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Message-ID: <1065734076.3f85cfbc5ab18@www.nexusmail.uwaterloo.ca>
Date: Thu,  9 Oct 2003 17:14:36 -0400
From: y2bismil AT engmail DOT uwaterloo DOT ca
To: cygwin AT cygwin DOT com
Subject: Re: mingw libs
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> <Pine DOT GSO DOT 4 DOT 56 DOT 0310091704460 DOT 20462 AT slinky DOT cs DOT nyu DOT edu>
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Quoting Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>:

> 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,

Yep, 100% sure its cygwin's GCC.  Its the only gcc we have installed here.  the
-L add to the directory to search for libs.  Like I said, after seeing the
errors, I thought I may explicitly have to add it.  

I added -B search path as well for that purpose.

Yamin


> 	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
> 




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