2 function(set_flag FLAG DEFAULT)
4 string(MAKE_C_IDENTIFIER CXX${FLAG} FLAG_CONSTANT)
5 check_cxx_compiler_flag(${FLAG} ${FLAG_CONSTANT})
7 add_compile_options(${FLAG})
9 add_compile_options(${DEFAULT})
13 macro(check_sanitizer VAR NAME LIB)
14 message(STATUS "Checking for sanitizer: ${NAME} (-l${LIB})")
15 if(${NAME} IN_LIST ${VAR} OR ${LIB} IN_LIST ${VAR})
16 make_have_identifier(${LIB} HAVE)
17 cmake_push_check_state(RESET)
18 set(CMAKE_REQUIRED_LIBRARIES -fsanitize=${NAME})
19 check_cxx_compiler_flag(-fsanitize=${NAME} ${HAVE})
20 cmake_pop_check_state()
22 add_compile_definitions(${HAVE})
23 add_compile_options(-fsanitize=${NAME})
24 link_libraries(-fsanitize=${NAME})
25 set_flag(-fsanitize-recover=${NAME} IGNORE)
26 message(STATUS " OK: sanitizer ${NAME}")
28 message(STATUS " NO: not supported")
31 message(STATUS " NO: not requested")
35 if(CMAKE_BUILD_TYPE STREQUAL "Debug" AND NOT MSVC)
36 add_definitions(-DDEBUG=1)
37 if(CMAKE_CXX_FLAGS MATCHES --coverage)
38 message("-- Coverage build detected!")
39 message("-- Skipping debug and sanitizer flag checks.")
45 -fno-omit-frame-pointer
46 -fno-eliminate-unused-debug-types
47 -funsafe-loop-optimizations
61 -Wunsafe-loop-optimizations
63 set_flag(${FLAG} IGNORE)
67 check_sanitizer(ENABLE_SANITIZERS address asan)
68 check_sanitizer(ENABLE_SANITIZERS undefined ubsan)
69 check_sanitizer(ENABLE_SANITIZERS thread tsan)
70 check_sanitizer(ENABLE_SANITIZERS leak lsan)
74 add_definitions(-DDEBUG=0)