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Date: Fri, 16 Dec 2005 10:31:27 -0500
From: Nathan Vidican <nvidican@wmptl.com>
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To: David Miao <davmiao@gmail.com>
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Cc: questions@freebsd.org
Subject: Re: C++ compile error
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David Miao wrote:
> Dear list,
> 
> I try to compile a hello world C++ program in FreeBSD 6.0, but get an
> error as below:
> 
> [dm@ORION ~/cpp]% CC -o hello hello.C
> hello.C: In function `int main()':
> hello.C:5: error: `cout' undeclared (first use this function)
> hello.C:5: error: (Each undeclared identifier is reported only once
> for each function it appears in.)
> hello.C:5: error: `endl' undeclared (first use this function)
> 
> I noticed that "iostream" file is located in
> "/usr/include/c++/3.4/iostream", I guess my CC compiler cannot find
> this head file. Is it true? And how can I fix this problem? Your
> advice is appreciated. Thanks in advance.
> 
> ==quote of hello world code==
> #include <iostream>
> 
> int main()
> {
>     cout << "Hello World!" << endl;
> 
>     return 0;
> }
> == end of quote==
> 
> Regards,
> David
> _______________________________________________
> freebsd-questions@freebsd.org mailing list
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> 
> 
> 
gcc assumes a '.C' file is ANSI C, not C++, try:

mv hello.C hello.cpp && gcc -o hello.exe hello.cpp

simple hellow world:

#include <iostream.h>

using namespace std;

int main(int argc,char* argv[]) {

	cout << "Hello World!" << endl;
	
	return 0;
}

// end of file

Should work - reply if not :)

-- 
Nathan Vidican
nvidican@wmptl.com
Windsor Match Plate & Tool Ltd.
http://www.wmptl.com/