From:	brian j tang <BJT AT plantpath DOT wisc DOT edu>
Organization:	University of Wisconsin
To:	"Wing J. Flanagan" <76451 DOT 2647 AT compuserve DOT com>, djgpp AT sun DOT soe DOT clarkson DOT edu
Date:	Fri, 24 Mar 1995 18:24:47 CST
Subject:	Re: Problems compiling C++ programs
Reply-To:	brian DOT tang AT plantpath DOT wisc DOT edu

>
> c:\>gcc -v string4.cpp -o string

You need to explicitly link the C++ iostream library by doing:

gcc -v -liostr string.cpp -o string


> Reading specs from c:/djgpp/lib\specs
> gcc version 2.6.3
> c:/djgpp/bin\cpp.exe -lang-c++ -v -undef -D__GNUC__=2 -D__GNUG__=2 -D__cplusplus
> -D__GNUC_MINOR__=6 -Dunix -Di386 -DGO32 -DMSDOS -D__unix__ -D__i386__ -D__GO32__
> -D__MSDOS__ -D__unix -D__i386 -D__GO32 -D__MSDOS string4.cpp
> c:/djgpp/tmp\cc000056
> GNU CPP version 2.6.3 (80386, BSD syntax)
> #include "..." search starts here:
> #include <...> search starts here:
>  c:/djgpp/cplusinc
>  c:/djgpp/include
>  /usr/local/lib/g++-include
>  /usr/local/include
>  /usr/local/go32/include
>  /usr/local/lib/gcc-lib/go32/2.6.1/include
>  /usr/include
> End of search list.
>  c:/djgpp/bin\cc1plus.exe c:/djgpp/tmp\cc000056 -quiet -dumpbase string4.cc
> -version -o c:/djgpp/tmp\cca00056
> GNU C++ version 2.6.3 (80386, BSD syntax) compiled by GNU C version 2.6.3.
>  c:/djgpp/bin\as.exe -o c:/djgpp/tmp\cc00056 c:/djgpp/tmp\cca00056
>  c:/djgpp/bin\ld.exe -o string c:/djgpp/lib\crt0.o -Lc:/djgpp/lib
> c:/djgpp/tmp\ccb00056   -lgcc -lc -lgcc
>
> /* Then there's a whole slew of lines which are nearly identical*/
>
> string4.cc(.text+0x174): undefined reference to 'cout'
> string4.cc(.text+0x179): undefined reference to 'ostream::operator<<(char const
> *)'
> string4.cc(.text+0x189): undefined reference to 'cin'
> string4.cc(.text+0x18e): undefined reference to 'istream::getline(char *, int,
> char)'
> ...
> /* Etc.  For several screens.  It gives you the idea; forgive me if I don't type
> every single line!  That's how it ends.  No STRING file written. Nothing to run.
> Nothing to debug.*/

<a href="http://www.cs.wisc.edu/~btang/homepage.html">homepage</a>




                 XXX          XXX
                XXXXX        XXXXX
                 XXX          XXX               Brian J. Tang
                                                Programmer & Lan Admin 
                                                & Student 
                                                U of Wisconsin
                                              
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          XX                          XX 
          XX                          XX        bjt AT plantpath DOT wisc DOT edu
           XX                        XX
            XX                      XX      btang AT cs DOT wisc DOT edu
              XX                  XX     tangb AT cae DOT wisc DOT edu
                XXX            XXX        
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