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# Provides itk_clangtidy_setup to assist with maintaining consistent
# c++ best practices across the ITK toolkit
#
# Clang-tidy version 8.0 or greater is required
#
# The ITK C++ best practices guidelines are represented by clang-tidy
# rules defined in ${ITK_SOURCE_DIR}/.clang-tidy
#
option(ITK_USE_CLANGTIDY "Enable the use of clang-tidy to enforce coding best practices." OFF)
mark_as_advanced(ITK_USE_CLANGTIDY)
if(ITK_USE_CLANGTIDY)
if(ITK_USE_CLANGTIDY AND NOT EXISTS "${CLANGTIDY_EXECUTABLE}")
find_program(
CLANGTIDY_EXECUTABLE
NAMES clang-tidy-13
clang-tidy-12
clang-tidy-11
clang-tidy-10
clang-tidy-9
clang-tidy-9
clang-tidy-8
clang-tidy)
endif()
if(CLANGTIDY_EXECUTABLE AND EXISTS "${CLANGTIDY_EXECUTABLE}")
mark_as_advanced(CLANGTIDY_EXECUTABLE)
set(CLANG_TIDY_CHECKS "-*,modernize-use-*")
set(CMAKE_CXX_CLANG_TIDY
"${CLANGTIDY_EXECUTABLE};-checks=${CLANG_TIDY_CHECKS};-header-filter='${CMAKE_SOURCE_DIR}/Modules/*/*/include'")
# Compile commands are required by clang-tidy
set(CMAKE_EXPORT_COMPILE_COMMANDS
ON
CACHE BOOL "compile_commands.json file is needed by clang-tidy")
else()
unset(CLANGTIDY_EXECUTABLE)
unset(CMAKE_CXX_CLANG_TIDY)
message(FATAL_ERROR "Missing suitable clang-tidy executable, set CLANGTIDY_EXECUTABLE variable to desired path")
endif()
endif()
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