Hi Paul, Paul Eggert writes: > Is there any reason for the specific value 226 in configure.ac's > '[libsystemd >= 226]'? Won't this code work with libsystemd 222, say? > That's the version in Fedora 23. There is no specific reason other than 226 is what is installed on my system and what I have tested against. If you are able to test on an earlier version, this number could be reduced. > The code tests whether st_is_socket returns a nonnegative value, but > shouldn't it be testing whether it returns a positive value? Indeed, you're correct, I missed that one. The attached patch should take care of that. Thanks, -- Matt