cygwin AT cygwin DOT com
From: David Abrahams <dave AT boost-consulting DOT com>
Subject:  Re: Mysterious g++ link problems
Date:  Wed, 13 Jul 2005 10:18:21 -0400
Lines: 54
Message-ID:  <ueka2ssb6.fsf@boost-consulting.com>
References:  <uk6justks DOT fsf AT boost-consulting DOT com> 	<42D51FEA DOT 8040204 AT familiehaase DOT de>
Mime-Version:  1.0
Content-Type:  text/plain; charset=us-ascii
User-Agent: Gnus/5.110004 (No Gnus v0.4) Emacs/22.0.50 (windows-nt)
X-IsSubscribed: yes

"Gerrit P. Haase" <gerrit AT familiehaase DOT de> writes:

> David Abrahams wrote:
>
>> Here are the symptoms.
>>     "/usr/local/gcc-3.4.4/bin/g++.exe"   -Wall -ftemplate-depth-100
>> -O0 -fno-inline -g  -DBOOST_ALL_NO_LIB=1  -I"..\..\.."  -c -o
>> "..\..\..\bin.v2\libs\parameter\test\sfinae.test\gcc-3.4.4\debug\sfinae.o"
>> "sfinae.cpp"      "/usr/local/gcc-3.4.4/bin/g++.exe"     -o
>> "..\..\..\bin.v2\libs\parameter\test\sfinae.test\gcc-3.4.4\debug\sfinae.exe"
>> "..\..\..\bin.v2\libs\parameter\test\sfinae.test\gcc-3.4.4\debug\sfinae.o"
>> -g  /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a(eh_terminate.o)::
>> undefined reference to `___w32_sharedptr_terminate'
>> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a(eh_terminate.o):: undefined reference to `___w32_sharedptr_terminate'
>> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a(eh_terminate.o):: undefined reference to `___w32_sharedptr_unexpected'
>> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a(eh_terminate.o):: undefined reference to `___w32_sharedptr_terminate'
>> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a(eh_terminate.o):: undefined reference to `___w32_sharedptr_terminate'
>> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a(eh_terminate.o):: undefined reference to `___w32_sharedptr_unexpected'
>> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a(eh_throw.o):: undefined reference to `___w32_sharedptr_unexpected'
>> /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a(eh_throw.o):: undefined reference to `___w32_sharedptr_terminate'
>> collect2: ld returned 1 exit status
>> 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).
>> Somewhat strangely,   > 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.
>
> You are using the wrong libstdc++.a runtime.  Try to figure out why
> /usr/local/gcc is using /usr/lig/gcc runtime instead of your own 
> /usr/local/lib/gcc runtime.

I'm not using /usr/local/gcc.  I assume you meant
/usr/local/gcc=3.4.4/bin/g++?

I'd like to try to "figure out why," but I don't know where to start
looking.

> Suggested solution: either uninstall your local build of gcc and use
> the 'official' Cygwin gcc build or uninstall the official release.

I'm happy to use the official one, but I'd still like to understand
what happened.

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


--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/