The Original Linux Fan via Dng <dng@???> writes:
> I'm having trouble getting gcc-doc on my Devuan
> distro.  Any ideas?  This one is slightly older, but
> neither `man gcc` nor `info gcc` works.  I've tried
> `apt install gcc-doc` and using synaptic to retrieve
> any gcc docs, all to no avail.
>
> Ideas would be welcome and greatly appreciated.

Does apt-cache show gcc-doc show package information or a Package not
found error? If it's the latter, you might need to add non-free to your
sources.list entries.