>> > I omitted the '-l' option in the cp calls in the patch. >> > >> > 'make doc' succeeded without any errors, so I thought I had success. But >> > it turns out that >> > >> > a) I appear not to have the .css files copied (at least the output >> > showed no css -- just basic white screen), and >> > b) I appear not to have the image files copied (there are no images >> > that show up in any of the pages accessible from >> > www-out/offline-root).
As it turned out, this is another incompatibility: `cp -a` doesn't work on macOS. Please test https://gitlab.com/lilypond/lilypond/-/merge_requests/2254 It should fix all the build problems you've reported. Werner