> Anyway you could fix this by providing a patch file in the patches
> subdirectory of such a pkg.

Hmm, I have totally forgot this. :-P

But I prefer to script in terms of maintainability.

> I'd prefer the former but then I bet you'll need a newer makeinfo
> command. See section 10.24 of a recent pkgsrc/Packages.txt.

Okay, I'll look at it.

> Perhaps Emacs' makefile use the elisp included makeinfo "compiler" though...

No, they uses makeinfo command.

Regards,
Masao