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-rw-r--r--dhcpcd/namespace.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/dhcpcd/namespace.h b/dhcpcd/namespace.h
index 7299c7d0..efff909a 100644
--- a/dhcpcd/namespace.h
+++ b/dhcpcd/namespace.h
@@ -1,3 +1,7 @@
+#include <rtems/thread.h>
+
+extern rtems_recursive_mutex dhcpcd_mutex;
+
#define add_options dhcpcd_add_options
#define arp_announce dhcpcd_arp_announce
#define arp_probe dhcpcd_arp_probe