missing file

babo@attila% find /apps/ocaml -name ocamlbuild\*
/apps/ocaml/bin/ocamlbuild
/apps/ocaml/bin/ocamlbuild.byte
/apps/ocaml/lib/ocaml/ocamlbuild
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild.cmo
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_executor.cmi
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_executor.cmo
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_executor.cmx
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_executor.o
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_pack.cmi
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_plugin.cmi
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_unix_plugin.cmi
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_unix_plugin.cmo
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_unix_plugin.cmx
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild_unix_plugin.o
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuildlib.a
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuildlib.cma
/apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuildlib.cmxa
/apps/ocaml/lib/ocaml/site-lib/ocamlbuild
/apps/ocaml/man/man1/ocamlbuild.1
babo@attila% ocamlbuild -use-ocamlfind  src/libZMQB.a src/dllZMQB.so src/ZMQB.cma src/ZMQB.cmxa src/ZMQB.a -tag debug
+ /apps/ocaml/bin/ocamlfind ocamlopt -I /apps/ocaml/lib/ocaml/ocamlbuild unix.cmxa /apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuildlib.cmxa myocamlbuild.ml /apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild.cmx -o myocamlbuild
File "myocamlbuild.ml", line 1, characters 0-1:
Error: Cannot find file /apps/ocaml/lib/ocaml/ocamlbuild/ocamlbuild.cmx
Command exited with code 2.
Compilation unsuccessful after building 1 target (0 cached) in 00:00:00.