Function: package--active-built-in-p

package--active-built-in-p is a byte-compiled function defined in package.el.gz.

Signature

(package--active-built-in-p PACKAGE)

Documentation

Return non-nil if the built-in version of PACKAGE is used.

If the built-in version of PACKAGE is used and PACKAGE is also available for installation from an archive, it is an indication that PACKAGE was never upgraded to any newer version from the archive.

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/package.el.gz
(defun package--active-built-in-p (package)
  "Return non-nil if the built-in version of PACKAGE is used.
If the built-in version of PACKAGE is used and PACKAGE is
also available for installation from an archive, it is an
indication that PACKAGE was never upgraded to any newer
version from the archive."
  (and (not (assq (cond
                   ((package-desc-p package)
                    (package-desc-name package))
                   ((stringp package) (intern package))
                   ((symbolp package) package)
                   ((error "Unknown package format: %S" package)))
                  (package--alist)))
       (package-built-in-p package)))