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
25option(SANITIZE_ADDRESS "Enable AddressSanitizer for sanitized targets." Off)
26
27set(FLAG_CANDIDATES
28    # Clang 3.2+ use this version. The no-omit-frame-pointer option is optional.
29    "-g -fsanitize=address -fno-omit-frame-pointer"
30    "-g -fsanitize=address"
31
32    # Older deprecated flag for ASan
33    "-g -faddress-sanitizer"
34)
35
36
37if (SANITIZE_ADDRESS AND (SANITIZE_THREAD OR SANITIZE_MEMORY))
38    message(FATAL_ERROR "AddressSanitizer is not compatible with "
39        "ThreadSanitizer or MemorySanitizer.")
40endif ()
41
42
43include(sanitize-helpers)
44
45if (SANITIZE_ADDRESS)
46    sanitizer_check_compiler_flags("${FLAG_CANDIDATES}" "AddressSanitizer"
47        "ASan")
48
49    find_program(ASan_WRAPPER "asan-wrapper" PATHS ${CMAKE_MODULE_PATH})
50	mark_as_advanced(ASan_WRAPPER)
51endif ()
52
53function (add_sanitize_address TARGET)
54    if (NOT SANITIZE_ADDRESS)
55        return()
56    endif ()
57
58    sanitizer_add_flags(${TARGET} "AddressSanitizer" "ASan")
59endfunction ()
60