On 2021-08-31, Sébastien Hinderer <Sebastien.Hinderer@xxxxxxxx> wrote: > Many thanks for your prompt and helpful response! > > So in my case, the file in question is called "version.h", so am I thus > correct that the description mechanism will not work and that I better > put the comments, if any, in version.h.in? Yes, if you're not using autoheader you can just manually put comments in the version.h.in template file (these should not be on the same line as the directives which are substituted by configure) and they will be copied into the output version.h. Cheers, Nick