It's quite  complicated now: cmake WITH_SYSTEMD flag is also used to 
generate systemd units, tarantool-generator and other systemd related files.

I think that support for NOTIFY_SOCKET should not be systemd-related, as 
it's enabled in runtime by envar and is disabled otherwise.

On 19/08/2019 23:18, Konstantin Osipov wrote:
>> -#if defined(WITH_SYSTEMD)
> I don't think you should remove this ifdef at all. Simply enable
> it on Mac OSX by default in cmake if it works there now.
>