Re: Undeclared wstring/wcout in GCC under DJGPP/Cygwin

[Joe Wright]

ing. Jan Chládek wrote:
> I need compile ANSI C++ source file under Windows XP.
> For some reasons I can't use MS Visual Studio, then I trying g++ port for 
> Windows (DJGPP, CygWin).
> But I've problems with wide-characters operations, I think then it's maybe 
> error of compiler's port for Windows.
>
> Simple sample a.cpp:
>
> #include <string>
> #include <iostream>
> using namespace std;
> int main (int argc, char * argv[]) {
>     wstring x;
>     wcout<<x;
>     return 0;
> }
>
> I've got these error messages:
>
> 1) in DJGPP 2.03, gxx 3.4.3
> a.cpp: In function `int main(int, char**)':
> a.cpp:5: error: `wstring' undeclared (first use this function)
> a.cpp:5: error: (Each undeclared identifier is reported only once for each
> function it appears in.)
> a.cpp:5: error: expected `;' before "x"
> a.cpp:6: error: `wcout' undeclared (first use this function)
> a.cpp:6: error: `x' undeclared (first use this function)
>
> 2) in cygwin 1.5.13, g++ 3.3.3
> a.cpp: In function `int main(int, char**)':
> a.cpp:5: error: `wstring' undeclared (first use this function)
> a.cpp:5: error: (Each undeclared identifier is reported only once for each
> function it appears in.)
> a.cpp:5: error: parse error before `;' token
> a.cpp:6: error: `wcout' undeclared (first use this function)
> a.cpp:6: error: `x' undeclared (first use this function)
>
> 3) in RedHat Linux, g++ 3.2.3
> Compiled correctly.
>
> Do you somebody know how to compile sources with wide-character strings 
> until g++ for Windows?
> Or exists any other free (full ANSI) C++ compiler for Windows?
>
> Thanks

The DJGPP and cygwin sessions indeed pointed out errors in your code. 
Why do you think g++ on Redhat can get it right? If I were you, I would 
fix the code.
--
Joe Wright                            mailto:joewwright@comcast.net
"Everything should be made as simple as possible, but not simpler."
                    --- Albert Einstein ---