53 lines
2.6 KiB
CMake
53 lines
2.6 KiB
CMake
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# This file belongs Nick Overdijk, and is from https://github.com/NickNick/wubwubcmake
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# The MIT License (MIT)
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#
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# Copyright (c) 2013 Nick Overdijk
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy of
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# this software and associated documentation files (the "Software"), to deal in
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# the Software without restriction, including without limitation the rights to
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# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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# the Software, and to permit persons to whom the Software is furnished to do so,
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# 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, FITNESS
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# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.option(USE_ASAN "Enable Address Sanitizer, if your compiler supports it" ON)
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option(USE_ASAN "Enable Address Sanitizer, if your compiler supports it" OFF)
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if(USE_ASAN)
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include(CheckCXXSourceCompiles)
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# If the compiler understands -fsanitize=address, add it to the flags (gcc since 4.8 & clang since version 3.2)
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set(CMAKE_REQUIRED_FLAGS_BAK "${CMAKE_REQUIRED_FLAGS}")
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -fsanitize=address")
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CHECK_CXX_SOURCE_COMPILES("int main() { return 0; }" FLAG_FSANA_SUPPORTED)
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS_BAK}")
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if(FLAG_FSANA_SUPPORTED)
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set(asan_flag "-fsanitize=address")
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else(FLAG_FSANA_SUPPORTED)
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# Alternatively, try if it understands -faddress-sanitizer (clang until version 3.2)
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -faddress-sanitizer")
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CHECK_CXX_SOURCE_COMPILES("int main() { return 0; }" FLAG_FASAN_SUPPORTED)
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS_BAK}")
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if(FLAG_FASAN_SUPPORTED)
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set(asan_flag "-faddress-sanitizer")
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endif(FLAG_FASAN_SUPPORTED)
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endif(FLAG_FSANA_SUPPORTED)
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if(FLAG_FSANA_SUPPORTED OR FLAG_FASAN_SUPPORTED)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${asan_flag}")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${asan_flag}")
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set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${asan_flag}")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${asan_flag}")
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endif()
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endif(USE_ASAN)
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