installation ocp-indent #fail

[Rublood]

Hi so i need your help i show this error when i want install ocp-indent
i want to schear but i find any answer

### stderr ###
# RULE 138 (state active)
# [...]
# 		SOURCE ./_obuild/ocp-pp/ocpp.cmi(not available)
# 		SOURCE ./_obuild/ocp-pp/ocpp.cmx(not available)
# 		SOURCE ./_obuild/ocp-pp/ocpp.o(not available)
# 		SOURCE ./_obuild/ocp-pp/main.cmi(not available)
# 		SOURCE ./_obuild/ocp-pp/main.cmx(not available)
# 		SOURCE ./_obuild/ocp-pp/main.o(not available)
# 	/usr/bin/ocamlopt.opt -o ./_obuild/ocp-pp/ocp-pp.asm -I ./_obuild/ocp-pp -I ./tools/ocp-pp -I /usr/lib/ocaml/compiler-libs /usr/lib/ocaml/compiler-libs/ocamlcommon.cmxa ./_obuild/ocp-pp/ocpp_version.cmx ./_obuild/ocp-pp/versioning.cmx ./_obuild/ocp-pp/ocpp_parser.cmx ./_obuild/ocp-pp/ocpp_types.cmx ./_obuild/ocp-pp/ocpp.cmx ./_obuild/ocp-pp/main.cmx
# 		TARGET ./_obuild/ocp-pp/ocp-pp.asm
# make: *** [Makefile:195: build-ocps] Error 2