how can cout be undeclared?

[Frank Geck]

Kirk,
    I think (don't remember for sure) just add in you header or main "using
namespace std;".

Frank

Kirk wrote:

> I'm trying to a program ported from linux (redhat7.2 running gcc-2.96RH) to
> freebsd. I have installed gcc-3.0. Most of the compile time errors that I was
> getting while using gcc-2.95 on freebsd have disappeared now that I'm
> compiling with gcc-30. However, there is one that is perplexing me. It is:
>
> tveg.cpp: In member function `void TVeg::dayOut(TDay*)':
> tveg.cpp:428: `cout' undeclared (first use this function)
> tveg.cpp:428: (Each undeclared identifier is reported only once for each
>    function it appears in.)....
>
> the whole error output is below.
>
> It is odd that a simple cout (which compiles fine on redhat's 2.96 version)
> is choking here.
>
> Any thoughts?
>
> Thanks in advance,
>
> Kirk
>
> su-2.05a$ make clean
> rm *.o *~
> su-2.05a$ make pnet
> g++30 -c -ansi -g -Wall tday.cpp
> g++30 -c -ansi -g -Wall tveg.cpp
> tveg.cpp: In member function `void TVeg::dayOut(TDay*)':
> tveg.cpp:428: `cout' undeclared (first use this function)
> tveg.cpp:428: (Each undeclared identifier is reported only once for each
>    function it appears in.)
> tveg.cpp: In method `void TVeg::yearOutCN(TDay*)':
> tveg.cpp:464: warning: unused variable `double folC'
> tveg.cpp:465: warning: unused variable `double totalN'
> tveg.cpp:466: warning: unused variable `double totalM'
> tveg.cpp: In method `void TVeg::understory(TDay*)':
> tveg.cpp:478: warning: unused variable `double mossResp'
> tveg.cpp:481: warning: unused variable `double growthResp'
> *** Error code 1