Код:
losaped@losaped-laptop:~/temp$ gcc 1.cpp
/tmp/cc8MiTUW.o: In function `__static_initialization_and_destruction_0(int, int)':
1.cpp:(.text+0x23): undefined reference to `std::ios_base::Init::Init()'
/tmp/cc8MiTUW.o: In function `__tcf_0':
1.cpp:(.text+0x6c): undefined reference to `std::ios_base::Init::~Init()'
/tmp/cc8MiTUW.o: In function `main':
1.cpp:(.text+0x90): undefined reference to `std::cout'
1.cpp:(.text+0x95): 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*)'
1.cpp:(.text+0x9d): 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> >&)'
1.cpp:(.text+0xa5): 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> >&))'
1.cpp:(.text+0xb3): undefined reference to `std::cin'
1.cpp:(.text+0xb8): undefined reference to `std::basic_istream<char, std::char_traits<char> >::operator>>(int&)'
1.cpp:(.text+0xf4): 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> >&)'
1.cpp:(.text+0xfb): undefined reference to `std::cout'
1.cpp:(.text+0x100): 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> >&))'
1.cpp:(.text+0x110): 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*)'
1.cpp:(.text+0x219): 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> >&)'
1.cpp:(.text+0x220): undefined reference to `std::cout'
1.cpp:(.text+0x225): 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> >&))'
1.cpp:(.text+0x234): undefined reference to `std::basic_ostream<char, std::char_traits<char> >::operator<<(int)'
1.cpp:(.text+0x23c): 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> >&)'
1.cpp:(.text+0x244): 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> >&))'
1.cpp:(.text+0x24c): 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> >&)'
1.cpp:(.text+0x253): undefined reference to `std::cout'
1.cpp:(.text+0x258): 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> >&))'
/tmp/cc8MiTUW.o:(.eh_frame+0x11): undefined reference to `__gxx_personality_v0'
collect2: выполнение ld завершилось с кодом возврата 1