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Hi, I'm working on an LLVM Pass plugin and I'm running into a problem when loading it into opt. I want to have a custom option for my pass and added an llvm::cl::opt #include'ing "llvm/Support/CommandLine.h" linking the dependant libs causes the following error when loading it with opt: opt: CommandLine Error: Option 'debug-pass' registered more than once! I

Hi Philip, thanks for the quick answer. That makes sense, but when leaving the set LLVM_LINK_COMPONENTS out I get an undefined symbol when loading the plugin: _ZTVN4llvm2cl3optINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb0ENS0_6parserIS7_EEEE which boils down to llvm::cl::opt<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>,