 | Expert | | Join Date: Jan 2008 Location: A city in my country ;)
Posts: 855
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Hello,
This is a simple C++ code (which is there in C++ primer): - #include <iostream>
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int main()
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{
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std :: cout << "Enter the numbers: " << std :: endl;
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int v1, v2;
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std :: cin >> v1 >> v2;
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std :: cout << "The sum of " << v1 << " and " << v2<< " is " << v1 + v2 << std :: endl;
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return 0;
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}
Now when I try compiling with gcc 3.3.5 under OpenBSD 4.4, I get following output at terminal: - $gcc -o file file.cpp
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try.cpp:13:2: warning: no newline at end of file
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/tmp//ccF18167.o(.text+0x1c): In function `main':
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: 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> >&)'
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/tmp//ccF18167.o(.text+0x29): In function `main':
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: undefined reference to `std::cout'
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/tmp//ccF18167.o(.text+0x2e): In function `main':
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: 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*)'
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/tmp//ccF18167.o(.text+0x37): In function `main':
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: 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> >&))'
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/tmp//ccF18167.o(.text+0x4d): In function `main':
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: undefined reference to `std::cin'
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/tmp//ccF18167.o(.text+0x52): In function `main':
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: undefined reference to `std::basic_istream<char, std::char_traits<char> >::operator>>(int&)'
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/tmp//ccF18167.o(.text+0x5b): In function `main':
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: undefined reference to `std::basic_istream<char, std::char_traits<char> >::operator>>(int&)'
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/tmp//ccF18167.o(.text+0x66): In function `main':
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: 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> >&)'
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/tmp//ccF18167.o(.text+0x99): In function `main':
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: undefined reference to `std::cout'
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/tmp//ccF18167.o(.text+0x9e): In function `main':
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: 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*)'
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/tmp//ccF18167.o(.text+0xa7): In function `main':
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: undefined reference to `std::basic_ostream<char, std::char_traits<char> >::operator<<(int)'
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/tmp//ccF18167.o(.text+0xb0): In function `main':
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: 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*)'
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/tmp//ccF18167.o(.text+0xb9): In function `main':
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: undefined reference to `std::basic_ostream<char, std::char_traits<char> >::operator<<(int)'
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/tmp//ccF18167.o(.text+0xc2): In function `main':
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: 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*)'
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/tmp//ccF18167.o(.text+0xcb): In function `main':
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: undefined reference to `std::basic_ostream<char, std::char_traits<char> >::operator<<(int)'
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/tmp//ccF18167.o(.text+0xd4): In function `main':
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: 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> >&))'
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/tmp//ccF18167.o(.text+0x11e): In function `__static_initialization_and_destruction_0(int, int)':
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: undefined reference to `std::ios_base::Init::Init()'
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/tmp//ccF18167.o(.text+0x14d): In function `__tcf_0':
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: undefined reference to `std::ios_base::Init::~Init()'
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/tmp//ccF18167.o(.eh_frame+0x11): undefined reference to `__gxx_personality_v0'
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collect2: ld returned 1 exit status
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Now I dont know the reason for this. I even tried using gcc under linux, MinGW under windows but got similar compiler output.
If I try compiling with g++, all is fine. But as man page says, gcc and g++ are same. So what is the problem?
Thanks.....
AmbrNewlearner
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