diff --git a/cmake/compiler.cmake b/cmake/compiler.cmake index 9b8c317e0cbb1bba7f69c6eca1f2e3a1bda699cf..c43ca41d25b469caf0a31cd17bb329f0bd1c29b7 100644 --- a/cmake/compiler.cmake +++ b/cmake/compiler.cmake @@ -234,8 +234,11 @@ macro(enable_tnt_compile_flags) endif() if (ENABLE_UB_SANITIZER) - if (NOT CMAKE_COMPILER_IS_CLANG) - message(FATAL_ERROR "Undefined behaviour sanitizer only available for clang") + # UndefinedBehaviourSanitizer has been added to GCC since + # version 4.9.0, see https://gcc.gnu.org/gcc-4.9/changes.html. + if(CMAKE_COMPILER_IS_GNUCC AND + CMAKE_C_COMPILER_VERSION VERSION_LESS 4.9.0) + message(FATAL_ERROR "UndefinedBehaviourSanitizer is unsupported in GCC ${CMAKE_C_COMPILER_VERSION}") endif() # Use all needed checks from the UndefinedBehaviorSanitizer # documentation: @@ -255,9 +258,16 @@ macro(enable_tnt_compile_flags) # "UBSan: check nonnull-attribute is globally suppressed", # https://github.com/tarantool/tarantool/issues/10740 nonnull-attribute - # Not interested in function type mismatch errors. - function ) + # GCC has no "function" UB check. See details here: + # https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html#index-fsanitize_003dundefined + if(NOT CMAKE_C_COMPILER_ID STREQUAL "GNU") + string(JOIN "," UBSAN_IGNORE_OPTIONS + ${UBSAN_IGNORE_OPTIONS} + # Not interested in function type mismatch errors. + function + ) + endif() # XXX: To get nicer stack traces in error messages. set(SANITIZE_FLAGS "${SANITIZE_FLAGS} -fno-omit-frame-pointer") # Enable UndefinedBehaviorSanitizer support.