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-rw-r--r--src/s2wasm.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/s2wasm.h b/src/s2wasm.h
index 81531ab3c..7c42a81b0 100644
--- a/src/s2wasm.h
+++ b/src/s2wasm.h
@@ -18,6 +18,9 @@
// .s to WebAssembly translator.
//
+#ifndef wasm_s2wasm_h
+#define wasm_s2wasm_h
+
#include "wasm.h"
#include "parsing.h"
#include "asm_v_wasm.h"
@@ -1048,3 +1051,5 @@ public:
};
} // namespace wasm
+
+#endif // wasm_s2wasm_h