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From:	"Wei Xu" <weixuz AT yesic DOT com>
To:	"Jonathan Pryor" <jonpryor AT vt DOT edu>, <cygwin AT sourceware DOT cygnus DOT com>
Subject:	Re: gcc library
Date:	Wed, 7 Jul 1999 10:54:15 -0400
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Thanks for your reply.

Your example works with g++. When I use gcc, still the same mistake:
undefined reference.


-----Original Message-----
From: Jonathan Pryor <jonpryor AT vt DOT edu>
To: Wei Xu <weixuz AT yesic DOT com>; cygwin AT sourceware DOT cygnus DOT com
<cygwin AT sourceware DOT cygnus DOT com>
Date: Wednesday, July 07, 1999 10:40 AM
Subject: Re: gcc library


><iostream.h> doesn't provide the prototype for printf.
>You need to include <stdio.h>.
>
>Also, the use of <iostream.h> has been deprecated by
>the C++ standard.  You should use <iostream>, which
>places everything in the std namespace.  Additionally,
><stdio.h> has been deprecated in favor of <cstdio>,
>which also places the contents into the std namespace;
>however, not all compilers support <cstdio>, so I tend
>to stick with <stdio.h>...
>
>    // example....
>    #include <iostream>
>    #include <stdio.h>
>
>    using namespace std;
>
>    int main ()
>    {
>      cout << "Hello, world!\n";
>      printf ("Hello again, world!\n");
>      return 0;
>    }
>
> - Jon
>----- Original Message -----
>From: Wei Xu <weixuz AT yesic DOT com>
>To: <cygwin AT sourceware DOT cygnus DOT com>
>Sent: Wednesday, July 07, 1999 10:15 AM
>Subject: gcc library
>
>
>> Dear all,
>>
>> I an new to this software. I have download the full verions of  Cygwin.
>When
>> I try to testing the =
>> gcc with the following C++ code:
>>
>> #include <iostream.h>
>>
>> int main (int argc, char **argv)
>> {
>>   cout << "Hello world\n";
>>     printf("Hello world\n");
>> }
>>
>>
>> It says:
>>
>> try.cc: In function `int main(int, char **)':
>> try.cc:6: warning: implicit declaration of function `int printf(...)'
>> C:\WINDOWS\TEMP\ccz14xFI.o(.text+0x1e):try.cc: undefined reference to =
>> `cout'
>> C:\WINDOWS\TEMP\ccz14xFI.o(.text+0x23):try.cc: undefined reference to =
>> `ostream::
>> operator<<(char const *)'
>> collect2: ld returned 1 exit status
>>
>> I can figure out what is wrong with my installation or library?=20
>> Here is my set:
>>
><snipped...>
>


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