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#
# Copyright (C) 2018 by George Cave - gcave@stablecoder.ca
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
set(USE_SANITIZER
""
CACHE
STRING
"Compile with a sanitizer. Options are: Address, Memory, MemoryWithOrigins, Undefined, Thread, Leak, 'Address;Undefined'"
)
function(append value)
foreach(variable ${ARGN})
set(${variable}
"${${variable}} ${value}"
PARENT_SCOPE)
endforeach(variable)
endfunction()
message(STATUS "USE_SANITIZER=${USE_SANITIZER}, CMAKE_C_COMPILER_ID=${CMAKE_C_COMPILER_ID}")
if(USE_SANITIZER AND "${CMAKE_C_COMPILER_ID}" MATCHES "Clang")
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
append("-fno-omit-frame-pointer" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
message(STATUS "Building with sanitize, base flags=${CMAKE_C_SANITIZER_FLAGS}")
if(UNIX)
if(uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
append("-O1" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
endif()
if(USE_SANITIZER MATCHES "([Aa]ddress);([Uu]ndefined)"
OR USE_SANITIZER MATCHES "([Uu]ndefined);([Aa]ddress)")
message(STATUS "Building with Address, Undefined sanitizers")
append("-fsanitize=address,undefined" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
set(MEMCHECK_TYPE AddressSanitizer)
elseif(USE_SANITIZER MATCHES "([Aa]ddress)")
# Optional: -fno-optimize-sibling-calls -fsanitize-address-use-after-scope
message(STATUS "Building with Address sanitizer")
append("-fsanitize=address" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
set(MEMCHECK_TYPE AddressSanitizer)
elseif(USE_SANITIZER MATCHES "([Mm]emory([Ww]ith[Oo]rigins)?)")
# Optional: -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2
append("-fsanitize=memory" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
if(USE_SANITIZER MATCHES "([Mm]emory[Ww]ith[Oo]rigins)")
message(STATUS "Building with MemoryWithOrigins sanitizer")
append("-fsanitize-memory-track-origins" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
else()
message(STATUS "Building with Memory sanitizer")
endif()
set(MEMCHECK_TYPE MemorySanitizer)
elseif(USE_SANITIZER MATCHES "([Uu]ndefined)")
message(STATUS "Building with Undefined sanitizer")
append("-fsanitize=undefined" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
if(EXISTS "${BLACKLIST_FILE}")
append("-fsanitize-blacklist=${BLACKLIST_FILE}" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
endif()
set(MEMCHECK_TYPE UndefinedBehaviorSanitizer)
elseif(USE_SANITIZER MATCHES "([Tt]hread)")
message(STATUS "Building with Thread sanitizer")
append("-fsanitize=thread" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
set(MEMCHECK_TYPE ThreadSanitizer)
elseif(USE_SANITIZER MATCHES "([Ll]eak)")
message(STATUS "Building with Leak sanitizer")
append("-fsanitize=leak" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
set(MEMCHECK_TYPE LeakSanitizer)
else()
message(
FATAL_ERROR "Unsupported value of USE_SANITIZER: ${USE_SANITIZER}")
endif()
elseif(MSVC)
if(USE_SANITIZER MATCHES "([Aa]ddress)")
message(STATUS "Building with Address sanitizer")
append("-fsanitize=address" CMAKE_C_SANITIZER_FLAGS CMAKE_CXX_SANITIZER_FLAGS)
else()
message(
FATAL_ERROR
"This sanitizer not yet supported in the MSVC environment: ${USE_SANITIZER}"
)
endif()
else()
message(FATAL_ERROR "USE_SANITIZER is not supported on this platform.")
endif()
endif()
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