failed to build on MacOSX 10.10 on file 'utils_js.cmi'

[truebit]

Hi,
I'm a totally newbie for ocaml.

my ocaml version is 4.02.3, opam version is 1.2.2. they were install by homebrew.
configured with ./configure --novisual
when trying to make, I got below error, please someone help.

ocamlc.opt -g -thread -dtypes -w +A-4-29-6-45-41-44-48 -warn-error +a -bin-annot -absname -I ../../commons -I ../../commons/ocollection -I ../../commons/ocamlextra -I ../../external/ -I ../../h_program-lang -I ../../h_version-control -I ../../globals -I ../parsing -c utils_js.mli
File "/Users/test/Documents/tech/pfff/lang_js/analyze/utils_js.mli", line 5, characters 0-31:
Warning 50: unattached documentation comment (ignored)
File "/Users/test/Documents/tech/pfff/lang_js/analyze/utils_js.mli", line 6, characters 0-64:
Warning 50: unattached documentation comment (ignored)
File "/Users/test/Documents/tech/pfff/lang_js/analyze/utils_js.mli", line 1:
Error: Some fatal warnings were triggered (2 occurrences)
make[2]: *** [utils_js.cmi] Error 2
make[1]: *** [rec] Error 1
make: *** [all] Error 2

[truebit]

this bug also exists in file lang_js/analyze/module_js.ml. After I replaced all (** **) to (* *), it passed the build.