Issues seem(?) to only trigger when gcc13 is combined with musl.
https://bugs.gentoo.org/906363
--- a/thirdparty/vhacd/inc/vhacdManifoldMesh.h+++ b/thirdparty/vhacd/inc/vhacdManifoldMesh.h@@ -17,2 +17,3 @@#define VHACD_MANIFOLD_MESH_H
+#include <cstdint>#include "vhacdCircularList.h"