Make two compat aliases obsolete in cc-defs.el

* lisp/progmodes/cc-defs.el (c-regexp-opt, c-regexp-opt-depth):
Make compat alias obsolete.

diff --git a/lisp/progmodes/cc-defs.el b/lisp/progmodes/cc-defs.el
index 48ae4368a7c46ac7ae89c4a3f496d3bded920953..f867625480c4121dd99a814b588a5b9ed816dd49 100644 (file)
--- a/lisp/progmodes/cc-defs.el
+++ b/lisp/progmodes/cc-defs.el
@@ -2071,8 +2071,8 @@ non-nil, a caret is prepended to invert the set."
     str))
 
 ;; Leftovers from (X)Emacs 19 compatibility.
-(defalias 'c-regexp-opt 'regexp-opt)
-(defalias 'c-regexp-opt-depth 'regexp-opt-depth)
+(define-obsolete-function-alias 'c-regexp-opt #'regexp-opt "29.1")
+(define-obsolete-function-alias 'c-regexp-opt-depth #'regexp-opt-depth "29.1")
 
 \f
 ;; Figure out what features this Emacs has