diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 10f31e7f72..497f239675 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -616,6 +616,18 @@ if(ENABLE_ASAN) endif() endif() +if(ENABLE_UBSAN) + set(CMAKE_REQUIRED_LIBRARIES "-fsanitize=undefined") + check_c_compiler_flag(-fsanitize=undefined C__fsanitize_undefined_VALID) + check_cxx_compiler_flag(-fsanitize=undefined CXX__fsanitize_undefined_VALID) + set(CMAKE_REQUIRED_LIBRARIES "") + if(NOT C__fsanitize_undefined_VALID OR NOT CXX__fsanitize_undefined_VALID) + message(FATAL_ERROR "ENABLE_UBSAN was requested, but not supported!") + endif() + set(CMAKE_C_FLAGS "-fsanitize=undefined ${CMAKE_C_FLAGS}") + set(CMAKE_CXX_FLAGS "-fsanitize=undefined ${CMAKE_CXX_FLAGS}") +endif() + set(WERROR_COMMON_FLAGS "") set(NO_ERROR_DEPRECATED_DECLARATIONS_COMPILE_FLAGS "") if(NOT DISABLE_WERROR AND NOT ENABLE_EXTRA_COMPILER_WARNINGS) |