Fontize more automatic variables in makefile-gmake-mode

* lisp/progmodes/make-mode.el (makefile-gmake-font-lock-keywords):
Fontize the $ in more automatic variables (bug#27842).

diff --git a/lisp/progmodes/make-mode.el b/lisp/progmodes/make-mode.el
index a0e09f51ce35821ee8a1732c951f96a0bda69305..e382d6edcd29db35a6d8cc8a81dd4e32d5255222 100644 (file)
--- a/lisp/progmodes/make-mode.el
+++ b/lisp/progmodes/make-mode.el
@@ -435,6 +435,9 @@ not be enclosed in { } or ( )."
    '("[^$]\\(\\$[({][@%*][DF][})]\\)"
      1 'makefile-targets append)
 
+   ;; Automatic variables.
+   '("[^$]\\(\\$[@%*?+^|]\\)" 1 'makefile-targets append)
+
    ;; $(function ...) ${function ...}
    '("[^$]\\$[({]\\([-a-zA-Z0-9_.]+\\s \\)"
      1 font-lock-function-name-face prepend)