(makefile-macroassign-regex): Recognize the ?= operator.

From Jonathan Kamens <jik@curl.com>.

2 files changed, 6 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 88df059d55c..f864a939361 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2001-07-30  Eli Zaretskii  <eliz@is.elta.co.il>
+
+        * progmodes/make-mode.el (makefile-macroassign-regex): Recognize
+        the ?= operator.  From Jonathan Kamens <jik@curl.com>.
+
 2001-07-30  Gerd Moellmann  <gerd@gnu.org>
 
         * vc.el (vc-switch-backend): Fix autoload cookie.
diff --git a/lisp/progmodes/make-mode.el b/lisp/progmodes/make-mode.el
index 686aa27fbde..3ce6cdb0195 100644
--- a/lisp/progmodes/make-mode.el
+++ b/lisp/progmodes/make-mode.el
@@ -248,7 +248,7 @@ not be enclosed in { } or ( )."
 ;; that if you change this regexp you might have to fix the imenu
 ;; index in makefile-imenu-generic-expression.
 (defconst makefile-macroassign-regex
-  "^ *\\([^ \n\t][^:#= \t\n]*\\)[ \t]*[*:+]?:?="
+  "^ *\\([^ \n\t][^:#= \t\n]*\\)[ \t]*[*:+]?[:?]?="
   "Regex used to find macro assignment lines in a makefile.")
 
 (defconst makefile-ignored-files-in-pickup-regex