diff --git a/acconfig.h b/acconfig.h
new file mode 100644
index 0000000000..c316b2ae8c
--- /dev/null
+++ b/acconfig.h
@@ -0,0 +1,3 @@
+#undef HAVE_POPT
+#undef HAVE_OPENSSL
+
diff --git a/orconfig.h.in b/orconfig.h.in
index d712ec37bc..501747d8f3 100644
--- a/orconfig.h.in
+++ b/orconfig.h.in
@@ -1,4 +1,7 @@
-/* orconfig.h.in.  Generated from configure.ac by autoheader.  */
+/* orconfig.h.in.  Generated from configure.in by autoheader.  */
+#undef HAVE_POPT
+#undef HAVE_OPENSSL
+
 
 /* Define if OpenSSL was found. */
 #undef HAVE_OPENSSL