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https://github.com/mpusz/mp-units.git
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build: iwyu CMake script refactored
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Mateusz Pusz
@ -33,7 +33,7 @@ set(IWYU_VERBOSITY_LEVEL 3 CACHE STRING "IWYU verbosity level (the higher the le
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macro(_find_iwyu)
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find_program(_iwyu_path NAMES "include-what-you-use")
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if(NOT _iwyu_path)
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message(WARNING "'include-what-you-use' executable not found!")
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message(FATAL_ERROR "'include-what-you-use' executable not found!")
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return()
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endif()
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endmacro()
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@ -43,7 +43,7 @@ macro(_iwyu_args_append arg)
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endmacro()
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macro(_iwyu_args_append_if_present option arg)
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if(_set_iwyu_${option})
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if(_enable_iwyu_${option})
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_iwyu_args_append("${arg}")
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endif()
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endmacro()
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@ -52,31 +52,35 @@ macro(_process_iwyu_arguments offset)
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set(_options NO_DEFAULT_MAPPINGS PCH_IN_CODE TRANSITIVE_INCLUDES_ONLY NO_COMMENTS NO_FORWARD_DECLARATIONS CXX17_NAMESPACES QUOTED_INCLUDES_FIRST)
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set(_one_value_args MAPPING_FILE MAX_LINE_LENGTH)
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set(_multi_value_args KEEP)
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cmake_parse_arguments(PARSE_ARGV ${offset} _set_iwyu "${_options}" "${_one_value_args}" "${_multi_value_args}")
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cmake_parse_arguments(PARSE_ARGV ${offset} _enable_iwyu "${_options}" "${_one_value_args}" "${_multi_value_args}")
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# validate and process arguments
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if(${prefix}_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Invalid arguments '${${prefix}_UNPARSED_ARGUMENTS}'")
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if(_enable_iwyu_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Invalid arguments '${_enable_iwyu_UNPARSED_ARGUMENTS}'")
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endif()
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if(_set_iwyu_KEEP)
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foreach(_pattern ${_set_iwyu_KEEP})
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if(_enable_iwyu_KEYWORDS_MISSING_VALUES)
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message(FATAL_ERROR "No value provided for '${_enable_iwyu_KEYWORDS_MISSING_VALUES}'")
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endif()
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if(_enable_iwyu_KEEP)
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foreach(_pattern ${_enable_iwyu_KEEP})
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_iwyu_args_append("--keep=${_pattern}")
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endforeach()
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endif()
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if(_set_iwyu_MAPPING_FILE)
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if(NOT EXISTS ${_set_iwyu_MAPPING_FILE})
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message(FATAL_ERROR "IWYU: Mapping file '${_set_iwyu_MAPPING_FILE}' does not exist")
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if(_enable_iwyu_MAPPING_FILE)
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if(NOT EXISTS ${_enable_iwyu_MAPPING_FILE})
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message(FATAL_ERROR "IWYU: Mapping file '${_enable_iwyu_MAPPING_FILE}' does not exist")
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endif()
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_iwyu_args_append("--mapping_file=${_set_iwyu_MAPPING_FILE}")
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_iwyu_args_append("--mapping_file=${_enable_iwyu_MAPPING_FILE}")
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endif()
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if(_set_iwyu_MAX_LINE_LENGTH)
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if(NOT _set_iwyu_MAX_LINE_LENGTH GREATER 0)
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message(FATAL_ERROR "IWYU: Invalid MAX_LINE_LENGTH value = '${_set_iwyu_MAX_LINE_LENGTH}")
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if(_enable_iwyu_MAX_LINE_LENGTH)
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if(NOT _enable_iwyu_MAX_LINE_LENGTH GREATER 0)
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message(FATAL_ERROR "IWYU: Invalid MAX_LINE_LENGTH value = '${_enable_iwyu_MAX_LINE_LENGTH}")
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endif()
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_iwyu_args_append("--max_line_length=${_set_iwyu_MAX_LINE_LENGTH}")
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_iwyu_args_append("--max_line_length=${_enable_iwyu_MAX_LINE_LENGTH}")
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endif()
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_iwyu_args_append_if_present(NO_DEFAULT_MAPPINGS "--no_default_mappings")
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@ -91,26 +95,26 @@ macro(_process_iwyu_arguments offset)
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endmacro()
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#
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# set_target_iwyu(TargetName
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# [KEEP pattern...]
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# [MAPPING_FILE file]
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# [NO_DEFAULT_MAPPINGS]
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# [PCH_IN_CODE]
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# [TRANSITIVE_INCLUDES_ONLY]
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# [MAX_LINE_LENGTH length]
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# [NO_COMMENTS]
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# [NO_FORWARD_DECLARATIONS]
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# [CXX17_NAMESPACES]
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# [QUOTED_INCLUDES_FIRST])
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# enable_target_iwyu(TargetName
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# [KEEP pattern...]
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# [MAPPING_FILE file]
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# [NO_DEFAULT_MAPPINGS]
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# [PCH_IN_CODE]
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# [TRANSITIVE_INCLUDES_ONLY]
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# [MAX_LINE_LENGTH length]
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# [NO_COMMENTS]
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# [NO_FORWARD_DECLARATIONS]
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# [CXX17_NAMESPACES]
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# [QUOTED_INCLUDES_FIRST])
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#
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function(set_target_iwyu target)
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function(enable_target_iwyu target)
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_find_iwyu()
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_process_iwyu_arguments(1)
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message(STATUS "Setting include-what-you-use for '${target}'")
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message(STATUS "Enabling include-what-you-use for '${target}'")
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message(STATUS " Path: ${_iwyu_path}")
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message(STATUS " Arguments: ${_iwyu_args}")
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message(STATUS "Setting include-what-you-use for '${target}' - done")
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message(STATUS "Enabling include-what-you-use for '${target}' - done")
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set_target_properties(${target} PROPERTIES
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CXX_INCLUDE_WHAT_YOU_USE "${_iwyu_path};${_iwyu_args}"
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@ -118,25 +122,25 @@ function(set_target_iwyu target)
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endfunction()
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#
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# set_target_iwyu([KEEP patterns...]
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# [MAPPING_FILE file]
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# [NO_DEFAULT_MAPPINGS]
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# [PCH_IN_CODE]
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# [TRANSITIVE_INCLUDES_ONLY]
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# [MAX_LINE_LENGTH length]
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# [NO_COMMENTS]
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# [NO_FORWARD_DECLARATIONS]
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# [CXX17_NAMESPACES]
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# [QUOTED_INCLUDES_FIRST])
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# enable_target_iwyu([KEEP patterns...]
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# [MAPPING_FILE file]
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# [NO_DEFAULT_MAPPINGS]
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# [PCH_IN_CODE]
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# [TRANSITIVE_INCLUDES_ONLY]
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# [MAX_LINE_LENGTH length]
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# [NO_COMMENTS]
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# [NO_FORWARD_DECLARATIONS]
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# [CXX17_NAMESPACES]
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# [QUOTED_INCLUDES_FIRST])
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#
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function(set_iwyu)
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function(enable_iwyu)
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_find_iwyu()
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_process_iwyu_arguments(0)
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message(STATUS "Setting include-what-you-use")
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message(STATUS "Enabling include-what-you-use")
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message(STATUS " Path: ${_iwyu_path}")
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message(STATUS " Arguments: ${_iwyu_args}")
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message(STATUS "Setting include-what-you-use - done")
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message(STATUS "Enabling include-what-you-use - done")
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set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE "${_iwyu_path};${_iwyu_args}" PARENT_SCOPE)
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endfunction()
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