eror compile c++ code in cygwin

The problem that i couldn't know if the mistake from the code or from the compiler?
i have been setup cygwin.........as starting to learn Linux and into it
as a start to learn c++
i want to compile a (hello world) code
==================
#include<iostream.h>
void main()
{
cout<<"helloworld";

}
===================
but when i try to compile it with g++

i received the following message :-
=+=+==+=+==+=+==+=+==+=+==+=+==+=+==+=+==+=+=
=+=+==+=+==+=+=+==+=+==+=+==+=+==+==+=+==+=+=
$ gcc hello_world.cpp

In file included from /usr/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/backward/iostream.h:31,

from hello_world.cpp:1:
/usr/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/backward/backward_warning.h:32:2: warning: #w
arning This file includes at least one deprecated or antiquated header. Please consider usi
ng one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include su
bstituting the <X> header for the <X.h> header for C++ includes, or <iostream> instead of t
he deprecated header <iostream.h>. To disable this warning use -Wno-deprecated.
/usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../i686-pc-cygwin/bin/ld: cannot find -luser32
collect2: ld returned 1 exit status
=+=+==+=+==+=+==+=+==+=+==+=+==+=+==+=+=
=+=+==+=+==+=+==+=+==+=+==+=+==+=+==+=+=
so please see it quickly and reply me here
or more faster by e-mail

[email protected]

----------------------------------------------------------
and thanks for your accurate .

Author: TarekSliem
Newbie

Posts: 1
Have thanks: 0 time

Hi TarekSliem,

the solution is contained in this part:

TarekSliem wrote:

/usr/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/backward/backward_warning.h:32:2: warning: #w
arning This file includes at least one deprecated or antiquated header. Please consider usi
ng one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include su
bstituting the <X> header for the <X.h> header for C++ includes, or <iostream> instead of t
he deprecated header <iostream.h>

Just use

Code:

#include<iostream>

The headers with .h are old style and should not been used anymore.

Author: apeter
Newbie

Posts: 4
Have thanks: 1 time

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