我是C ++的新手,我在mac os 10.6上安装了eclipse,但是我甚至在构建HelloWorld代码时遇到了问题。每次收到此消息:
make all
Building target: testc++1
Invoking: MacOS X C++ Linker
g++ -o "testc++1" ./src/testc++1.o
Undefined symbols:
"std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)", referenced from:
_main in testc++1.o
"std::ios_base::Init::Init()", referenced from:
__static_initialization_and_destruction_0(int, int)in testc++1.o
"___gxx_personality_v0", referenced from:
___gxx_personality_v0$non_lazy_ptr in testc++1.o
(maybe you meant: ___gxx_personality_v0$non_lazy_ptr)
"std::ios_base::Init::~Init()", referenced from:
___tcf_0 in testc++1.o
"std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)", referenced from:
__ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_$non_lazy_ptr in testc++1.o
(maybe you meant: __ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_$non_lazy_ptr)
"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> >&))", referenced from:
_main in testc++1.o
"std::cout", referenced from:
__ZSt4cout$non_lazy_ptr in testc++1.o
(maybe you meant: __ZSt4cout$non_lazy_ptr)
ld: symbol(s) not found
collect2: ld returned 1 exit status
make: *** [testc++1] Error 1
**** Build Finished ****