ClickHouse/cmake/clang_tidy.cmake
2022-11-03 11:53:11 +01:00

40 lines
1.7 KiB
CMake

# https://clang.llvm.org/extra/clang-tidy/
option (ENABLE_CLANG_TIDY "Use clang-tidy static analyzer" OFF)
if (ENABLE_CLANG_TIDY)
find_program (CLANG_TIDY_CACHE_PATH NAMES "clang-tidy-cache")
if (CLANG_TIDY_CACHE_PATH)
find_program (_CLANG_TIDY_PATH NAMES "clang-tidy" "clang-tidy-15" "clang-tidy-14" "clang-tidy-13" "clang-tidy-12")
# Why do we use ';' here?
# It's a cmake black magic: https://cmake.org/cmake/help/latest/prop_tgt/LANG_CLANG_TIDY.html#prop_tgt:%3CLANG%3E_CLANG_TIDY
# The CLANG_TIDY_PATH is passed to CMAKE_CXX_CLANG_TIDY, which follows CXX_CLANG_TIDY syntax.
set (CLANG_TIDY_PATH "${CLANG_TIDY_CACHE_PATH};${_CLANG_TIDY_PATH}" CACHE STRING "A combined command to run clang-tidy with caching wrapper")
else ()
find_program (CLANG_TIDY_PATH NAMES "clang-tidy" "clang-tidy-15" "clang-tidy-14" "clang-tidy-13" "clang-tidy-12")
endif ()
if (CLANG_TIDY_PATH)
message (STATUS
"Using clang-tidy: ${CLANG_TIDY_PATH}.
The checks will be run during build process.
See the .clang-tidy file at the root directory to configure the checks.")
set (USE_CLANG_TIDY ON)
# clang-tidy requires assertions to guide the analysis
# Note that NDEBUG is set implicitly by CMake for non-debug builds
set (COMPILER_FLAGS "${COMPILER_FLAGS} -UNDEBUG")
# The variable CMAKE_CXX_CLANG_TIDY will be set inside the following directories with non third-party code.
# - base
# - programs
# - src
# - utils
# set (CMAKE_CXX_CLANG_TIDY "${CLANG_TIDY_PATH}")
else ()
message (${RECONFIGURE_MESSAGE_LEVEL} "clang-tidy is not found")
endif ()
endif ()