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+# Locate cppcheck
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+#
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+# This module defines
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+# CPPCHECK_BIN, where to find cppcheck
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+#
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+# To help find the binary you can set CPPCHECK_ROOT_DIR to search a custom path
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+# Exported argumets include
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+# CPPCHECK_FOUND, if false, do not try to link to cppcheck --- if (CPPCHECK_FOUND)
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+#
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+# CPPCHECK_THREADS_ARG - Number of threads to use (e.g. -j 3)
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+# CPPCHECK_PROJECT_ARG - The project to use (compile_comands.json)
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+# CPPCHECK_BUILD_DIR_ARG - The build output directory
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+# CPPCHECK_ERROR_EXITCODE_ARG - The exit code if an error is found
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+# CPPCHECK_SUPPRESSIONS - A suppressiosn file to use
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+# CPPCHECK_CHECKS_ARGS - The checks to run
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+# CPPCHECK_OTHER_ARGS - Any other arguments
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+# CPPCHECK_COMMAND - The full command to run the default cppcheck configuration
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+# CPPCHECK_EXCLUDES - A list of files or folders to exclude from the scan. Must be the full path
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+#
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+# if CPPCHECK_XML_OUTPUT is set before calling this. CppCheck will create an xml file with that name
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+# find the cppcheck binary
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+
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+# if custom path check there first
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+if(CPPCHECK_ROOT_DIR)
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+ find_program(CPPCHECK_BIN
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+ NAMES
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+ cppcheck
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+ PATHS
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+ "${CPPCHECK_ROOT_DIR}"
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+ NO_DEFAULT_PATH)
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+endif()
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+
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+find_program(CPPCHECK_BIN NAMES cppcheck)
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+
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+if(CPPCHECK_BIN)
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+ execute_process(COMMAND ${CPPCHECK_BIN} --version
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+ OUTPUT_VARIABLE CPPCHECK_VERSION
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+ ERROR_QUIET
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+ OUTPUT_STRIP_TRAILING_WHITESPACE)
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+ message("cppcheck version: ${CPPCHECK_VERSION}")
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+ set(CPPCHECK_THREADS_ARG "-j4" CACHE STRING "The number of threads to use")
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+ set(CPPCHECK_PROJECT_ARG "--project=${PROJECT_BINARY_DIR}/compile_commands.json")
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+ set(CPPCHECK_BUILD_DIR_ARG "--cppcheck-build-dir=${PROJECT_BINARY_DIR}/analysis/cppcheck" CACHE STRING "The build directory to use")
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+ # Don't show these errors
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+ if(EXISTS "${CMAKE_SOURCE_DIR}/.cppcheck_suppressions")
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+ set(CPPCHECK_SUPPRESSIONS "--suppressions-list=${CMAKE_SOURCE_DIR}/.cppcheck_suppressions" CACHE STRING "The suppressions file to use")
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+ else()
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+ set(CPPCHECK_SUPPRESSIONS "" CACHE STRING "The suppressions file to use")
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+ endif()
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+
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+ # Show these errors but don't fail the build
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+ # These are mainly going to be from the "warning" category that is enabled by default later
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+ if(EXISTS "${CMAKE_SOURCE_DIR}/.cppcheck_exitcode_suppressions")
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+ set(CPPCHECK_EXITCODE_SUPPRESSIONS "--exitcode-suppressions=${CMAKE_SOURCE_DIR}/.cppcheck_exitcode_suppressions" CACHE STRING "The exitcode suppressions file to use")
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+ else()
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+ set(CPPCHECK_EXITCODE_SUPPRESSIONS "" CACHE STRING "The exitcode suppressions file to use")
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+ endif()
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+
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+ set(CPPCHECK_ERROR_EXITCODE_ARG "--error-exitcode=1" CACHE STRING "The exitcode to use if an error is found")
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+ set(CPPCHECK_CHECKS_ARGS "--enable=warning" CACHE STRING "Arguments for the checks to run")
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+ set(CPPCHECK_OTHER_ARGS "" CACHE STRING "Other arguments")
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+ set(_CPPCHECK_EXCLUDES)
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+
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+ foreach(ex ${CPPCHECK_EXCLUDES})
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+ list(APPEND _CPPCHECK_EXCLUDES "-i${ex}")
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+ endforeach(ex)
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+
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+ set(CPPCHECK_ALL_ARGS
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+ ${CPPCHECK_THREADS_ARG}
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+ ${CPPCHECK_PROJECT_ARG}
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+ ${CPPCHECK_BUILD_DIR_ARG}
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+ ${CPPCHECK_ERROR_EXITCODE_ARG}
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+ ${CPPCHECK_SUPPRESSIONS}
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+ ${CPPCHECK_EXITCODE_SUPPRESSIONS}
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+ ${CPPCHECK_CHECKS_ARGS}
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+ ${CPPCHECK_OTHER_ARGS}
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+ ${_CPPCHECK_EXCLUDES}
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+ )
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+
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+ if(NOT CPPCHECK_XML_OUTPUT)
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+ set(CPPCHECK_COMMAND
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+ ${CPPCHECK_BIN}
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+ ${CPPCHECK_ALL_ARGS}
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+ )
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+ else()
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+ set(CPPCHECK_COMMAND
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+ ${CPPCHECK_BIN}
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+ ${CPPCHECK_ALL_ARGS}
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+ --xml
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+ --xml-version=2
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+ 2> ${CPPCHECK_XML_OUTPUT})
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+ endif()
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+
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+endif()
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+
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+
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+
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+# handle the QUIETLY and REQUIRED arguments and set YAMLCPP_FOUND to TRUE if all listed variables are TRUE
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+include(FindPackageHandleStandardArgs)
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+FIND_PACKAGE_HANDLE_STANDARD_ARGS(
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+ CPPCHECK
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+ DEFAULT_MSG
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+ CPPCHECK_BIN)
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+
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+mark_as_advanced(
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+ CPPCHECK_BIN
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+ CPPCHECK_THREADS_ARG
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+ CPPCHECK_PROJECT_ARG
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+ CPPCHECK_BUILD_DIR_ARG
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+ CPPCHECK_ERROR_EXITCODE_ARG
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+ CPPCHECK_SUPPRESSIONS
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+ CPPCHECK_CHECKS_ARGS
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+ CPPCHECK_OTHER_ARGS)
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+
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+if(CPPCHECK_FOUND)
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+ file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/analysis/cppcheck)
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+ add_custom_target(cppcheck-analysis
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+ COMMAND ${CPPCHECK_COMMAND})
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+ message("cppcheck found. Use cppcheck-analysis targets to run it ${CPPCHECK_COMMAND}")
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+else()
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+ message("cppcheck not found. No cppcheck-analysis targets")
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+endif()
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