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https://github.com/ZDoom/zdoom-macos-deps.git
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187 lines
6.8 KiB
CMake
187 lines
6.8 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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configure_file(${FortranCInterface_SOURCE_DIR}/Input.cmake.in
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${FortranCInterface_BINARY_DIR}/Input.cmake @ONLY)
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# Detect the Fortran/C interface on the first run or when the
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# configuration changes.
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if(NOT EXISTS ${FortranCInterface_BINARY_DIR}/Output.cmake
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OR NOT EXISTS ${FortranCInterface_BINARY_DIR}/Input.cmake
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OR NOT EXISTS ${FortranCInterface_BINARY_DIR}/Output.cmake.in
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OR NOT ${FortranCInterface_BINARY_DIR}/Output.cmake
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IS_NEWER_THAN ${FortranCInterface_BINARY_DIR}/Input.cmake
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OR NOT ${FortranCInterface_SOURCE_DIR}/Output.cmake
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IS_NEWER_THAN ${FortranCInterface_BINARY_DIR}/Output.cmake.in
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OR NOT ${FortranCInterface_BINARY_DIR}/Output.cmake
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IS_NEWER_THAN ${FortranCInterface_SOURCE_DIR}/CMakeLists.txt
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OR NOT ${FortranCInterface_BINARY_DIR}/Output.cmake
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IS_NEWER_THAN ${CMAKE_CURRENT_LIST_FILE}
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)
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message(CHECK_START "Detecting Fortran/C Interface")
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else()
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return()
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endif()
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# Invalidate verification results.
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unset(FortranCInterface_VERIFIED_C CACHE)
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unset(FortranCInterface_VERIFIED_CXX CACHE)
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set(_result)
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cmake_policy(GET CMP0056 _FortranCInterface_CMP0056)
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if(_FortranCInterface_CMP0056 STREQUAL "NEW")
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set(_FortranCInterface_EXE_LINKER_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${CMAKE_EXE_LINKER_FLAGS}")
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else()
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set(_FortranCInterface_EXE_LINKER_FLAGS "")
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endif()
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unset(_FortranCInterface_CMP0056)
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# Build a sample project which reports symbols.
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set(CMAKE_TRY_COMPILE_CONFIGURATION Release)
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try_compile(FortranCInterface_COMPILED
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${FortranCInterface_BINARY_DIR}
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${FortranCInterface_SOURCE_DIR}
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FortranCInterface # project name
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FortranCInterface # target name
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CMAKE_FLAGS
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"-DCMAKE_C_FLAGS:STRING=${CMAKE_C_FLAGS}"
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"-DCMAKE_Fortran_FLAGS:STRING=${CMAKE_Fortran_FLAGS}"
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"-DCMAKE_C_FLAGS_RELEASE:STRING=${CMAKE_C_FLAGS_RELEASE}"
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"-DCMAKE_Fortran_FLAGS_RELEASE:STRING=${CMAKE_Fortran_FLAGS_RELEASE}"
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${_FortranCInterface_EXE_LINKER_FLAGS}
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OUTPUT_VARIABLE FortranCInterface_OUTPUT)
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set(FortranCInterface_COMPILED ${FortranCInterface_COMPILED})
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unset(FortranCInterface_COMPILED CACHE)
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unset(_FortranCInterface_EXE_LINKER_FLAGS)
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# Locate the sample project executable.
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set(FortranCInterface_EXE)
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if(FortranCInterface_COMPILED)
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include(${FortranCInterface_BINARY_DIR}/exe-Release.cmake OPTIONAL)
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else()
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set(_result "Failed to compile")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Fortran/C interface test project failed with the following output:\n"
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"${FortranCInterface_OUTPUT}\n")
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endif()
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# Load symbols from INFO:symbol[] strings in the executable.
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set(FortranCInterface_SYMBOLS)
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if(FortranCInterface_EXE)
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file(STRINGS "${FortranCInterface_EXE}" _info_strings
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LIMIT_COUNT 8 REGEX "INFO:[A-Za-z0-9_]+\\[[^]]*\\]")
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foreach(info ${_info_strings})
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if("${info}" MATCHES "INFO:symbol\\[([^]]*)\\]")
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list(APPEND FortranCInterface_SYMBOLS ${CMAKE_MATCH_1})
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endif()
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endforeach()
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elseif(NOT _result)
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set(_result "Failed to load sample executable")
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endif()
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set(_case_mysub "LOWER")
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set(_case_my_sub "LOWER")
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set(_case_MYSUB "UPPER")
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set(_case_MY_SUB "UPPER")
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set(_global_regex "^(_*)(mysub|MYSUB)([_$]*)$")
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set(_global__regex "^(_*)(my_sub|MY_SUB)([_$]*)$")
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set(_module_regex "^(_*)(mymodule|MYMODULE)([A-Za-z_$]*)(mysub|MYSUB)([_$]*)$")
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set(_module__regex "^(_*)(my_module|MY_MODULE)([A-Za-z_$]*)(my_sub|MY_SUB)([_$]*)$")
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# Parse the symbol names.
