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-rw-r--r--include/ruby/3/attr/error.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/ruby/3/attr/error.h b/include/ruby/3/attr/error.h
index ec9383aace..ee5e3290ae 100644
--- a/include/ruby/3/attr/error.h
+++ b/include/ruby/3/attr/error.h
@@ -1,4 +1,6 @@
-/** \noop-*-C++-*-vi:ft=cpp
+#ifndef RUBY3_ATTR_ERROR_H /*-*-C++-*-vi:se ft=cpp:*/
+#define RUBY3_ATTR_ERROR_H
+/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
@@ -20,12 +22,10 @@
*/
/** Wraps (or simulates) `__attribute__((error))` */
-#if defined(RUBY3_ATTR_ERROR)
-# /* Take that. */
-
-#elif RUBY3_HAS_ATTRIBUTE(error)
+#if RUBY3_HAS_ATTRIBUTE(error)
# define RUBY3_ATTR_ERROR(msg) __attribute__((__error__ msg))
-
#else
# define RUBY3_ATTR_ERROR(msg) /* void */
#endif
+
+#endif /* RUBY3_ATTR_ERROR_H */