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-rw-r--r--gcc/rust/util/rust-attributes.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/rust/util/rust-attributes.h b/gcc/rust/util/rust-attributes.h
index 806ea78..b3b2806 100644
--- a/gcc/rust/util/rust-attributes.h
+++ b/gcc/rust/util/rust-attributes.h
@@ -15,6 +15,8 @@
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
+#ifndef RUST_ATTRIBUTES_H
+#define RUST_ATTRIBUTES_H
#include "rust-ast.h"
#include "rust-system.h"
@@ -267,3 +269,5 @@ private:
} // namespace Analysis
} // namespace Rust
+
+#endif /* ! RUST_ATTRIBUTES_H */