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foreach(symbol ${FortranCInterface_SYMBOLS})
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foreach(form "" "_")
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# Look for global symbols.
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string(REGEX REPLACE "${_global_${form}regex}"
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"\\1;\\2;\\3" pieces "${symbol}")
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list(LENGTH pieces len)
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if(len EQUAL 3)
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set(FortranCInterface_GLOBAL_${form}SYMBOL "${symbol}")
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list(GET pieces 0 FortranCInterface_GLOBAL_${form}PREFIX)
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list(GET pieces 1 name)
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list(GET pieces 2 FortranCInterface_GLOBAL_${form}SUFFIX)
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set(FortranCInterface_GLOBAL_${form}CASE "${_case_${name}}")
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endif()
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# Look for module symbols.
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string(REGEX REPLACE "${_module_${form}regex}"
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"\\1;\\2;\\3;\\4;\\5" pieces "${symbol}")
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list(LENGTH pieces len)
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if(len EQUAL 5)
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set(FortranCInterface_MODULE_${form}SYMBOL "${symbol}")
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list(GET pieces 0 FortranCInterface_MODULE_${form}PREFIX)
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list(GET pieces 1 module)
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list(GET pieces 2 FortranCInterface_MODULE_${form}MIDDLE)
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list(GET pieces 3 name)
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list(GET pieces 4 FortranCInterface_MODULE_${form}SUFFIX)
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set(FortranCInterface_MODULE_${form}CASE "${_case_${name}}")
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endif()
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endforeach()
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endforeach()
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# Construct mangling macro definitions.
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set(_name_LOWER "name")
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set(_name_UPPER "NAME")
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foreach(form "" "_")
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if(FortranCInterface_GLOBAL_${form}SYMBOL)
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if(FortranCInterface_GLOBAL_${form}PREFIX)
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set(_prefix "${FortranCInterface_GLOBAL_${form}PREFIX}##")
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else()
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set(_prefix "")
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endif()
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if(FortranCInterface_GLOBAL_${form}SUFFIX)
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set(_suffix "##${FortranCInterface_GLOBAL_${form}SUFFIX}")
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else()
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set(_suffix "")
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endif()
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set(_name "${_name_${FortranCInterface_GLOBAL_${form}CASE}}")
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set(FortranCInterface_GLOBAL${form}_MACRO
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"(name,NAME) ${_prefix}${_name}${_suffix}")
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endif()
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if(FortranCInterface_MODULE_${form}SYMBOL)
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if(FortranCInterface_MODULE_${form}PREFIX)
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set(_prefix "${FortranCInterface_MODULE_${form}PREFIX}##")
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else()
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set(_prefix "")
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endif()
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if(FortranCInterface_MODULE_${form}SUFFIX)
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set(_suffix "##${FortranCInterface_MODULE_${form}SUFFIX}")
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else()
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set(_suffix "")
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endif()
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set(_name "${_name_${FortranCInterface_MODULE_${form}CASE}}")
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set(_middle "##${FortranCInterface_MODULE_${form}MIDDLE}##")
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set(FortranCInterface_MODULE${form}_MACRO
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"(mod_name,name, mod_NAME,NAME) ${_prefix}mod_${_name}${_middle}${_name}${_suffix}")
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endif()
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endforeach()
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# Summarize what is available.
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foreach(scope GLOBAL MODULE)
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if(FortranCInterface_${scope}_SYMBOL AND
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FortranCInterface_${scope}__SYMBOL)
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set(FortranCInterface_${scope}_FOUND 1)
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else()
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set(FortranCInterface_${scope}_FOUND 0)
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endif()
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endforeach()
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# Record the detection results.
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configure_file(${FortranCInterface_SOURCE_DIR}/Output.cmake.in
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${FortranCInterface_BINARY_DIR}/Output.cmake @ONLY)
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file(APPEND ${FortranCInterface_BINARY_DIR}/Output.cmake "\n")
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# Report the results.
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if(FortranCInterface_GLOBAL_FOUND)
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if(FortranCInterface_MODULE_FOUND)
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set(_result "Found GLOBAL and MODULE mangling")
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else()
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set(_result "Found GLOBAL but not MODULE mangling")
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endif()
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set(_result_type CHECK_PASS)
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elseif(NOT _result)
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set(_result "Failed to recognize symbols")
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set(_result_type CHECK_FAIL)
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endif()
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message(${_result_type} "${_result}")
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