From bd8a4451da1483f2eca8344fcd8d8bbdc5b33bc4 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Thu, 19 Mar 2009 00:22:41 +0000
Subject: [PATCH] Add configuration checking

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1630 42af7a65-404d-4744-a932-0658087f49c3
---
 examples/dhcpd/target.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/examples/dhcpd/target.c b/examples/dhcpd/target.c
index 6977bf46a3..7e2104dd7b 100644
--- a/examples/dhcpd/target.c
+++ b/examples/dhcpd/target.c
@@ -45,6 +45,40 @@
 #include <net/uip/uip-lib.h>
 #include <net/uip/dhcpd.h>
 
+/****************************************************************************
+ * Preprocessor Definitions
+ ****************************************************************************/
+
+/* Configuation Checkes *****************************************************/
+/* BEWARE:
+ * There are other configuration settings needed in netutitls/dhcpd/dhcpdc.s,
+ * but there are default values for those so we cannot check them here.
+ */
+
+#ifndef CONFIG_EXAMPLE_DHCPD_IPADDR
+#  error "You must define CONFIG_EXAMPLE_DHCPD_IPADDR"
+#endif
+
+#ifndef CONFIG_EXAMPLE_DHCPD_DRIPADDR
+#  error "You must define "
+#endif
+
+#ifndef CONFIG_EXAMPLE_DHCPD_NETMASK
+#  error "You must define CONFIG_EXAMPLE_DHCPD_NETMASK"
+#endif
+
+#ifndef CONFIG_NET
+#  error "You must define CONFIG_NET"
+#endif
+
+#ifndef CONFIG_NET_UDP
+#  error "You must define CONFIG_NET_UDP"
+#endif
+
+#ifndef CONFIG_NET_BROADCAST
+#  error "You must define CONFIG_NET_BROADCAST"
+#endif
+
 /****************************************************************************
  * Private Data
  ****************************************************************************/