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Re: mingw libs
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@engmail.uwaterloo.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@cs.nyu.edu>:
>
> > On Thu, 9 Oct 2003 y2bismil@engmail.uwaterloo.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@cs.nyu.edu
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|,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D.
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