From: sparhawk AT eunet DOT at (Gerhard Gruber)
Newsgroups: comp.os.msdos.djgpp
Subject: Question concerning gcc and C++
Date: Tue, 16 Jun 1998 21:33:29 GMT
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To: djgpp AT delorie DOT com
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I just tried compiling a small program from this newsgroup because the poster
said it doesn't work (the one with the password correct problem). When I
compiled it I noticed that there seems to be a difference between
"gcc -x c++ -o test.exe test.cc"
and
"g++ -o test.exe test.cc"

I thought that calling gcc with the language option should switch to the the
appropriate mode. But I get errors compiling this file and it appears as if
the compiler still doesn't switch correctly to C++ mode.

I get the follwing message:

In file included from d:/gnu/lang/cxx/libio.h:30,
                 from d:/gnu/lang/cxx/streambuf.h:36,
                 from d:/gnu/lang/cxx/iostream.h:31,
                 from test.c:2:
d:/gnu/lang/cxx/_G_config.h:20: parse error before `__extension__'
In file included from test.c:2:
d:/gnu/lang/cxx/iostream.h:91: parse error before `__extension__'
d:/gnu/lang/cxx/iostream.h:208: parse error before `__extension__'

The source is the same as I got it from the poster:
#include <conio.h>
#include <iostream.h>
#include <string.h>

int main()
{
 clrscr();

  char user_name[5] = "test";
  char user_try[20];

  cout << "Enter password: ";
  cin >> user_try;

  if (!strcmp(user_try, user_name))
     cout << "Password Correct" << endl;
  else
     cout << "Wrong Password" << endl;

  return 0;
}

--
Bye,
   Gerhard

email: sparhawk AT eunet DOT at
       g DOT gruber AT sis DOT co DOT at

Spelling corrections are appreciated.