(c-lang-defvar-init-form-tail): This is actually not a constant.

diff --git a/lisp/progmodes/cc-langs.el b/lisp/progmodes/cc-langs.el
index 663f0d1df84db3b7025f3c7f53731a17b7de32e5..c9fb45d1d8ac201c3d09ec1dca36d6860d32c42d 100644 (file)
--- a/lisp/progmodes/cc-langs.el
+++ b/lisp/progmodes/cc-langs.el
@@ -164,7 +164,8 @@ appended."
   ;; `c-lang-defvar'.  They become a big setq in the
   ;; `c-init-lang-defvars' lambda below.
   (defconst c-lang-defvar-init-form (list 'setq))
-  (defconst c-lang-defvar-init-form-tail c-lang-defvar-init-form)
+  (defvar c-lang-defvar-init-form-tail nil)
+  (setq c-lang-defvar-init-form-tail c-lang-defvar-init-form)
 
   (defmacro c-lang-defvar (var val)
     ;; Declares the buffer local variable VAR to get the value VAL at