Installation on OSX failed (from opam)

[Bruno Deferrari]

Building opass.1.0.0:
  make
  make PREFIX=/Users/bruno/.opam/system install
[ERROR] The compilation of opass.1.0.0 failed.
Removing opass.1.0.0.
  rm -v /Users/bruno/.opam/system/bin/opass


===== ERROR while installing opass.1.0.0 =====
# opam-version 1.1.1
# os           darwin
# command      make
# path         /Users/bruno/.opam/system/build/opass.1.0.0
# compiler     system (4.01.0)
# exit-code    2
# env-file     /Users/bruno/.opam/system/build/opass.1.0.0/opass-40732-e4db2f.env
# stdout-file  /Users/bruno/.opam/system/build/opass.1.0.0/opass-40732-e4db2f.out
# stderr-file  /Users/bruno/.opam/system/build/opass.1.0.0/opass-40732-e4db2f.err
### stdout ###
# ...[truncated]
# ocamlfind ocamlc -thread -I +camlp4 -package core -c entry.mli
# ocamlfind ocamlopt -thread -I +camlp4 -for-pack ueditable -package core  -c \
#   entry.ml
# ocamlfind ocamlc -thread -I +camlp4 -package core -c form.mli
# ocamlfind ocamlopt -thread -I +camlp4 -for-pack ueditable -package core  -c \
#   form.ml
# ocamlfind ocamlc -thread -I +camlp4 -package core -c engine.mli
# ocamlfind ocamlopt -thread -I +camlp4 -for-pack ueditable -package core  -c \
#   engine.ml
# ocamlfind ocamlopt -pack -o editable.cmx entry.cmx form.cmx engine.cmx
### stderr ###
# File "editable.cmx", line 1:
# Error: File entry.cmx
# was not compiled with the `-for-pack Editable' option
# make[3]: *** [editable.cmx] Error 2
# make[2]: *** [editable] Error 2
# make[1]: *** [all_trampoline] Error 2
# make: *** [all] Error 2

[orbitz]

PR'd to opam-repository ocaml/opam-repository#1677