Re: Problem while compiling programs, using g++, which use the string data type

[Igor Pechtchanski <pechtcha at cs dot nyu dot edu>]

On Thu, 7 Aug 2003, Zafrulla, Zahoor (Cognizant) wrote:

> Hi,
>
> I have been trying to compile a set of files on the latest Cygwin DLL
> release under Win 2000. The same set of files compiles perfectly fine
> under red hat linux . In order to isolate the error i wrote a test
> program and i found tht ther is some problem with programs using the c++
> string data type. This is the program i tried and the result after
> compilation.
>
> ******************************************
> #include<string>
> #include<iostream.h>
>
> int main()
> {
>  string a = "Hello World!";
>  cout << a;
>  return 0;
> }
>
> *******************************************
>
> $ g++ -w -o test teststr.c
> teststr.c: In function `int main()':
> teststr.c:6: `string' undeclared (first use this function)
> teststr.c:6: (Each undeclared identifier is reported only once for each
>    function it appears in.)
> teststr.c:6: parse error before `=' token
> teststr.c:7: `a' undeclared (first use this function)
>
> ********************************************
>
> The test program compiles fine if i use g++-2 instead of g++. Is ther
> any particular option that i need to use ??
>
> Can anybody tell me what the problem is.
>
> Thanks,
> Zahoor Zafrulla

Gcc 3.2 is much stricter with namespaces than gcc 2.95 was.  Try using
"std::string" in your program, or put "using namespace std" at the top.
	Igor
-- 
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