(auto-mode-alist): Recognize GNUmakefile.

diff --git a/lisp/files.el b/lisp/files.el
index 5f2a149681ab0339f411829505fad082c1a989a6..4ceab9c5d1d9d9c4d2b53ec47227b0bb606f462d 100644 (file)
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -941,7 +941,7 @@ run `normal-mode' explicitly."
     ("\\.c\\+\\+\\'" . c++-mode)
     ("\\.h\\+\\+\\'" . c++-mode)
     ("\\.mk\\'" . makefile-mode)
-    ("[Mm]akefile\\(.in\\)?\\'" . makefile-mode)
+    ("\\(M\\|m\\|GNUm\\)akefile\\(.in\\)?\\'" . makefile-mode)
 ;;; Less common extensions come here
 ;;; so more common ones above are found faster.
     ("\\.texinfo\\'" . texinfo-mode)