some patching required to remove osflags
https://github.com/yarrick/iodine/commit/cc4bc22447d15deacf44bc1d369621a63c934427.patch Fixes systemd issue.
well, it fixes the part where systemd isn't checked right, but not the part where it shouldn't be checked at all.
With more recent versions of iodine, libsystemd-daemon is no longer the pkg-config name, it's just libsystemd. I'm not sure which version of systemd this change was made in though...
just hit this - remains at https://github.com/yarrick/iodine/blob/dc307b7183f11ca9067bdf4e834134667559493c/src/osflags#L23