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-rw-r--r--gcc/unwind.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/unwind.h b/gcc/unwind.h
index 35c765ef4ac..64768c0139b 100644
--- a/gcc/unwind.h
+++ b/gcc/unwind.h
@@ -28,6 +28,9 @@
/* This is derived from the C++ ABI for IA-64. Where we diverge
for cross-architecture compatibility are noted with "@@@". */
+#ifndef _UNWIND_H
+#define _UNWIND_H
+
#ifdef __cplusplus
extern "C" {
#endif
@@ -225,3 +228,5 @@ extern void * _Unwind_FindEnclosingFunction (void *pc);
#ifdef __cplusplus
}
#endif
+
+#endif /* unwind.h */