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build: iwyu CMake script refactored

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Mateusz Pusz
2021-05-07 20:46:40 +02:00
parent 2e4b9483fa
commit f4a8a1358e
2 changed files with 47 additions and 43 deletions
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2
CMakeLists.txt
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@ -42,7 +42,7 @@ add_compile_definitions($<$<CONFIG:Debug>:gsl_CONFIG_CONTRACT_CHECKING_AUDIT>)
option(UNITS_IWYU "Enables include-what-you-use" OFF) option(UNITS_IWYU "Enables include-what-you-use" OFF)
if(UNITS_IWYU) if(UNITS_IWYU)
include(include-what-you-use) include(include-what-you-use)
set_iwyu( enable_iwyu(
MAPPING_FILE "${PROJECT_SOURCE_DIR}/.mp-units.imp" MAPPING_FILE "${PROJECT_SOURCE_DIR}/.mp-units.imp"
NO_FORWARD_DECLARATIONS NO_FORWARD_DECLARATIONS
QUOTED_INCLUDES_FIRST QUOTED_INCLUDES_FIRST

50
cmake/include-what-you-use.cmake
View File

@ -33,7 +33,7 @@ set(IWYU_VERBOSITY_LEVEL 3 CACHE STRING "IWYU verbosity level (the higher the le
macro(_find_iwyu) macro(_find_iwyu)
find_program(_iwyu_path NAMES "include-what-you-use") find_program(_iwyu_path NAMES "include-what-you-use")
if(NOT _iwyu_path) if(NOT _iwyu_path)
message(WARNING "'include-what-you-use' executable not found!") message(FATAL_ERROR "'include-what-you-use' executable not found!")
return() return()
endif() endif()
endmacro() endmacro()
@ -43,7 +43,7 @@ macro(_iwyu_args_append arg)
endmacro() endmacro()
macro(_iwyu_args_append_if_present option arg) macro(_iwyu_args_append_if_present option arg)
if(_set_iwyu_${option}) if(_enable_iwyu_${option})
_iwyu_args_append("${arg}") _iwyu_args_append("${arg}")
endif() endif()
endmacro() endmacro()
@ -52,31 +52,35 @@ macro(_process_iwyu_arguments offset)
set(_options NO_DEFAULT_MAPPINGS PCH_IN_CODE TRANSITIVE_INCLUDES_ONLY NO_COMMENTS NO_FORWARD_DECLARATIONS CXX17_NAMESPACES QUOTED_INCLUDES_FIRST) set(_options NO_DEFAULT_MAPPINGS PCH_IN_CODE TRANSITIVE_INCLUDES_ONLY NO_COMMENTS NO_FORWARD_DECLARATIONS CXX17_NAMESPACES QUOTED_INCLUDES_FIRST)
set(_one_value_args MAPPING_FILE MAX_LINE_LENGTH) set(_one_value_args MAPPING_FILE MAX_LINE_LENGTH)
set(_multi_value_args KEEP) set(_multi_value_args KEEP)
cmake_parse_arguments(PARSE_ARGV ${offset} _set_iwyu "${_options}" "${_one_value_args}" "${_multi_value_args}") cmake_parse_arguments(PARSE_ARGV ${offset} _enable_iwyu "${_options}" "${_one_value_args}" "${_multi_value_args}")
# validate and process arguments # validate and process arguments
if(${prefix}_UNPARSED_ARGUMENTS) if(_enable_iwyu_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Invalid arguments '${${prefix}_UNPARSED_ARGUMENTS}'") message(FATAL_ERROR "Invalid arguments '${_enable_iwyu_UNPARSED_ARGUMENTS}'")
endif() endif()
if(_set_iwyu_KEEP) if(_enable_iwyu_KEYWORDS_MISSING_VALUES)
foreach(_pattern ${_set_iwyu_KEEP}) message(FATAL_ERROR "No value provided for '${_enable_iwyu_KEYWORDS_MISSING_VALUES}'")
endif()
if(_enable_iwyu_KEEP)
foreach(_pattern ${_enable_iwyu_KEEP})
_iwyu_args_append("--keep=${_pattern}") _iwyu_args_append("--keep=${_pattern}")
endforeach() endforeach()
endif() endif()
if(_set_iwyu_MAPPING_FILE) if(_enable_iwyu_MAPPING_FILE)
if(NOT EXISTS ${_set_iwyu_MAPPING_FILE}) if(NOT EXISTS ${_enable_iwyu_MAPPING_FILE})
