bug#61155: 29.0.60; build failures tree sitter

[Theodor Thornhill]

On 30 January 2023 14:17:17 CET, Eli Zaretskii <eliz@gnu.org> wrote:
>> Cc: 61155@debbugs.gnu.org
>> Date: Mon, 30 Jan 2023 12:40:40 +0100
>> From:  Theodor Thornhill via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> Can you try this and see if the error goes away?
>> 
>> thanks,
>> Theo
>> 
>> diff --git a/lisp/treesit.el b/lisp/treesit.el
>> index 92833fb007..d7e702bfb8 100644
>> --- a/lisp/treesit.el
>> +++ b/lisp/treesit.el
>> @@ -568,7 +568,7 @@ treesit--font-lock-level-setter
>>                res)
>>        (let ((buffer (car buffers)))
>>          (with-current-buffer buffer
>> -          (if (treesit-parser-list)
>> +          (if (and (treesit-available-p) (treesit-parser-list))
>>                (loop (append res (list buffer)) (cdr buffers))
>>              (loop res (cdr buffers))))))))
>
>I fixed this differently, please see the latest emacs-29 branch: I
>disabled the loop altogether.
>
>Why would we need to loop over buffers if tree-sitter is not
>available?

No need, your fix it fine, i just whipped up something quick in a break here :)

Theo