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-rw-r--r--linux-user/nios2/termbits.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/linux-user/nios2/termbits.h b/linux-user/nios2/termbits.h
index f9f80f0f37..425a2fe6ef 100644
--- a/linux-user/nios2/termbits.h
+++ b/linux-user/nios2/termbits.h
@@ -1,6 +1,9 @@
 /* from asm/termbits.h */
 /* NOTE: exactly the same as i386 */
 
+#ifndef LINUX_USER_NIOS2_TERMBITS_H
+#define LINUX_USER_NIOS2_TERMBITS_H
+
 #define TARGET_NCCS 19
 
 struct target_termios {
@@ -220,3 +223,5 @@ struct target_termios {
 #define TARGET_TIOCPKT_DOSTOP           32
 
 #define TARGET_TIOCSER_TEMT    0x01 /* Transmitter physically empty */
+
+#endif