message(FATAL_ERROR "IWYU: Mapping file '${_set_iwyu_MAPPING_FILE}' does not exist") message(FATAL_ERROR "IWYU: Mapping file '${_enable_iwyu_MAPPING_FILE}' does not exist")
endif() endif()
_iwyu_args_append("--mapping_file=${_set_iwyu_MAPPING_FILE}") _iwyu_args_append("--mapping_file=${_enable_iwyu_MAPPING_FILE}")
endif() endif()
if(_set_iwyu_MAX_LINE_LENGTH) if(_enable_iwyu_MAX_LINE_LENGTH)
if(NOT _set_iwyu_MAX_LINE_LENGTH GREATER 0) if(NOT _enable_iwyu_MAX_LINE_LENGTH GREATER 0)
message(FATAL_ERROR "IWYU: Invalid MAX_LINE_LENGTH value = '${_set_iwyu_MAX_LINE_LENGTH}") message(FATAL_ERROR "IWYU: Invalid MAX_LINE_LENGTH value = '${_enable_iwyu_MAX_LINE_LENGTH}")
endif() endif()
_iwyu_args_append("--max_line_length=${_set_iwyu_MAX_LINE_LENGTH}") _iwyu_args_append("--max_line_length=${_enable_iwyu_MAX_LINE_LENGTH}")
endif() endif()
_iwyu_args_append_if_present(NO_DEFAULT_MAPPINGS "--no_default_mappings") _iwyu_args_append_if_present(NO_DEFAULT_MAPPINGS "--no_default_mappings")
@ -91,7 +95,7 @@ macro(_process_iwyu_arguments offset)
endmacro() endmacro()
# #
# set_target_iwyu(TargetName # enable_target_iwyu(TargetName
# [KEEP pattern...] # [KEEP pattern...]
# [MAPPING_FILE file] # [MAPPING_FILE file]
# [NO_DEFAULT_MAPPINGS] # [NO_DEFAULT_MAPPINGS]
@ -103,14 +107,14 @@ endmacro()
# [CXX17_NAMESPACES] # [CXX17_NAMESPACES]
# [QUOTED_INCLUDES_FIRST]) # [QUOTED_INCLUDES_FIRST])
# #
function(set_target_iwyu target) function(enable_target_iwyu target)
_find_iwyu() _find_iwyu()
_process_iwyu_arguments(1) _process_iwyu_arguments(1)
message(STATUS "Setting include-what-you-use for '${target}'") message(STATUS "Enabling include-what-you-use for '${target}'")
message(STATUS " Path: ${_iwyu_path}") message(STATUS " Path: ${_iwyu_path}")
message(STATUS " Arguments: ${_iwyu_args}") message(STATUS " Arguments: ${_iwyu_args}")
message(STATUS "Setting include-what-you-use for '${target}' - done") message(STATUS "Enabling include-what-you-use for '${target}' - done")
set_target_properties(${target} PROPERTIES set_target_properties(${target} PROPERTIES
CXX_INCLUDE_WHAT_YOU_USE "${_iwyu_path};${_iwyu_args}" CXX_INCLUDE_WHAT_YOU_USE "${_iwyu_path};${_iwyu_args}"
@ -118,7 +122,7 @@ function(set_target_iwyu target)
endfunction() endfunction()
# #
# set_target_iwyu([KEEP patterns...] # enable_target_iwyu([KEEP patterns...]
# [MAPPING_FILE file] # [MAPPING_FILE file]
# [NO_DEFAULT_MAPPINGS] # [NO_DEFAULT_MAPPINGS]
# [PCH_IN_CODE] # [PCH_IN_CODE]
@ -129,14 +133,14 @@ endfunction()
# [CXX17_NAMESPACES] # [CXX17_NAMESPACES]
# [QUOTED_INCLUDES_FIRST]) # [QUOTED_INCLUDES_FIRST])
# #
function(set_iwyu) function(enable_iwyu)
_find_iwyu() _find_iwyu()
_process_iwyu_arguments(0) _process_iwyu_arguments(0)
message(STATUS "Setting include-what-you-use") message(STATUS "Enabling include-what-you-use")
message(STATUS " Path: ${_iwyu_path}") message(STATUS " Path: ${_iwyu_path}")
message(STATUS " Arguments: ${_iwyu_args}") message(STATUS " Arguments: ${_iwyu_args}")
message(STATUS "Setting include-what-you-use - done") message(STATUS "Enabling include-what-you-use - done")
set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE "${_iwyu_path};${_iwyu_args}" PARENT_SCOPE) set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE "${_iwyu_path};${_iwyu_args}" PARENT_SCOPE)
endfunction() endfunction()