include(CMakePushCheckState)
include(CheckCXXCompilerFlag)
+function(check_flag FLAG DEFAULT)
+ unset(FLAG_CONSTANT)
+ string(MAKE_C_IDENTIFIER CXX${FLAG} FLAG_CONSTANT)
+ check_cxx_compiler_flag(${FLAG} ${FLAG_CONSTANT})
+ if(${FLAG_CONSTANT})
+ add_compile_options(${FLAG})
+ elseif(DEFAULT)
+ add_compile_options(${DEFAULT})
+ endif()
+endfunction()
+
+macro(check_sanitizer VAR NAME LIB)
+ message(STATUS "Checking for sanitizer: ${NAME} (-l${LIB})")
+ if(${NAME} IN_LIST ${VAR} OR ${LIB} IN_LIST ${VAR})
+ safe_string(${LIB} ID)
+ cmake_push_check_state(RESET)
+ set(CMAKE_REQUIRED_LIBRARIES ${LIB})
+ check_cxx_compiler_flag(-fsanitize=${NAME} HAVE_${ID})
+ cmake_pop_check_state()
+ if(HAVE_${ID})
+ add_compile_definitions(HAVE_${ID})
+ add_compile_options(-fsanitize=${NAME})
+ link_libraries(-fsanitize=${NAME})
+ check_flag(-fsanitize-recover=${NAME} IGNORE)
+ message(STATUS " OK: sanitizer ${NAME}")
+ else()
+ message(STATUS " NO: not supported")
+ endif()
+ else()
+ message(STATUS " NO: not requested")
+ endif()
+endmacro()
+
function(check_debug)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
- add_compile_options(-O1)
add_definitions(-DDEBUG=1)
- foreach(FLAG IN ITEMS
- -fno-inline
- -fno-omit-frame-pointer
- -fno-eliminate-unused-debug-types
- -funsafe-loop-optimizations
-
- -g3
+ if(CMAKE_CXX_FLAGS MATCHES --coverage)
+ message("-- Coverage build detected!")
+ message("-- Skipping debug and sanitizer flag checks.")
+ else()
+ check_flag(-Og -O0)
+ check_flag(-ggdb -g)
+ foreach(FLAG IN ITEMS
+ -fno-inline
+ -fno-omit-frame-pointer
+ -fno-eliminate-unused-debug-types
+ -funsafe-loop-optimizations
- -Wall
- -Wextra
+ -Wall
+ -Wextra
- -Wdouble-promotion
- -Wduplicated-cond
- -Wduplicated-branches
- -Wformat=2
- -Wlogical-op
- -Wnull-dereference
- -Wrestrict
- -Wshadow
- -Wunknown-pragmas
- -Wunsafe-loop-optimizations
- )
- unset(FLAG_CONSTANT)
- string(MAKE_C_IDENTIFIER CXX${FLAG} FLAG_CONSTANT)
- check_cxx_compiler_flag(${FLAG} ${FLAG_CONSTANT})
- if(${FLAG_CONSTANT})
- add_compile_options(${FLAG})
- endif()
- endforeach()
-
- if(ENABLE_SANITIZERS)
- if(address IN_LIST ENABLE_SANITIZERS OR asan IN_LIST ENABLE_SANITIZERS)
- cmake_push_check_state(RESET)
- set(CMAKE_REQUIRED_LIBRARIES asan)
- check_cxx_compiler_flag(-fsanitize=address HAVE_ASAN)
- cmake_pop_check_state()
- if(HAVE_ASAN)
- add_compile_options(-fsanitize=address)
- add_link_options(-lasan)
- endif()
- endif()
+ -Wdouble-promotion
+ -Wduplicated-cond
+ -Wduplicated-branches
+ -Wformat=2
+ -Wlogical-op
+ -Wnull-dereference
+ -Wrestrict
+ -Wshadow
+ -Wunknown-pragmas
+ -Wunsafe-loop-optimizations
+ )
+ check_flag(${FLAG} IGNORE)
+ endforeach()
- if(undefined IN_LIST ENABLE_SANITIZERS OR ubsan IN_LIST ENABLE_SANITIZERS)
- cmake_push_check_state(RESET)
- set(CMAKE_REQUIRED_LIBRARIES ubsan)
- check_cxx_compiler_flag(-fsanitize=undefined HAVE_UBSAN)
- cmake_pop_check_state()
- if(HAVE_UBSAN)
- add_compile_options(-fsanitize=undefined)
- add_link_options(-lubsan)
- endif()
+ if(ENABLE_SANITIZERS)
+ check_sanitizer(ENABLE_SANITIZERS address asan)
+ check_sanitizer(ENABLE_SANITIZERS undefined ubsan)
+ check_sanitizer(ENABLE_SANITIZERS thread tsan)
+ check_sanitizer(ENABLE_SANITIZERS leak lsan)
endif()
endif()
else()