master 9c011a1: Add undefine keyword to make-mode

[Daniel Colascione]

branch: master
commit 9c011a1083c2a78e2fdfe931988ab53f42323a9c
Author: Daniel Colascione <dancol@dancol.org>
Commit: Daniel Colascione <dancol@dancol.org>

    Add undefine keyword to make-mode
    
    * lisp/progmodes/make-mode.el (makefile-gmake-statements): Add
    "undefine" to the list of gmake keywords
---
 lisp/progmodes/make-mode.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/progmodes/make-mode.el b/lisp/progmodes/make-mode.el
index ec246d6..235279e 100644
--- a/lisp/progmodes/make-mode.el
+++ b/lisp/progmodes/make-mode.el
@@ -316,7 +316,7 @@ not be enclosed in { } or ( )."
 (defconst makefile-gmake-statements
   `("-sinclude" "sinclude"             ; makefile-makepp-statements takes rest
     "ifdef" "ifndef" "ifeq" "ifneq" "-include" "define" "endef" "export"
-    "override define" "override" "unexport" "vpath"
+    "override define" "override" "unexport" "vpath" "undefine"
     ,@(cdr makefile-automake-statements))
   "List of keywords understood by gmake.")