=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Building for ocaml-duff-0.2
File "lib/duff.ml", line 40, characters 15-25:
40 |           then 2147483647 + (2147483648 + (to_int x))
                    ^^^^^^^^^^
Error: Integer literal exceeds the range of representable integers of type int
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/devel/ocaml-duff
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/devel/ocaml-duff