2021-08-13 21:48:50 +00:00
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# The MIT License (MIT)
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#
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# Copyright (c)
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# 2013 Matthew Arsenault
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# 2015-2016 RWTH Aachen University, Federal Republic of Germany
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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2021-08-16 19:01:55 +00:00
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#
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# SPDX-License-Identifier: MIT
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2021-08-13 21:48:50 +00:00
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# If any of the used compiler is a GNU compiler, add a second option to static
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# link against the sanitizers.
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option(SANITIZE_LINK_STATIC "Try to link static against sanitizers." Off)
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set(FIND_QUIETLY_FLAG "")
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if (DEFINED Sanitizers_FIND_QUIETLY)
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set(FIND_QUIETLY_FLAG "QUIET")
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endif ()
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find_package(ASan ${FIND_QUIETLY_FLAG})
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find_package(TSan ${FIND_QUIETLY_FLAG})
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find_package(MSan ${FIND_QUIETLY_FLAG})
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find_package(UBSan ${FIND_QUIETLY_FLAG})
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function(sanitizer_add_blacklist_file FILE)
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if(NOT IS_ABSOLUTE ${FILE})
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set(FILE "${CMAKE_CURRENT_SOURCE_DIR}/${FILE}")
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endif()
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get_filename_component(FILE "${FILE}" REALPATH)
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sanitizer_check_compiler_flags("-fsanitize-blacklist=${FILE}"
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"SanitizerBlacklist" "SanBlist")
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endfunction()
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function(add_sanitizers ...)
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# If no sanitizer is enabled, return immediately.
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if (NOT (SANITIZE_ADDRESS OR SANITIZE_MEMORY OR SANITIZE_THREAD OR
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SANITIZE_UNDEFINED))
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return()
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endif ()
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foreach (TARGET ${ARGV})
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# Check if this target will be compiled by exactly one compiler. Other-
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# wise sanitizers can't be used and a warning should be printed once.
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get_target_property(TARGET_TYPE ${TARGET} TYPE)
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if (TARGET_TYPE STREQUAL "INTERFACE_LIBRARY")
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message(WARNING "Can't use any sanitizers for target ${TARGET}, "
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"because it is an interface library and cannot be "
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"compiled directly.")
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return()
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endif ()
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sanitizer_target_compilers(${TARGET} TARGET_COMPILER)
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list(LENGTH TARGET_COMPILER NUM_COMPILERS)
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if (NUM_COMPILERS GREATER 1)
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message(WARNING "Can't use any sanitizers for target ${TARGET}, "
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"because it will be compiled by incompatible compilers. "
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"Target will be compiled without sanitizers.")
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return()
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# If the target is compiled by no or no known compiler, give a warning.
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elseif (NUM_COMPILERS EQUAL 0)
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message(WARNING "Sanitizers for target ${TARGET} may not be"
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" usable, because it uses no or an unknown compiler. "
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"This is a false warning for targets using only "
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"object lib(s) as input.")
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endif ()
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# Add sanitizers for target.
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add_sanitize_address(${TARGET})
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add_sanitize_thread(${TARGET})
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add_sanitize_memory(${TARGET})
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add_sanitize_undefined(${TARGET})
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endforeach ()
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endfunction(add_sanitizers)
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