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Re: mingw libs
Quoting Igor Pechtchanski <pechtcha@cs.nyu.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@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,
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@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
> ZZZzz /,`.-'`' -. ;-;;,_ igor@watson.ibm.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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