_tags

<*.{byte,native}>: g++, use_llvm, use_llvm_analysis

gistfile1.txt

~/llvm_test[]> ocamlbuild toy.byte
Finished, 0 targets (0 cached) in 00:00:00.
+ /Users/cateches/.opam/4.02.0+trunk/bin/ocamlc.opt -c -o toy.cmo toy.ml
File "toy.ml", line 2, characters 5-9:
Error: Unbound module Llvm
Command exited with code 2.
Compilation unsuccessful after building 2 targets (1 cached) in 00:00:00.

myocamlbuild.ml

(* this is shamelessly copied from llvm.org
   http://llvm.org/docs/tutorial/OCamlLangImpl3.html#full-code-listing *)
   
open Ocamlbuild_plugin;;

ocaml_lib ~extern:true "llvm";;
ocaml_lib ~extern:true "llvm_analysis";;

flag ["link"; "ocaml"; "g++"] (S[A"-cc"; A"g++"]);;

toy.ml

open Llvm

let _ =
  print_endline "we'll worry about using it later"
;;

I've tried ocamlbuild -pkg llvm toy.byte but that gives me

+ /Users/cateches/.opam/4.02.0+trunk/bin/ocamlc.opt llvm.cma llvm_analysis.cma -cc g++ -I /Users/cateches/.opam/4.02.0+trunk/lib/llvm/. '-ccopt -lstdc++' llvm.cma toy.cmo -o toy.byte
/Users/cateches/.opam/4.02.0+trunk/bin/ocamlc.opt: unknown option '-ccopt -lstdc++'.

followed by ocamlopt's "usage" listing