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- #
- # The MIT License (MIT)
- #
- # Copyright (c) 2013 Matthew Arsenault
- #
- # 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.
- #
-
- include(CheckCCompilerFlag)
-
- # Set -Werror to catch "argument unused during compilation" warnings
- set(CMAKE_REQUIRED_FLAGS "-Werror -faddress-sanitizer") # Also needs to be a link flag for test to pass
- check_c_compiler_flag("-faddress-sanitizer" HAVE_FLAG_ADDRESS_SANITIZER)
-
- set(CMAKE_REQUIRED_FLAGS "-Werror -fsanitize=address") # Also needs to be a link flag for test to pass
- check_c_compiler_flag("-fsanitize=address" HAVE_FLAG_SANITIZE_ADDRESS)
-
- unset(CMAKE_REQUIRED_FLAGS)
-
- if(HAVE_FLAG_SANITIZE_ADDRESS)
- # Clang 3.2+ use this version
- set(ADDRESS_SANITIZER_FLAG "-fsanitize=address")
- elseif(HAVE_FLAG_ADDRESS_SANITIZER)
- # Older deprecated flag for ASan
- set(ADDRESS_SANITIZER_FLAG "-faddress-sanitizer")
- endif()
-
- if(NOT ADDRESS_SANITIZER_FLAG)
- return()
- endif()
-
- set(CMAKE_C_FLAGS_ASAN "-O1 -g ${ADDRESS_SANITIZER_FLAG} -fno-omit-frame-pointer -fno-optimize-sibling-calls"
- CACHE STRING "Flags used by the C compiler during ASan builds."
- FORCE)
- set(CMAKE_CXX_FLAGS_ASAN "-O1 -g ${ADDRESS_SANITIZER_FLAG} -fno-omit-frame-pointer -fno-optimize-sibling-calls"
- CACHE STRING "Flags used by the C++ compiler during ASan builds."
- FORCE)
- set(CMAKE_EXE_LINKER_FLAGS_ASAN "${ADDRESS_SANITIZER_FLAG}"
- CACHE STRING "Flags used for linking binaries during ASan builds."
- FORCE)
- set(CMAKE_SHARED_LINKER_FLAGS_ASAN "${ADDRESS_SANITIZER_FLAG}"
- CACHE STRING "Flags used by the shared libraries linker during ASan builds."
- FORCE)
- mark_as_advanced(CMAKE_C_FLAGS_ASAN
- CMAKE_CXX_FLAGS_ASAN
- CMAKE_EXE_LINKER_FLAGS_ASAN
- CMAKE_SHARED_LINKER_FLAGS_ASAN)
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