blob: 4106221db52a9bc0d295dc9a097d08970cdd3709 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
# Copyright 2018 Google
#
# 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.
# Adds Sanitzer options to the current build.
option(WITH_ASAN "Build with Address Sanitizer" OFF)
# TODO(varconst): msan
# Memory sanitizer is more complicated:
# - it requires all dependencies to be compiled with msan enabled (see
# https://github.com/google/sanitizers/wiki/MemorySanitizerLibcxxHowTo);
# - AppleClang doesn't support it.
option(WITH_TSAN "Build with Thread Sanitizer (mutually exculsive with other sanitizers)" OFF)
option(WITH_UBSAN "Build with Undefined Behavior sanitizer" OFF)
macro(add_to_compile_and_link_flags flag)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${flag}")
endmacro()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(WITH_ASAN)
add_to_compile_and_link_flags("-fsanitize=address")
endif()
if(WITH_TSAN)
if(WITH_ASAN OR WITH_UBSAN)
message(FATAL_ERROR "Cannot combine TSan with other santizers")
endif()
add_to_compile_and_link_flags("-fsanitize=thread")
endif()
if(WITH_UBSAN)
add_to_compile_and_link_flags("-fsanitize=undefined")
endif()
if (WITH_ASAN OR WITH_TSAN OR WITH_UBSAN)
# Recommended to "get nicer stack traces in error messages"
# TODO(varconst): double-check that TSan actually needs this flag (it's
# explicitly recommended in the docs for ASan and UBSan)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer")
endif()
else()
if(WITH_ASAN OR WITH_TSAN OR WITH_UBSAN)
message(FATAL_ERROR "Only Clang and GCC support sanitizers")
endif()
endif()
|
