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# Check executable exists
if(NOT EXISTS ${CLANG_TIDY_EXECUTABLE})
find_program(CLANG_TIDY_EXEC_TEMP ${CLANG_TIDY_EXECUTABLE})
if(CLANG_TIDY_EXEC_TEMP)
set(CLANG_TIDY_EXECUTABLE ${CLANG_TIDY_EXEC_TEMP})
unset(CLANG_TIDY_EXEC_TEMP)
else()
message(FATAL_ERROR "Unable to find clang-tidy executable: \"${CLANG_TIDY_EXECUTABLE}\"")
endif()
endif()
# Check executable version
execute_process(COMMAND ${CLANG_TIDY_EXECUTABLE} --version OUTPUT_VARIABLE CLANG_TIDY_VERSION)
string(REGEX MATCH "version ([0-9]+)" CLANG_TIDY_VERSION ${CLANG_TIDY_VERSION})
unset(CLANG_TIDY_VERSION)
if(CMAKE_MATCH_1 GREATER_EQUAL 14)
message(STATUS "Using clang-tidy version ${CMAKE_MATCH_1}")
else()
message(FATAL_ERROR "clang-tidy version ${CMAKE_MATCH_1} is too low")
endif()
# Find Python and run-clang-tidy script
find_package(Python 3 REQUIRED)
find_program(RUN_CLANG_TIDY run-clang-tidy)
if(NOT RUN_CLANG_TIDY)
message(FATAL_ERROR "Failed to find run-clang-tidy script")
endif()
# Patch out dependencies
execute_process(COMMAND ${CMAKE_COMMAND} -DPROJECT_BINARY_DIR=${PROJECT_BINARY_DIR} -P ${CMAKE_SOURCE_DIR}/tools/tidy/PatchTidy.cmake)
# Run
execute_process(COMMAND ${Python_EXECUTABLE} ${RUN_CLANG_TIDY} -clang-tidy-binary ${CLANG_TIDY_EXECUTABLE} -quiet -p ${PROJECT_BINARY_DIR} RESULTS_VARIABLE EXIT_CODE)
if(NOT EXIT_CODE STREQUAL 0)
message(FATAL_ERROR "Analysis failed")
endif()
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