ocaml/opam-repository — pull request #2503 by AltGr (2014-08-26 09:54:51+00:00)
Title: Newer ocp-build package incompatible with older typerex

previous ocp-build 1.99.6 was a virtual package relying on
typerex. typerex 1.99.6 needs to be in conflict since they both install
an ocp-build exe.