message: Header guards
diff: #pragma once
  +#ifndef VSNRAY_DETAIL_BVH_BUILD_H
  +#define VSNRAY_DETAIL_BVH_BUILD_H 1
  +
  #include <cstddef>
  #include "../compiler.h"
  @@ -48,5 +51,6 @@ Tree VSNRAY_DEPRECATED build(P* primitives, size_t num_prims, bool enable_spatia
  );
  }
  -
  } // visionaray
  +
  +#endif // VSNRAY_DETAIL_BVH_BUILD_H
  