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-rw-r--r--include/ruby/backward/2/assume.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/ruby/backward/2/assume.h b/include/ruby/backward/2/assume.h
index 2be231093b..095a43876d 100644
--- a/include/ruby/backward/2/assume.h
+++ b/include/ruby/backward/2/assume.h
@@ -1,4 +1,6 @@
-/** \noop-*-C++-*-vi:ft=cpp
+#ifndef RUBY_BACKWARD2_ASSUME_H /*-*-C++-*-vi:se ft=cpp:*/
+#define RUBY_BACKWARD2_ASSUME_H
+/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
@@ -37,3 +39,5 @@
# define RB_LIKELY(x) (x)
# define RB_UNLIKELY(x) (x)
#endif
+
+#endif /* RUBY_BACKWARD2_ASSUME_H */