cmake HAS_FUZZ_FLAGS examples

halide/Halide test/CMakeLists.txt :80

check_cxx_source_compiles([[
#include <cstdint>
#include <cstddef>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, std::size_t Size) {
  return 0;
}
]] HAS_FUZZ_FLAGS)