message: Only build libfuzzer target when that build is enabled
diff: @@ -34,6 +34,7 @@ target_link_libraries(fuzz-transact-log ${PLATFORM_LIBRARIES} test-util realm)
  add_executable(fuzz-group ${TEST_AFL_SOURCES})
  target_link_libraries(fuzz-group ${PLATFORM_LIBRARIES} test-util realm)
  +if(REALM_LIBFUZZER)
  add_executable(realm-libfuzzer ${TEST_LIBFUZZER_SOURCES})
  target_link_libraries(realm-libfuzzer ${PLATFORM_LIBRARIES} test-util realm)
  -
  +endif()
  