From bc8d3db324f26d95384b8876e0d13eb434b2de93 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 17 Oct 2009 09:40:49 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1227
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/kernel/include/mailboxes.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'os/kernel/include/mailboxes.h')

diff --git a/os/kernel/include/mailboxes.h b/os/kernel/include/mailboxes.h
index 9e795590b..959d1ce37 100644
--- a/os/kernel/include/mailboxes.h
+++ b/os/kernel/include/mailboxes.h
@@ -29,6 +29,13 @@
 
 #if CH_USE_MAILBOXES
 
+/*
+ * Module dependancies check.
+ */
+#if !CH_USE_SEMAPHORES
+#error "CH_USE_MAILBOXES requires CH_USE_SEMAPHORES"
+#endif
+
 typedef struct {
   msg_t                 *mb_buffer;     /**< Pointer to the mailbox buffer.*/
   msg_t                 *mb_top;        /**< Pointer to the first location
-- 
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