[Caml-list] Providing module implementations for Oasis

[Jonathan DiLorenzo <dilorenzo@cs.cornell.edu>]

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Hey all,

I'm trying to build my system using Oasis and OCamlbuild. I have 3
different libraries and for some reason I seem to only be able to refer
from one to the other in seemingly random files. For example, I want my
'ppx' library to be able to use functions from my 'parser' library. One
file (ppx_forest.ml) can use functions from it, while another in the same
library (skins.ml) cannot, giving me this error:

File "_none_", line 1:
Error: No implementations provided for the following modules:
         Forest_parser_helper referenced from ppx/ppx.cmxa(Skins)
Command exited with code 2.

They can all refer to types I've defined therein though.

I'm not fantastic at Oasis so maybe I'm just missing something basic? Any
ideas? Any more information I can gather to give more context otherwise?

Thanks in advance,
Jonathan

Excerpt of my Oasis file that may possibly be relevant:

Library forest
  Path:          lib
  BuildTools:    ocamlbuild
  BuildDepends:   pads, str, re, re.glob, core, threads, ppx_let
  CompiledObject: best
  Modules:       Forest, PadsInterface

Library parser
  Path:           parsing
  BuildTools:     ocamlbuild, menhir, ocamllex
  Findlibparent:  forest
  Findlibname:    parser
  BuildDepends:   forest, ppx_deriving.show, compiler-libs.common
  CompiledObject: best
  Modules:  Forest_parser_helper
  InternalModules: Forest_lexer, Forest_parser, Forest_types

Library ppx
  Path:           ppx
  BuildTools:     ocamlbuild
  Findlibparent:  forest
  Findlibname:    ppx
  BuildDepends:   re, re.str, forest.parser, forest, ppx_tools.metaquot
  CompiledObject: best
  Modules:        Ppx_forest
  InternalModules: Ppx_forest_lib, Utility, Skins
  XMETAEnable:    true
  XMETARequires:   str re core threads ppx_tools.metaquot
  XMETAExtraLines:  ppx = "ppx_forest"

Executable ppx_forest
  Path:           ppx
  MainIs:         ppx_forest.ml
  BuildDepends:   forest, forest.parser, forest.ppx, pads.ppx,
ppx_tools.metaquot
  CompiledObject: best

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