diff --git a/config.h.in b/config.h.in
index f14556f2e..2970b2ce7 100644
--- a/config.h.in
+++ b/config.h.in
@@ -593,6 +593,9 @@
 /* Define to 1 if you have the `rint' function. */
 #undef HAVE_RINT
 
+/* Define to 1 if you have the <Rinterface.h> header file. */
+#undef HAVE_RINTERFACE_H
+
 /* Define to 1 if you have the `rl_begin_undo_group' function. */
 #undef HAVE_RL_BEGIN_UNDO_GROUP
 
@@ -971,6 +974,9 @@
 /* Define to the one symbol short name of this package. */
 #undef PACKAGE_TARNAME
 
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION