cmake/FuzzTestFlagSetup.cmake

macro(fuzztest_setup_fuzzing_flags)
  if (FUZZTEST_FUZZING_MODE OR (FUZZTEST_COMPATIBILITY_MODE STREQUAL "libfuzzer"))
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -UNDEBUG -fsanitize=address")
    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -UNDEBUG -fsanitize=address")
    SET(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -fsanitize=address")
  endif ()
  if (FUZZTEST_COMPATIBILITY_MODE STREQUAL "libfuzzer")
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer-no-link -DFUZZTEST_COMPATIBILITY_MODE")
    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=fuzzer-no-link -DFUZZTEST_COMPATIBILITY_MODE")
  endif ()
  if (FUZZTEST_FUZZING_MODE OR (FUZZTEST_COMPATIBILITY_MODE STREQUAL "libfuzzer"))
    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize-coverage=inline-8bit-counters -fsanitize-coverage=trace-cmp -fsanitize=address -DADDRESS_SANITIZER")
    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize-coverage=inline-8bit-counters -fsanitize-coverage=trace-cmp -fsanitize=address -DADDRESS_SANITIZER")
  endif ()
endmacro ()