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Author: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sun Feb 1 11:19:50 2015 +0100
ocamlbuild: use ocamlfind to discover camlp4 path
and default to `+camlp4`
diff --git a/ocamlbuild/ocaml_specific.ml b/ocamlbuild/ocaml_specific.ml
index b902810..a73b7a5 100644
--- a/ocamlbuild/ocaml_specific.ml
+++ b/ocamlbuild/ocaml_specific.ml
@@ -698,15 +698,25 @@ ocaml_lib ~extern:true ~tag_name:"use_toplevel" "toplevellib";;
ocaml_lib ~extern:true ~dir:"+ocamldoc" "ocamldoc";;
ocaml_lib ~extern:true ~dir:"+ocamlbuild" ~tag_name:"use_ocamlbuild" "ocamlbuildlib";;
-ocaml_lib ~extern:true ~dir:"+camlp4" ~tag_name:"use_camlp4" "camlp4lib";;
-ocaml_lib ~extern:true ~dir:"+camlp4" ~tag_name:"use_old_camlp4" "camlp4";;
-ocaml_lib ~extern:true ~dir:"+camlp4" ~tag_name:"use_camlp4_full" "camlp4fulllib";;
+let camlp4dir =
+ Findlib.(
+ try
+ if sys_command "sh -c 'ocamlfind list >/dev/null' 2>/dev/null" != 0
+ then raise (Findlib_error Cannot_run_ocamlfind);
+ (query "camlp4").location
+ with Findlib_error _ ->
+ "+camlp4"
+ );;
+
+ocaml_lib ~extern:true ~dir:camlp4dir ~tag_name:"use_camlp4" "camlp4lib";;
+ocaml_lib ~extern:true ~dir:camlp4dir ~tag_name:"use_old_camlp4" "camlp4";;
+ocaml_lib ~extern:true ~dir:camlp4dir ~tag_name:"use_camlp4_full" "camlp4fulllib";;
flag ["ocaml"; "compile"; "use_camlp4_full"]
- (S[A"-I"; A"+camlp4/Camlp4Parsers";
- A"-I"; A"+camlp4/Camlp4Printers";
- A"-I"; A"+camlp4/Camlp4Filters"]);;
-flag ["ocaml"; "use_camlp4_bin"; "link"; "byte"] (A"+camlp4/Camlp4Bin.cmo");;
-flag ["ocaml"; "use_camlp4_bin"; "link"; "native"] (A"+camlp4/Camlp4Bin.cmx");;
+ (S[A"-I"; A(camlp4dir^"/Camlp4Parsers");
+ A"-I"; A(camlp4dir^"/Camlp4Printers");
+ A"-I"; A(camlp4dir^"/Camlp4Filters")]);;
+flag ["ocaml"; "use_camlp4_bin"; "link"; "byte"] (A(camlp4dir^"/Camlp4Bin.cmo"));;
+flag ["ocaml"; "use_camlp4_bin"; "link"; "native"] (A(camlp4dir^"/Camlp4Bin.cmx"));;
flag ["ocaml"; "debug"; "compile"; "byte"] (A "-g");;
flag ["ocaml"; "debug"; "link"; "byte"; "program"] (A "-g");;
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