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# Check executable exists
if(NOT EXISTS ${CLANG_FORMAT_EXECUTABLE})
find_program(CLANG_FORMAT_EXEC_TEMP ${CLANG_FORMAT_EXECUTABLE})
if(CLANG_FORMAT_EXEC_TEMP)
set(CLANG_FORMAT_EXECUTABLE ${CLANG_FORMAT_EXEC_TEMP})
unset(CLANG_FORMAT_EXEC_TEMP)
else()
message(FATAL_ERROR "Unable to find clang-format executable: \"${CLANG_FORMAT_EXECUTABLE}\"")
endif()
endif()
# Check executable version
execute_process(COMMAND ${CLANG_FORMAT_EXECUTABLE} --version OUTPUT_VARIABLE CLANG_FORMAT_VERSION)
string(REGEX MATCH "clang-format version ([0-9]+)" CLANG_FORMAT_VERSION ${CLANG_FORMAT_VERSION})
unset(CLANG_FORMAT_VERSION)
if(NOT CMAKE_MATCH_1 EQUAL 17)
message(FATAL_ERROR "clang-format version ${CMAKE_MATCH_1} not supported. Must use version 17")
endif()
# Run
set(SOURCES "")
foreach(FOLDER IN ITEMS examples include src test)
file(GLOB_RECURSE folder_files "${FOLDER}/*.h" "${FOLDER}/*.hpp" "${FOLDER}/*.c" "${FOLDER}/*.cpp")
list(APPEND SOURCES ${folder_files})
endforeach()
execute_process(COMMAND ${CLANG_FORMAT_EXECUTABLE} -i ${SOURCES})
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