[Patched Ocamlgraph so it works on 32 bit machine]
-------------------
module Elt = struct 
  type t = int 
  let compare = compare 
  let hash = Hashtbl.hash 
  let equal = (=)
end

;;

module MyGraph = Graph.Imperative.Digraph.Concrete(Elt)
;;
let check() =
  let g = MyGraph.create () in
  MyGraph.add_vertex g 1;
  MyGraph.add_vertex g 2;
  MyGraph.add_vertex g 3;
  MyGraph.add_vertex g 4;
  MyGraph.add_vertex g 5;
  MyGraph.add_edge g 1 2;
  MyGraph.add_edge g 2 3;
  print_endline "Graph constructed"
;;


print_endline "Try using graph module";;
check();;

---------------------
This works fine as per instructions:

[skaller@pelican] ~>ocamlc graph.cmo gr.ml -o gr
[skaller@pelican] ~>./gr
Try using graph module
Graph constructed
------------------------------
But this doesn't:

[skaller@pelican] ~>ocamlopt graph.cmx gr.ml -o gr
/tmp/camlstartup43f4c5.o(.text+0xe5): In function `caml_program':
: undefined reference to `camlGraph__Sig__entry'
/tmp/camlstartup43f4c5.o(.text+0xf1): In function `caml_program':
: undefined reference to `camlGraph__Sig_pack__entry'
/tmp/camlstartup43f4c5.o(.text+0xfd): In function `caml_program':
.....
collect2: ld returned 1 exit status
Error during linking
------------------------------

Instructions are:
-----------------------
ocamlgraph is packaged as a single module `Graph'. Link is done as
follows:
 
- bytecode
 
        ocamlc graph.cmo <other files>
 
- native code
 
        ocamlopt graph.cmx <other files>
--------------------

I must be doing something basic wrong .. using CVS ocaml:

Objective Caml version 3.07+13 (2004-01-04)


--

John Skaller, mailto:skaller@users.sf.net
voice: 061-2-9660-0850, 
snail: PO BOX 401 Glebe NSW 2037 Australia
Checkout the Felix programming language http://felix.sf.net



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