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# The MIT License (MIT)
#
# Copyright (c)
# 2013 Matthew Arsenault
# 2015-2016 RWTH Aachen University, Federal Republic of Germany
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
option(SANITIZE_ADDRESS "Enable AddressSanitizer for sanitized targets." Off)
set(FLAG_CANDIDATES
# Clang 3.2+ use this version. The no-omit-frame-pointer option is optional.
"-g -fsanitize=address -fno-omit-frame-pointer"
"-g -fsanitize=address"
# Older deprecated flag for ASan
"-g -faddress-sanitizer"
)
if (SANITIZE_ADDRESS AND (SANITIZE_THREAD OR SANITIZE_MEMORY))
message(FATAL_ERROR "AddressSanitizer is not compatible with "
"ThreadSanitizer or MemorySanitizer.")
endif ()
include(sanitize-helpers)
if (SANITIZE_ADDRESS)
sanitizer_check_compiler_flags("${FLAG_CANDIDATES}" "AddressSanitizer"
"ASan")
find_program(ASan_WRAPPER "asan-wrapper" PATHS ${CMAKE_MODULE_PATH})
mark_as_advanced(ASan_WRAPPER)
endif ()
function (add_sanitize_address TARGET)
if (NOT SANITIZE_ADDRESS)
return()
endif ()
sanitizer_add_flags(${TARGET} "AddressSanitizer" "ASan")
endfunction ()
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