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-rw-r--r--src/command-line.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/command-line.h b/src/command-line.h
index 28a1aa5b8..63cf09d9f 100644
--- a/src/command-line.h
+++ b/src/command-line.h
@@ -18,6 +18,9 @@
// Command line helpers.
//
+#ifndef wasm_command_line_h
+#define wasm_command_line_h
+
#include "wasm.h"
namespace wasm {
@@ -71,3 +74,5 @@ void processCommandLine(int argc, const char *argv[], Options *options) {
}
} // namespace wasm
+
+#endif // wasm_command_line_h