Differential D10895 Diff 28201 cmake/modules/FindUBSan.cmake

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cmake/modules/FindUBSan.cmake

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		1		# The MIT License (MIT)
		2		#
		3		# Copyright (c)
		4		# 2013 Matthew Arsenault
		5		# 2015-2016 RWTH Aachen University, Federal Republic of Germany
		6		#
		7		# Permission is hereby granted, free of charge, to any person obtaining a copy
		8		# of this software and associated documentation files (the "Software"), to deal
		9		# in the Software without restriction, including without limitation the rights
		10		# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
		11		# copies of the Software, and to permit persons to whom the Software is
		12		# furnished to do so, subject to the following conditions:
		13		#
		14		# The above copyright notice and this permission notice shall be included in all
		15		# copies or substantial portions of the Software.
		16		#
		17		# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		18		# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		19		# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
		20		# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
		21		# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
		22		# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
		23		# SOFTWARE.
		24
		25		option(SANITIZE_UNDEFINED
		26		"Enable UndefinedBehaviorSanitizer for sanitized targets." Off)
		27
		28		set(FLAG_CANDIDATES
		29		"-g -fsanitize=undefined"
		30		)
		31
		32
		33		include(sanitize-helpers)
		34
		35		if (SANITIZE_UNDEFINED)
		36		sanitizer_check_compiler_flags("${FLAG_CANDIDATES}"
		37		"UndefinedBehaviorSanitizer" "UBSan")
		38		endif ()
		39
		40		function (add_sanitize_undefined TARGET)
		41		if (NOT SANITIZE_UNDEFINED)
		42		return()
		43		endif ()
		44
		45		sanitizer_add_flags(${TARGET} "UndefinedBehaviorSanitizer" "UBSan")
		46		endfunction ()