Swipl 8.2.1/8.3.4 - Linux compiling fails

[peter.ludemann]

I’ve had this happen to me from time to time on Ubuntu 18.04. I just added “mkdir -p …/man/archive” to my build steps. At one point @jan Jan noticed this and told me it wasn’t needed. YMMV

Ann: SWI-Prolog 8.1.31

This is pretty dubious. I think it works around some old omission but it may well mess things up now. Fixed these two. Bit odd that I’ve never seen them, also using Ubuntu 18.04 on some of the deployment machines. Anyway, both warnings are harmless. This is rather odd. Building the package docs depends on the prolog_home target which builds the home directory in the binary dir. Just running ninja prolog_home on a freshly configured system does create a home with these files. I’ve bu…