The stub containing the warning is redundant: If it is linked in, then the target depending on it will also pick up the -fsanitize=fuzzer flag and thus link in libFuzzer.
On macOS, where weak symbols are treated differently by default, the stub can lead to libFuzzer not being linked at all.
The stub containing the warning is redundant: If it is linked in, then the target depending on it will also pick up the
-fsanitize=fuzzer
flag and thus link in libFuzzer.On macOS, where weak symbols are treated differently by default, the stub can lead to libFuzzer not being linked at all.