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
                                              
         XXXX                        XXXX
          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        
                   tXXXXXXXXXXc