ClickHouse/cmake/analysis.cmake

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CMake
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# https://clang.llvm.org/extra/clang-tidy/
option (ENABLE_CLANG_TIDY "Use clang-tidy static analyzer" 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()
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find_program (CLANG_TIDY_PATH NAMES "clang-tidy" "clang-tidy-11" "clang-tidy-10" "clang-tidy-9" "clang-tidy-8")
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if (CLANG_TIDY_PATH)
message(STATUS
"Using clang-tidy: ${CLANG_TIDY_PATH}.
The checks will be run during build process.
See the .clang-tidy file at the root directory to configure the checks.")
set (USE_CLANG_TIDY ON)
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# clang-tidy requires assertions to guide the analysis
# Note that NDEBUG is set implicitly by CMake for non-debug builds
set(COMPILER_FLAGS "${COMPILER_FLAGS} -UNDEBUG")
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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 code static analysis and isn't essential for the build.")
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endif ()
endif ()