Dmitry Gutov <dmitry@gutov.dev> writes:

> Hi Spencer,
>
> Thanks a lot.
>
> On 22/05/2024 15:28, Spencer Baugh wrote:
>> --- a/lisp/progmodes/project.el
>> +++ b/lisp/progmodes/project.el
>> @@ -295,7 +295,7 @@ project-name
>>   Nominally unique, but not enforced."
>>     (file-name-nondirectory (directory-file-name (project-root project))))
>>   -(cl-defgeneric project-ignores (_project _dir)
>> +(cl-defgeneric project-ignores (_project dir)
>>     "Return the list of glob patterns to ignore inside DIR.
>>   Patterns can match both regular files and directories.
>>   To root an entry, start it with `./'.  To match directories only,
>> @@ -304,13 +304,13 @@ project-ignores
>>     ;; TODO: Document and support regexp ignores as used by Hg.
>>     ;; TODO: Support whitelist entries.
>>     (require 'grep)
>> -  (defvar grep-find-ignored-files)
>> +  (declare-function grep-find-ignored-files "grep" (dir))
>>     (nconc
>>      (mapcar
>>       (lambda (dir)
>>         (concat dir "/"))
>>       vc-directory-exclusion-list)
>> -   grep-find-ignored-files))
>> +   (grep-find-ignored-files dir)))
>
> There is just one problem that project.el is supposed to be usable in
> Emacs 26+.
>
> I suppose that a little fboundp check will get us around the problem.

Fixed: