Undefined symbols for architecture arm64:
"std::__1::locale::use_facet(std::__1::locale::id&) const", referenced from:
std::__1::ctype<char> const& std::__1::use_facet[abi:ne180100]<std::__1::ctype<char>>(std::__1::locale const&) in CPP-ff0177.o
"std::__1::ios_base::getloc() const", referenced from:
std::__1::basic_ios<char, std::__1::char_traits<char>>::widen[abi:ne180100](char) const in CPP-ff0177.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[abi:ne180100](unsigned long, char) in CPP-ff0177.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[abi:ne180100]<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 CPP-ff0177.o
std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>> std::__1::__pad_and_output[abi:ne180100]<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 CPP-ff0177.o
"std::__1::basic_istream<char, std::__1::char_traits<char>>::operator>>(int&)", referenced from:
_main in CPP-ff0177.o
_main in CPP-ff0177.o
_main in CPP-ff0177.o
_main in CPP-ff0177.o
"std::__1::basic_ostream<char, std::__1::char_traits<char>>::put(char)", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::endl[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&) in CPP-ff0177.o
"std::__1::basic_ostream<char, std::__1::char_traits<char>>::flush()", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::endl[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&) in CPP-ff0177.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[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.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[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o
std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o
"std::__1::basic_ostream<char, std::__1::char_traits<char>>::operator<<(double)", referenced from:
_main in CPP-ff0177.o
"std::__1::basic_ostream<char, std::__1::char_traits<char>>::operator<<(int)", referenced from:
_main in CPP-ff0177.o
"std::__1::cin", referenced from:
_main in CPP-ff0177.o
"std::__1::cout", referenced from:
_main in CPP-ff0177.o
"std::__1::ctype<char>::id", referenced from:
std::__1::ctype<char> const& std::__1::use_facet[abi:ne180100]<std::__1::ctype<char>>(std::__1::locale const&) in CPP-ff0177.o
"std::__1::locale::~locale()", referenced from:
std::__1::basic_ios<char, std::__1::char_traits<char>>::widen[abi:ne180100](char) const in CPP-ff0177.o
std::__1::basic_ios<char, std::__1::char_traits<char>>::widen[abi:ne180100](char) const in CPP-ff0177.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[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o
"std::__1::ios_base::clear(unsigned int)", referenced from:
std::__1::ios_base::setstate[abi:ne180100](unsigned int) in CPP-ff0177.o
"std::terminate()", referenced from:
___clang_call_terminate in CPP-ff0177.o
"___cxa_begin_catch", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o
___clang_call_terminate in CPP-ff0177.o
"___cxa_call_unexpected", referenced from:
std::__1::char_traits<char>::length[abi:ne180100](char const*) in CPP-ff0177.o
std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>>::ostreambuf_iterator[abi:ne180100](std::__1::basic_ostream<char, std::__1::char_traits<char>>&) in CPP-ff0177.o
"___cxa_end_catch", referenced from:
std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o
std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::__put_character_sequence[abi:ne180100]<char, std::__1::char_traits<char>>(std::__1::basic_ostream<char, std::__1::char_traits<char>>&, char const*, unsigned long) in CPP-ff0177.o
"___gxx_personality_v0", referenced from:
/private/var/folders/nt/_wsd9hj903q7pgvy73frnx4c0000gn/T/CPP-ff0177.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
v_fengte@MacBook-Pro ddd %
本文介绍了一种解决iOS开发过程中常见的编译错误的方法，通过调整Xcode项目的设置，包括更改Architecture选项并清除构建缓存。
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