Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sources.redhat.com/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
X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Thu, 9 Oct 2003 17:08:30 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: y2bismil AT engmail DOT uwaterloo DOT ca
cc: cygwin AT cygwin DOT com
Subject: Re: mingw libs
In-Reply-To: <1065732593.3f85c9f194b65@www.nexusmail.uwaterloo.ca>
Message-ID: <Pine.GSO.4.56.0310091704460.20462@slinky.cs.nyu.edu>
References: <1065731605 DOT 3f85c6150fac4 AT www DOT nexusmail DOT uwaterloo DOT ca>
 <Pine DOT GSO DOT 4 DOT 56 DOT 0310091636430 DOT 20462 AT slinky DOT cs DOT nyu DOT edu>
 <1065732593 DOT 3f85c9f194b65 AT www DOT nexusmail DOT uwaterloo DOT ca>
Importance: Normal
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII

Yamin,

Please don't Cc: me, I read the list (I set the Reply-To for a reason).
More below.

On Thu, 9 Oct 2003 y2bismil AT engmail DOT uwaterloo DOT ca wrote:

> Hi Igor,
>
> I added that -mno-cygwin to both compiler and linker and have started a
> build...should be about an hour or two before its donw.
>
> I didn't write the makefiles, but I have modified them to use GCC, so
> its really too complicated to post in its entirety...but the exact
> linker command is as follows:
>
> Bare in mind, I've tried several variations on these, so its not exactly
> the cleanest right now.  I've been 'thrashing' it.
> The commands are on a separate line, but that's just how the build
> system works here.  It does get fed into gcc correctly.
> *****************************
> gcc
>   -mno-cygwin
>    -LC:\cygwin\lib\mingw
>    -BC:\cygwin\lib\mingw
      ^^^^^^^^^^^^^^^^^^^^
This doesn't look right...  Are you using Cygwin's gcc?  Also, you should
be using g++, which would make the -lstdc++ below unnecessary.  Also,
-mno-cygwin makes -lmingw32 unnecessary.
HTH,
	Igor

>    #list the libraries
>    -lstdc++
>    -lwsock32
>    -lmingw32
>    -g
>    -o$(_Target)
>    %foreach Link in $(LinkFiles)
>    $(LinksPath)\$(Link)
>    %end
> *****************************
>
> Quoting Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>:
>
> > On Thu, 9 Oct 2003 y2bismil AT engmail DOT uwaterloo DOT ca wrote:
> >
> > > Hi all,
> > >
> > > I'm trying to build an app using cygwin-gcc and the mingw package
> > > all provided by the standard cygwin install.  This is a purely
> > > console app, whose only use beyond standard c++ is the conio
> > > library.
> > >
> > > I'm getting errors like:
> > > undefined refernce to operator new
> > > undefined refernce to operator delete
> > >
> > > ..
> > >
> > > I think I'm not linking in the appropriate libs.  Does anyone know
> > > the standard libs to include for general c++ usage (-lstdc++
> > > -lmingw32) and winsock (-lwsock32) usage.
> > >
> > > I just want to make sure I'm linking in everything.
> > > Lastly, I just want to make sure my general approach is correct.
> > > When compiled, I removed the standard include dirs, and only
> > > included the mingw ones.
> > >
> > > Thanks all,
> > > Yamin
> >
> > What is the exact command that you use to invoke gcc?  Try compiling/linking
> > normally, but pass a -mno-cygwin flag to gcc.
> > 	Igor

-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha AT cs DOT nyu DOT edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor AT watson DOT ibm DOT com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"I have since come to realize that being between your mentor and his route
to the bathroom is a major career booster."  -- Patrick Naughton

--
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/