From: Gallicus AT caramail DOT com (Gallicus)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Help with C++ library
Date: Mon, 05 Apr 1999 17:14:58 GMT
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On Mon, 05 Apr 1999 09:34:19 GMT, Gallicus AT caramail DOT com (Gallicus) wrote:

>I use the last version of Djgpp.
>C programs works OK.
>
>I am testing the C++ library.

>To test the  String C++ class I wrote: 
>#include <iostream>
>#include <_String.h>
>int main() {
>  String str = "Hello ";
>  String str1 = "boys!";
>  cout << str + str1 << endl;
>  return 0;
>}
>Compiling is OK. Linking aborts.
>I get : undefined reference to "String:: ...."

>What is the problem ?

With these corrections it works :

#include <string>
int main() {
  string str = "Hello", str1 = " boys!";
  cout << str + str1  << endl;
  return 0;
}

It is pleasant to concatenate with +.
There are some lines in the Doc about <_String.h> and <string> but it
remains mysterious for me.

Gallicus.