Re: Error with make doc

[Werner LEMBERG]

>> > 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