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-rw-r--r--src/emscripten-optimizer/colors.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/emscripten-optimizer/colors.h b/src/emscripten-optimizer/colors.h
index 6e2c6f7d8..c3f48113f 100644
--- a/src/emscripten-optimizer/colors.h
+++ b/src/emscripten-optimizer/colors.h
@@ -14,6 +14,9 @@
* limitations under the License.
*/
+#ifndef wasm_color_h
+#define wasm_color_h
+
#include <unistd.h>
#include <cstdlib>
#include <ostream>
@@ -73,3 +76,5 @@ namespace Colors {
#endif
}
};
+
+#endif // wasm_color_h