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Message-ID:	<0FFE4E4AF139D311A62C00508B0BE5E801EB9F09@exchange3.villingen.thmulti.com>
From:	Lauer Rainer <rainer DOT lauer AT thomson DOT net>
To:	"'cygwin AT cygwin DOT com'" <cygwin AT cygwin DOT com>
Cc:	"'lauerr AT gmx DOT net'" <lauerr AT gmx DOT net>
Subject:	gcc problem
Date:	Tue, 2 Mar 2004 13:33:14 +0100
MIME-Version:	1.0

Hi Gents,
I've installed the latest version of cygwin (as of today 2.03.04). My PC is
running Windows 2000 with service pack 4. Installation is done on my loca
drive d:. I tried a small "C++" and failed, the reason is totally unclear to
me.
The program is:
#include <iostream>

using namespace std;

int main()
{
  int selection;
  bool loop = true;
  
  while (loop)
  {
#if 0    
    cout << endl;
    cout << "*********************\n";
    cout << "*  Learning bed C++ *\n";
    cout << "*********************\n";

    cout << ">>> CHAPTER 4 <<<\n";
    cout << "=================\n\n";

    cout << " 1: Review_5\n";
    cout << "-1: Exit\n";
    cout << "$ ";
    cin >> selection;
    cout << endl;

    switch (selection)
    {
      case -1:
        loop = false;
        break;
      case 0:
        break;
      case 1:
        break;
      case 2:
        break;
      case 3:
        break;
      case 4:
        break;
      case 5:
        break;
      case 6:
        break;
      case 7:
        break;
      case 8:
        break;
      case 9:
        break;
      case 10:
        break;
      case 11:
        break;
    }//  switch (selection)
#endif    
  }//  while (loop)
  return 0;
}//main

The error message is:
$ gcc -o gtest gtest.cc
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccCmpxzX.o(.text+0x4d):gtest.cc:
undefined reference to `std::ios_base::Init::Init[in-charge]()'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccCmpxzX.o(.text+0x68):gtest.cc:
undefined reference to `std::ios_base::Init::~Init [in-charge]()'
collect2: ld returned 1 exit status

Desperatelly I installed the complete (!) cygwin - the result is still the
same.

When I set the #if 0 to #if 1the error message looks like:
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xa1):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::endl<
char, std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char> >&)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xa8):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xad):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char>
>::operator<<
(std::basic_ostream<char, std::char_traits<char> >&
(*)(std::basic_ostream<char, std::char_traits<char> >&))'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xbc):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xc1):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::operator<< <std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char>>&, char const*)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xd0):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xd5):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::operator<< <std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char>>&, char const*)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xe4):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xe9):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::operator<< <std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char>>&, char const*)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xf8):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0xfd):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::operator<< <std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char>>&, char const*)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x10c):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x111):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::operator<< <std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char>>&, char const*)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x120):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x125):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::operator<< <std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char>>&, char const*)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x134):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x139):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::operator<< <std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char> >&, char const*)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x148):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x14d):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::operator<< <std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char> >&, char const*)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x15b):gtest.cc:
undefined reference to `std::cin'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x160):gtest.cc:
undefined reference to `std::basic_istream<char, std::char_traits<char>
>::operator>>(int&)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x168):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char> >&
std::endl
<char, std::char_traits<char> >(std::basic_ostream<char,
std::char_traits<char>>&)'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x16f):gtest.cc:
undefined reference to `std::cout'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x174):gtest.cc:
undefined reference to `std::basic_ostream<char, std::char_traits<char>
>::operator<<(std::basic_ostream<char, std::char_traits<char> >&
(*)(std::basic_ostream<char, std::char_traits<char> >&))'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x1c1):gtest.cc:
undefined reference to `std::ios_base::Init::Init[in-charge]()'
/cygdrive/c/DOCUME~1/lauerr/LOCALS~1/Temp/ccJwpezK.o(.text+0x1dc):gtest.cc:
undefined reference to `std::ios_base::Init::~Init [in-charge]()'
collect2: ld returned 1 exit status

What's wrong (template, path wrong, library missing)?

Can you help me, please?

Many thanks in advance.

Reggies
		Rainer Lauer
		Senior Software Engineer
		TV, Aftersales and Accessories
		
		DEUTSCHE THOMSON-BRANDT GmbH     
		Hermann-Schwer-Strasse 3
		78048 Villingen-Schwenningen - Germany
		tel. +49 (0) 77 21 85 23 27
		fax +49 (0) 77 21 85 20 32
		Rainer DOT Lauer AT thomson DOT net
		


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