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-rw-r--r--gcc/version.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/version.h b/gcc/version.h
index 86a5c28ed52..b7bb57059ef 100644
--- a/gcc/version.h
+++ b/gcc/version.h
@@ -1 +1,4 @@
+#ifndef __GCC_VERSION_H__
+#define __GCC_VERSION_H__
extern const char *const version_string;
+#endif /* __GCC_VERSION_H__ */