bug#59459: 29.0.50; Compilation warnings without tree-sitter

[Yuan Fu]

> On Nov 22, 2022, at 4:21 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> From: Yuan Fu <casouri@gmail.com>
>> Date: Mon, 21 Nov 2022 14:01:14 -0800
>> 
>> [Continuing from bug#59426]
>> 
>> Those warnings are due to no-tree-sitter build not having functions
>> defined in treesit.c. Eli fixed those warnings by adding
>> declare-function’s in every file using those functions. Can we make it a
>> bit nicer for lisp developers? Maybe defining those functions with
>> dummies with something like
>> 
>> (defun xxx
>> (error ’treesit "Tree-sitter not available"))
>> 
>> ?
> 
> I'm not sure this is justified.  The cases where a build lacks a very large
> group of primitives references in *.el files are quite rare in our practice;
> about the only two examples I know of are xwidgets.el and treesit.el (plus
> modes which use tree-sitter).  It's easy enough (albeit annoying) to add a
> few declare-function's, so unless we are going to have more and more of
> these cases, adding a whole new infrastructure, let alone tricks like the
> above, which will raise a lot of brows, sound excessive to me.

If it cannot be easily done with existing tools, then I agree declare-function 
is good enough.

Thanks,
Yuan