src/: Disentangle some pieces of module-parsing preparation.

[sod] / src / builtin.lisp

diff --git a/src/builtin.lisp b/src/builtin.lisp
index 9707578..c7cb148 100644 (file)
--- a/src/builtin.lisp
+++ b/src/builtin.lisp
@@ -545,7 +545,7 @@ static const SodClass *const ~A__cpl[] = {
       (add-to-module module class))))
 
 (export '*builtin-module*)
-(defvar *builtin-module* nil
+(defvar-unbound *builtin-module*
   "The builtin module.")
 
 (export 'make-builtin-module)
@@ -582,6 +582,6 @@ static const SodClass *const ~A__cpl[] = {
     (setf *builtin-module* module)))
 
 (define-clear-the-decks builtin-module
-  (unless *builtin-module* (make-builtin-module)))
+  (unless (boundp '*builtin-module*) (make-builtin-module)))
 
 ;;;----- That's all, folks --------------------------------------------------