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c++ - macos GCC 工具链编译简单 hello world 的问题

转载 作者:行者123 更新时间:2023-11-30 04:43:19 25 4
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<分区>

我在 macOS 10.14.6 上的 gcc 配置有一些问题。

你好.cpp:

#include <iostream>
using namespace std;

int main(){
cout << "Hello World.";
}

命令:

$ gcc -o hello hello.cpp

响应:

Undefined symbols for architecture x86_64:
"std::__1::locale::use_facet(std::__1::locale::id&) const", referenced from:
std::__1::ctype<char> const& std::__1::use_facet<std::__1::ctype<char> >(std::__1::locale const&) in hello-1b0e0e.o
"std::__1::ios_base::getloc() const", referenced from:
std::__1::basic_ios<char, std::__1::char_traits<char> >::widen(char) const in hello-1b0e0e.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::__init(unsigned long, char)", referenced from:
std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::basic_string(unsigned long, char) in hello-1b0e0e.o
"std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >::~basic_string()", referenced from:
std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> > std::__1::__pad_and_output<char, std::__1::char_traits<char> >(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> >, char const*, char const*, char const*, std::__1::ios_base&, char) in hello-1b0e0e.o
"std::__1::basic_ostream<char, std::__1::char_traits<char> >::sentry::sentry(std::__1::basic_ostream<char, std::__1::char_traits<char> >&)", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned long) in hello-1b0e0e.o
"std::__1::basic_ostream<char, std::__1::char_traits<char> >::sentry::~sentry()", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned long) in hello-1b0e0e.o
"std::__1::cout", referenced from:
_main in hello-1b0e0e.o
"std::__1::ctype<char>::id", referenced from:
std::__1::ctype<char> const& std::__1::use_facet<std::__1::ctype<char> >(std::__1::locale const&) in hello-1b0e0e.o
"std::__1::locale::~locale()", referenced from:
std::__1::basic_ios<char, std::__1::char_traits<char> >::widen(char) const in hello-1b0e0e.o
"std::__1::ios_base::__set_badbit_and_consider_rethrow()", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned long) in hello-1b0e0e.o
"std::__1::ios_base::clear(unsigned int)", referenced from:
std::__1::ios_base::setstate(unsigned int) in hello-1b0e0e.o
"std::terminate()", referenced from:
___clang_call_terminate in hello-1b0e0e.o
"___cxa_begin_catch", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned long) in hello-1b0e0e.o
___clang_call_terminate in hello-1b0e0e.o
"___cxa_call_unexpected", referenced from:
std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> >::ostreambuf_iterator(std::__1::basic_ostream<char, std::__1::char_traits<char> >&) in hello-1b0e0e.o
"___cxa_end_catch", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned long) in hello-1b0e0e.o
"___gxx_personality_v0", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char> >& std::__1::__put_character_sequence<char, std::__1::char_traits<char> >(std::__1::basic_ostream<char, std::__1::char_traits<char> >&, char const*, unsigned long) in hello-1b0e0e.o
std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> > std::__1::__pad_and_output<char, std::__1::char_traits<char> >(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> >, char const*, char const*, char const*, std::__1::ios_base&, char) in hello-1b0e0e.o
std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> >::ostreambuf_iterator(std::__1::basic_ostream<char, std::__1::char_traits<char> >&) in hello-1b0e0e.o
std::__1::basic_ios<char, std::__1::char_traits<char> >::widen(char) const in hello-1b0e0e.o
Dwarf Exception Unwind Info (__eh_frame) in hello-1b0e0e.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

我已经读过这些:

Can't compile a C program on a Mac after upgrading to Catalina 10.15

GCC Missing Headers on macOS10.15 with Xcode11

Compiling with gcc in macOS Mojave

我已经安装了这个:

/Library/Developer/CommandlineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg

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