From:	BernsB AT nasd DOT com (Berns, Brian)
Subject:	RE: Newbie template linking problem
18 Jun 1998 00:55:55 -0700 :
Message-ID:	<c=US%a=_%p=NASD%l=RKV_SRV_EXC-980617200524Z-322459.cygnus.gnu-win32@rkv_srv_exch3.rkv.nasd.com>
To:	"'Mumit Khan'" <khan AT xraylith DOT wisc DOT edu>
Cc:	"'gnu-win32 AT cygnus DOT com'" <gnu-win32 AT cygnus DOT com>

Thanks.  I am now successfully using egcs to compile and link my C++
program.  My question now is: Should I be using the -frepo option?  When
I do, I get linker errors.  When I don't, everything links and runs
fine, but the resulting executable is quite large (esp. in comparison to
the corresponding .exe produced by VC++) -- I wonder if it contains
redundant template instantiations?  The archive info on this topic seems
somewhat muddled.  What's the current behavior?

-- Brian

-----Original Message-----
From: Mumit Khan [mailto:khan AT xraylith DOT wisc DOT edu]
Sent: Wednesday, June 10, 1998 11:15 AM
To: Berns, Brian
Subject: Re: Newbie template linking problem


On Tue, 9 Jun 1998, Berns, Brian wrote:

> I am trying to compile the following trivial C++ program using Cygwin32
> Beta 19 on Windows NT 4.0:
> 
>    #include <string>
>    using namespace std;
> 
>    void main()
>    {
>       string s = "hello";
>    }
> 
> All my attempts are choking in the link phase:
> 
>    % g++ hello.cpp
>    [...]/libstdc++.a [...] multiple definition of `basic_string[...]'
>    [...]hello.cc: first defined here
> 

Update your compiler to egcs-1.0.2 which has no problem with this. See
http://www.xraylith.wisc.edu/~khan/software/gnu-win32/ for more info
on how downloading and installing egcs-1.0.2 for Cygwin32.

Mumit

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