On Wed, Feb 12, 2020 at 11:53:09AM -0600, Tom Browder wrote: > https://github.com/OpenSMTPD/OpenSMTPD > > I would like to install from source but I wonder if that is such a > smart move, especially when we now use systemd and the source is set > up with the traditional GNU automake system and I don't see any > provision for systemd. I don't grok systemd very well and usually > rely on others for the proper setup. > > I have asked for help on the OpenSMTPD mailing list, but I suggested > my first effort would be to use the systemd setup used by the Debian > installation (with appropriate renaming). I haven't received an answer > yet.
Well, you have two main issues. First, you'll want to make sure *other* packages know that you have a mail-transport-agent installed. The Debian answer to this is a package called "equivs" which lets you build dummy packages that tell the package manager that you have various things, so it doesn't freak out. I believe equivs even comes with a sample control file that builds a package that "provides:" mail-transport-agent. Mine's named mta-local. Second, you'll need a way to start up your service after building and installing it. I don't know OpenSMTPD, and I don't know what its Debian systemd unit file looks like. If you intend to build and install the upstream version in a way that looks just like the Debian package does, then you might consider copying the Debian systemd unit file, changing its ExecStart= line(s) to point to your daemon, and dropping it in /etc/systemd/system/. On the other hand, if the Debian package does a lot of crazy crap that you do not intend to duplicate, you might find it easier to write a systemd unit file from scratch.
