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-rw-r--r--os/common/oslib/include/chfifo.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/os/common/oslib/include/chfifo.h b/os/common/oslib/include/chfifo.h
index 17972392e..11ca3631d 100644
--- a/os/common/oslib/include/chfifo.h
+++ b/os/common/oslib/include/chfifo.h
@@ -70,6 +70,10 @@
#error "CH_CFG_USE_OBJ_FIFOS requires CH_CFG_USE_SEMAPHORES"
#endif
+#if CH_CFG_USE_MAILBOXES == FALSE
+#error "CH_CFG_USE_OBJ_FIFOS requires CH_CFG_USE_MAILBOXES"
+#endif
+
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/