macroexp--warn-and-return message tweak (bug#13132)

* lisp/emacs-lisp/macroexp.el (macroexp--warn-and-return):
Try to include filename in non-bytecomp warning.

2 files changed, 9 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 15cdb5cb879..0517a66916f 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-14  Glenn Morris  <rgm@gnu.org>
+
+        * emacs-lisp/macroexp.el (macroexp--warn-and-return):
+        Try to include filename in non-bytecomp warning.  (Bug#13132)
+
 2012-12-14  Paul Eggert  <eggert@cs.ucla.edu>
 
         Fix permissions bugs with setgid directories etc. (Bug#13125)
diff --git a/lisp/emacs-lisp/macroexp.el b/lisp/emacs-lisp/macroexp.el
index 2a3730745c6..7a1a21f505b 100644
--- a/lisp/emacs-lisp/macroexp.el
+++ b/lisp/emacs-lisp/macroexp.el
@@ -124,7 +124,10 @@ and also to avoid outputting the warning during normal execution."
          (macroexp--funcall-if-compiled ',when-compiled)
          ,form))
      (t
-      (message "%s" msg)
+      (message "%s%s" (if (stringp load-file-name)
+                          (concat (file-relative-name load-file-name) ": ")
+                        "")
+               msg)
       form))))
 
 (defun macroexp--obsolete-warning (fun obsolescence-data type)