
cppo 1.6.6 breaks building it with ocaml 4.02, which is still required for some packages. This reverts commit 000f19ff08cfaf6ce89b136ea986fde64f750555.
cppo 1.6.6 breaks building it with ocaml 4.02, which is still required for some packages. This reverts commit 000f19ff08cfaf6ce89b136ea986fde64f750555.