Quote from interesting page linked in parent post...<p><i>&quot;...Now to be fair most of this is the result of OpenBSD ports choosing to build and package optional dependencies, including the GUI...&quot;</i><p>I suspect the people who produce and maintain the ports builds are putting all the options in to cover as many use-cases as possible. I&#x27;ve noticed that some OpenBSD ports give alternatives to pick from with different compilation options. I suspect that might be impractical for many choices.<p>Now I&#x27;m wondering if I can build sct.c on the Slackware box and have a play with a bash script setting the colour temp by time of day for current latitude...