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#.rst:
# FindCppcheck
# ------------
# Finds cppcheck and sets it up to run along with the compiler for C and CXX.
find_program(CPPCHECK_EXECUTABLE cppcheck)
if(CPPCHECK_EXECUTABLE)
execute_process(COMMAND "${CPPCHECK_EXECUTABLE}" --version
OUTPUT_VARIABLE CPPCHECK_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX REPLACE "Cppcheck (.*)" "\\1" CPPCHECK_VERSION "${CPPCHECK_VERSION}")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Cppcheck REQUIRED_VARS CPPCHECK_EXECUTABLE
VERSION_VAR CPPCHECK_VERSION)
if(CPPCHECK_FOUND)
# CMake < 3.16 treats Objective-C (OBJC) files as C files and Objective-C++ (OBJCXX) files as C++ files,
# but cppcheck doesn't support Objective-C and Objective-C++.
# CMake >= 3.16 added support for Objective-C and Objective-C++ language,
# but doesn't support OBJC and OBJCXX for <LANG>_CLANG_TIDY.
file(WRITE "${CMAKE_BINARY_DIR}/cppcheck" "case \"$@\" in *.m|*.mm) exit 0; esac\nexec \"${CPPCHECK_EXECUTABLE}\" --quiet --relative-paths=\"${CMAKE_SOURCE_DIR}\" \"$@\"\n")
execute_process(COMMAND chmod +x "${CMAKE_BINARY_DIR}/cppcheck")
# Supports Unix Makefiles and Ninja
set(CMAKE_C_CPPCHECK "${CMAKE_BINARY_DIR}/cppcheck" PARENT_SCOPE)
set(CMAKE_CXX_CPPCHECK "${CMAKE_BINARY_DIR}/cppcheck" PARENT_SCOPE)
endif()
mark_as_advanced(CPPCHECK_EXECUTABLE)
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