dyntype compilation problem

console

mk270@marsilio ~> opam install dyntype
Install: dyntype.0.8.2
[dyntype.0.8.2] Build commands:
  make
  make install
[21570] WARNING: Command "make" failed (see /home/mk270/.opam/log/command960.{info,err,out})
ocamlbuild dyntype.cmxa dyntype.cma
/usr/local/bin/ocamlopt.opt -I /usr/local/lib/ocaml/ocamlbuild unix.cmxa /usr/local/lib/ocaml/ocamlbuild/ocamlbuildlib.cmxa myocamlbuild.ml /usr/local/lib/ocaml/ocamlbuild/ocamlbuild.cmx -o myocamlbuild
ocamlfind ocamldep -package type_conv -modules lib/type.mli > lib/type.mli.depends
ocamlfind ocamlc -c -package type_conv -I lib -I pa_lib -I lib_test -o lib/type.cmi lib/type.mli
ocamlfind ocamldep -package type_conv -modules lib/type.ml > lib/type.ml.depends
ocamlfind ocamldep -package type_conv -modules lib/value.mli > lib/value.mli.depends
ocamlfind ocamlc -c -package type_conv -I lib -I pa_lib -I lib_test -o lib/value.cmi lib/value.mli
ocamlfind ocamldep -package type_conv -modules lib/value.ml > lib/value.ml.depends
ocamlfind ocamlc -c -package type_conv -I lib -I pa_lib -I lib_test -o lib/type.cmo lib/type.ml
ocamlfind ocamlc -c -package type_conv -I lib -I pa_lib -I lib_test -o lib/value.cmo lib/value.ml
ocamlfind ocamlc -pack lib/type.cmo lib/value.cmo -o lib/dyntype.cmo
ocamlfind ocamlopt -c -package type_conv -for-pack Dyntype -I lib -I pa_lib -I lib_test -o lib/type.cmx lib/type.ml
ocamlfind ocamlopt -c -package type_conv -for-pack Dyntype -I lib -I pa_lib -I lib_test -o lib/value.cmx lib/value.ml
touch lib/dyntype.mli  ; if  ocamlfind ocamlopt -pack -for-pack Dyntype -I lib lib/type.cmx lib/value.cmx -o lib/dyntype.cmx  ; then  rm -f lib/dyntype.mli  ; else  rm -f lib/dyntype.mli  ; exit 1; fi
+ touch lib/dyntype.mli  ; if  ocamlfind ocamlopt -pack -for-pack Dyntype -I lib lib/type.cmx lib/value.cmx -o lib/dyntype.cmx  ; then  rm -f lib/dyntype.mli  ; else  rm -f lib/dyntype.mli  ; exit 1; fi
File "lib/dyntype.cmx", line 1:
Error: File lib/type.cmx
was not compiled with the `-for-pack Dyntype.Dyntype' option
Command exited with code 1.
make: *** [all] Error 10
[21570] ERROR: Compilation failed with error 2
[21570] ERROR: Globals.Exit(66)
[21566] ERROR: Command failed while installing dyntype.0.8.2
  'opam install dyntype' failed