structuredAttrs is enabled trying https://github.com/SanderMertens/flecs/archive/v4.0.2.tar.gz % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 6.16M 0 6.16M 0 0 4.27M 0 00:01 6.15M 100 18.98M 0 18.98M 0 0 9.41M 0 00:02 6.15M 100 18.98M 0 18.98M 0 0 9.41M 0 00:02 6.15M 100 18.98M 0 18.98M 0 0 9.41M 0 00:02 6.15M unpacking source archive /build/download.tar.gz