ClickHouse/cmake/analysis.cmake

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CMake
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# This file configures static analysis tools that can be integrated to the build process
option (ENABLE_CLANG_TIDY "Use 'clang-tidy' static analyzer if present" OFF)
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if (ENABLE_CLANG_TIDY)
if (${CMAKE_VERSION} VERSION_LESS "3.6.0")
message(FATAL_ERROR "clang-tidy requires CMake version at least 3.6.")
endif()
find_program (CLANG_TIDY_PATH NAMES "clang-tidy" "clang-tidy-10" "clang-tidy-9" "clang-tidy-8")
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if (CLANG_TIDY_PATH)
message(STATUS "Using clang-tidy: ${CLANG_TIDY_PATH}. The checks will be run during build process. See the .clang-tidy file at the root directory to configure the checks.")
set (USE_CLANG_TIDY 1)
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# The variable CMAKE_CXX_CLANG_TIDY will be set inside src and base directories with non third-party code.
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# set (CMAKE_CXX_CLANG_TIDY "${CLANG_TIDY_PATH}")
elseif (FAIL_ON_UNSUPPORTED_OPTIONS_COMBINATION)
message(FATAL_ERROR "clang-tidy is not found")
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else ()
message(STATUS "clang-tidy is not found. This is normal - the tool is only used for static code analysis and isn't essential for the build.")
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endif ()
endif ()