1 include(CMakePushCheckState)
2 include(CheckCXXCompilerFlag)
4 function(check_flag FLAG DEFAULT)
6 string(MAKE_C_IDENTIFIER CXX${FLAG} FLAG_CONSTANT)
7 check_cxx_compiler_flag(${FLAG} ${FLAG_CONSTANT})
9 add_compile_options(${FLAG})
11 add_compile_options(${DEFAULT})
15 macro(check_sanitizer VAR NAME LIB)
16 message(STATUS "Checking for sanitizer: ${NAME} (-l${LIB})")
17 if(${NAME} IN_LIST ${VAR} OR ${LIB} IN_LIST ${VAR})
18 safe_string(${LIB} ID)
19 cmake_push_check_state(RESET)
20 set(CMAKE_REQUIRED_LIBRARIES ${LIB})
21 check_cxx_compiler_flag(-fsanitize=${NAME} HAVE_${ID})
22 cmake_pop_check_state()
24 add_compile_definitions(HAVE_${ID})
25 add_compile_options(-fsanitize=${NAME})
26 link_libraries(-fsanitize=${NAME})
27 check_flag(-fsanitize-recover=${NAME} IGNORE)
28 message(STATUS " OK: sanitizer ${NAME}")
30 message(STATUS " NO: not supported")
33 message(STATUS " NO: not requested")
38 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
39 add_definitions(-DDEBUG=1)
40 if(CMAKE_CXX_FLAGS MATCHES --coverage)
41 message("-- Coverage build detected!")
42 message("-- Skipping debug and sanitizer flag checks.")
48 -fno-omit-frame-pointer
49 -fno-eliminate-unused-debug-types
50 -funsafe-loop-optimizations
64 -Wunsafe-loop-optimizations
66 check_flag(${FLAG} IGNORE)
70 check_sanitizer(ENABLE_SANITIZERS address asan)
71 check_sanitizer(ENABLE_SANITIZERS undefined ubsan)
72 check_sanitizer(ENABLE_SANITIZERS thread tsan)
73 check_sanitizer(ENABLE_SANITIZERS leak lsan)
77 add_definitions(-DDEBUG=0)