From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Wed, 30 Sep 2020 14:12:27 +0000 (+0200)
Subject: Clarify the "Forgot to expand macro" message
X-Git-Tag: emacs-28.0.90~5811
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=56d6e29d8063552b6a293f67f91ce6967913d928;p=emacs.git

Clarify the "Forgot to expand macro" message

* lisp/emacs-lisp/bytecomp.el (byte-compile-form): Make the
define-after-use warning for macros clearer (bug#43678).
---

diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index 966990bac96..7c95c918009 100644
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -3174,7 +3174,8 @@ for symbols generated by the byte compiler itself."
 				   (t "."))))
         (if (eq (car-safe (symbol-function (car form))) 'macro)
             (byte-compile-report-error
-             (format "Forgot to expand macro %s in %S" (car form) form)))
+             (format "`%s' defined after use in %S (missing `require' of a library file?)"
+                     (car form) form)))
         (if (and handler
                  ;; Make sure that function exists.
                  (and (functionp handler)