diff --git a/avl/avl.c b/avl/avl.c
index 1a8ed63..a82bb6e 100644
--- a/avl/avl.c
+++ b/avl/avl.c
@@ -22,13 +22,17 @@
  *
  */
 
-/* $Id: avl.c,v 1.2 2003/03/06 00:59:41 brendan Exp $ */
+/* $Id: avl.c,v 1.3 2003/03/08 16:05:38 karl Exp $ */
 
 /*
  * This is a fairly straightfoward translation of a prototype
  * written in python, 'avl_tree.py'. Read that file first.
  */
 
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 
diff --git a/httpp/httpp.c b/httpp/httpp.c
index 49869ae..629710d 100644
--- a/httpp/httpp.c
+++ b/httpp/httpp.c
@@ -3,6 +3,10 @@
 ** http parsing engine
 */
 
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
 #include <stdio.h>
 
 #include <stdlib.h>
diff --git a/net/resolver.c b/net/resolver.c
index 95d2c94..e3ab671 100644
--- a/net/resolver.c
+++ b/net/resolver.c
@@ -4,6 +4,9 @@
 ** name resolver library
 **
 */
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
 
 #include <stdio.h>
 #include <sys/types.h>
diff --git a/net/sock.c b/net/sock.c
index d5a8f51..07d4e2b 100644
--- a/net/sock.c
+++ b/net/sock.c
@@ -19,6 +19,10 @@
  *
  */
 
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
diff --git a/thread/thread.c b/thread/thread.c
index 21b7e5b..4cd2869 100644
--- a/thread/thread.c
+++ b/thread/thread.c
@@ -18,6 +18,10 @@
 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/timing/timing.c b/timing/timing.c
index c1299e2..ae2e7e0 100644
--- a/timing/timing.c
+++ b/timing/timing.c
@@ -2,6 +2,10 @@
 ** - Timing functions
 */
 
+#ifdef HAVE_CONFIG_H
+ #include <config.h>
+#endif
+
 #include <stdlib.h>
 #include <sys/types.h>
 #ifdef HAVE_STDINT_H