gcc problem
Lauer Rainer
rainer.lauer@thomson.net
Tue Mar 2 12:49:00 GMT 2004
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.Lauer@thomson.net
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