Use a simple struct to implement compile time checks for the Lisp_Object type

[bpt/emacs.git] / configure.in

diff --git a/configure.in b/configure.in
index 6c5ba7a..bc78cd4 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -309,13 +309,13 @@ if test x$ac_gc_check_cons_list != x ; then
 [Define this to check for errors in cons list.])
 fi
 
-AC_ARG_ENABLE(use-lisp-union-type,
-[AS_HELP_STRING([--enable-use-lisp-union-type],
-                [use a union for the Lisp_Object data type.
-               This is only useful for development for catching certain types of bugs.])],
+AC_ARG_ENABLE(check-lisp-object-type,
+[AS_HELP_STRING([--enable-check-lisp-object-type],
+                [enable compile time checks for the Lisp_Object data type.
+               This is useful for development for catching certain types of bugs.])],
 if test "${enableval}" != "no"; then
-   AC_DEFINE(USE_LISP_UNION_TYPE, 1,
-   [Define this to use a lisp union for the Lisp_Object data type.])
+   AC_DEFINE(CHECK_LISP_OBJECT_TYPE, 1,
+   [Define this to enable compile time checks for the Lisp_Object data type.])
 fi)