LLVM链接：命令行错误：选项“帮助列表”已多次注册！ LLVM错误：已注册的命令行选项不一致

Question

我的每个项目开始都无法链接到llvm。每当我尝试运行任何与llvm链接的内容时，都会出现以下错误：

: CommandLine Error: Option 'help-list' registered more than once!
LLVM ERROR: inconsistency in registered CommandLine options

似乎我可能链接了两次？但是我不清楚如何将它链接两次。

CMakeLists：

cmake_minimum_required(VERSION 3.10)
project(schwifty)

set(CMAKE_CXX_STANDARD 14)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DELPP_FEATURE_CRASH_LOG")

set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/out)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/out)

find_package(PythonInterp 3.6 REQUIRED)

file(MAKE_DIRECTORY downloads external)

#
# Easylogging++
#
if (EXISTS "external/easyloggingpp")
else ()
    file(MAKE_DIRECTORY external/easyloggingpp)
    file(DOWNLOAD https://github.com/muflihun/easyloggingpp/archive/v9.96.4.zip
            downloads/easyloggingpp.zip)
    execute_process(COMMAND unzip downloads/easyloggingpp.zip -d downloads)
    file(GLOB easyloggingpp_files
            downloads/easyloggingpp-9.96.4/src/easylogging++.*)
    file(COPY ${easyloggingpp_files} DESTINATION external/easyloggingpp)
endif ()

include_directories(external/easyloggingpp)
add_library(easyloggingpp external/easyloggingpp/easylogging++.cc)

#
# Local lib targets
#

add_library(ast ast.h ast.cc)

add_library(ast_compare_visitor ast_compare_visitor.h ast_compare_visitor.cc)

add_library(classes classes.h classes.cc)

add_library(codegen
        codegen.h
        codegen.cc
        codegen_common.h
        codegen_common.cc
        expression_type_visitor.cc
        expression_type_visitor.h)

add_library(common common.h utils.h utils.cc)

add_library(compilation_context
        compilation_context.h
        compilation_context.cc
        enum.h
        enum.cc
        errors.h
        errors.cc
        operators.h
        operators.cc
        type.h
        type.cc)

target_link_libraries(compilation_context common)

add_library(functions functions.h functions.cc)

add_library(jit jit.cc jit.h)

add_library(lexer lexer.cc lexer.h lexer_common.cc lexer_common.h)

add_library(parser parser.h parser.cc)

add_library(runtime runtime.cc runtime.h)

add_library(type_inference
        type_inference.h
        type_inference.cc
        symbol_visitor.cc
        symbol_visitor.h
        type_inference_visitor.cc
        type_inference_visitor.h)

target_link_libraries(type_inference classes compilation_context)

#
# External lib targets
#

find_package(FMT REQUIRED CONFIG)

find_package(LLVM REQUIRED CONFIG)

message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")

include_directories(${LLVM_INCLUDE_DIRS})

llvm_map_components_to_libnames(llvm_libs all)

target_link_libraries(codegen ${llvm_libs})

#
# Schwifty main executable
#

add_executable(schwifty schwifty.cc)
target_link_libraries(schwifty
        ast
        classes
        codegen
        common
        compilation_context
        easyloggingpp
        fmt::fmt
        functions
        lexer
        parser
        runtime
        type_inference)

#
# Testing
#

enable_testing()
find_package(GTest REQUIRED)

find_package(Threads)

include_directories(${GTEST_INCLUDE_DIRS})

add_executable(codegen_test codegen_test.cc)
target_link_libraries(codegen_test
        ${GTEST_BOTH_LIBRARIES}
        easyloggingpp
        ast
        classes
        codegen
        common
        compilation_context
        fmt::fmt
        functions
        jit
        lexer
        parser
        runtime
        type_inference
        ${CMAKE_THREAD_LIBS_INIT})
add_test(codegen_test COMMAND out/codegen_test)

add_executable(lexer_test lexer_test.cc)
target_link_libraries(lexer_test
        ${GTEST_BOTH_LIBRARIES}
        ast
        common
        compilation_context
        easyloggingpp
        functions
        lexer
        parser
        fmt::fmt
        ${CMAKE_THREAD_LIBS_INIT})
add_test(lexer_test COMMAND out/lexer_test)

add_executable(parser_test parser_test.cc)
target_link_libraries(parser_test
        ${GTEST_BOTH_LIBRARIES}
        ast
        ast_compare_visitor
        compilation_context
        common
        easyloggingpp
        functions
        lexer
        parser
        fmt::fmt
        ${CMAKE_THREAD_LIBS_INIT})
add_test(parser_test COMMAND out/parser_test)

add_executable(type_test type_test.cc)
target_link_libraries(type_test
        ${GTEST_BOTH_LIBRARIES}
        ast
        compilation_context
        common
        easyloggingpp
        functions
        lexer
        parser
        ${CMAKE_THREAD_LIBS_INIT})
add_test(type_test COMMAND out/type_test)

add_executable(type_inference_test type_inference_test.cc)
target_link_libraries(type_inference_test
        ${GTEST_BOTH_LIBRARIES}
        easyloggingpp
        ast
        classes
        common
        compilation_context
        functions
        fmt::fmt
        lexer
        parser
        runtime
        type_inference
        ${CMAKE_THREAD_LIBS_INIT})
add_test(type_inference_test COMMAND ./out/type_inference_test)

add_test(NAME end_to_end_tests
        WORKING_DIRECTORY ${CTEST_SOURCE_DIRECTORY}
        COMMAND ${PYTHON_EXECUTABLE} end_to_end_tests.py)

完整代码：https://bitbucket.org/gruszczy/schwifty/src/default/CMakeLists.txt