/usr/arm-linux-gnueabihf/libsf/libgdruntime.so.68 is in libsfgphobos68-armhf-cross 6.4.0-17ubuntu1cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/arm-linux-gnueabihf/libsf/libgdruntime.so.68.0.2