ocamlbuild

I'm porting my application from OCaml 4.02.3 to 4.03.0. Say you have the following in lexer.ml : type t = T [@@deriving sexp] let () = sexp_of_t |> ignore; print_endline "hai" I'm trying to run it as following: ocamlbuild -use-ocamlfind -pkg ppx_sexp_conv -cflags '-w @a-4-31' lexer.byte -- But I'm getting the following error: Warning 31: files lexer.cmo and /Users/vladimir/.opam/4.03.0+flambda/lib/ocaml/compiler-libs/ocamlcommon.cma(Lexer) both define a module named Lexer File "_none_", line 1: Error: Some fatal warnings were triggered (1 occurrences) I understand that compiler-libs has a

I recently decided to organize the files in my project directory. I moved the parsers I had for a few different file types into their own directory and also decided to use ocamlbuild (the as the project was getting more complicated and the simple shell script was not sufficient any longer). I was able to successfully include external projects by modifying myocamlbuild with some basic rules (calling ocaml_lib , I'll use ocamlfind some other time), but I am stuck on how to include the folder as a module into the project properly. I created a parser.mlpack file and filled it with the proper

I am using Jane Street 's async_core by adding package(async_core) in _tags . When I use ocamlbuild -use-ocamlfind -I src test/test_airport.native , it gives me the following error: camlfind ocamlopt -linkpkg -package async_core -package unix -package netclient -package mongo -package xml-light src/airport.cmx test/test_airport.cmx -o test/test_airport.native ocamlfind: Error from package `threads': Missing -thread or -vmthread switch I googled it and here is what I got http://caml.inria.fr/pub/docs/manual-ocaml-4.00/manual039.html It says: Programs that use system threads must be linked as