小编adi*_*dev的帖子

感谢所有提供帮助的人！最终起作用的是改变：

set(CMAKE_CXX_COMPILER "gcc-10")
set(CMAKE_C_COMPILER "g++-10")

到：

set(CMAKE_CXX_COMPILER "/usr/local/opt/llvm/bin/clang")
set(CMAKE_C_COMPILER "/usr/local/opt/llvm/bin/clang++")

尝试将 boost 链接到我的程序时出现以下错误：

[ 83%] Linking CXX executable cartogram
Undefined symbols for architecture x86_64:
  "__ZN5boost15program_options11to_internalERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", referenced from:
      __ZN5boost15program_options11to_internalINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEESt6vectorIS7_SaIS7_EERKS8_IT_SaISB_EE in main.cpp.o
  "__ZN5boost15program_options16validation_error12get_templateB5cxx11ENS1_6kind_tE", referenced from:
      __ZN5boost15program_options10validators17get_single_stringIcEERKNSt7__cxx1112basic_stringIT_St11char_traitsIS5_ESaIS5_EEERKSt6vectorIS9_SaIS9_EEb in main.cpp.o
  "__ZN5boost15program_options19options_descriptionC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEjj", referenced from:
      _main in main.cpp.o
  "__ZN5boost15program_options20invalid_option_valueC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", referenced from:
      __ZN5boost15program_options8validateIicEEvRNS_3anyERKSt6vectorINSt7__cxx1112basic_stringIT0_St11char_traitsIS7_ESaIS7_EEESaISB_EEPT_l in main.cpp.o
  "__ZN5boost15program_options22error_with_option_nameC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES9_S9_i", referenced from:
      __ZN5boost15program_options10validators17get_single_stringIcEERKNSt7__cxx1112basic_stringIT_St11char_traitsIS5_ESaIS5_EEERKSt6vectorIS9_SaIS9_EEb in main.cpp.o
  "__ZN5boost15program_options3argB5cxx11E", referenced from:
      __ZNK5boost15program_options11typed_valueIbcE4nameB5cxx11Ev in main.cpp.o
      __ZNK5boost15program_options11typed_valueINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcE4nameEv in main.cpp.o
      __ZNK5boost15program_options11typed_valueIicE4nameB5cxx11Ev in main.cpp.o
  "__ZN5boost15program_options6detail7cmdline21set_additional_parserENS_9function1ISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESA_ERKSA_EE", referenced from:
      __ZN5boost15program_options25basic_command_line_parserIcE12extra_parserENS_9function1ISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESA_ERKSA_EE in main.cpp.o
  "__ZN5boost15program_options6detail7cmdlineC2ERKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS9_EE", referenced from:
      __ZN5boost15program_options25basic_command_line_parserIcEC1EiPKPKc in main.cpp.o
  "__ZN5boost15program_options8validateERNS_3anyERKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS9_EEPS9_i", referenced …