Merge pull request #32 from ocsigen/opt-camlp4

Make camlp4 an optionnal dependency.

Author: Drup

_oasis

@@ -28,6 +28,10 @@ Description:
    elt = XML.elt and type 'a attrib = XML.attrib with 'a set to
    appropriate polymorphic variants.
 
+Flag syntax
+  Description: Build the camlp4 syntax extension.
+  Default: true
+
 Library tyxml
   FindlibName: tyxml
   Path: lib
@@ -67,6 +71,7 @@ Library tyxml_f
     Html5_f
 
 Library pa_tyxml
+  Build$: flag(syntax)
   FindlibName: syntax
   FindlibParent: tyxml
   XMETAType: syntax
@@ -85,6 +90,7 @@ Library pa_tyxml
   Pack: true
 
 Library tymlx_p
+  Build$: flag(syntax)
   FindlibName: parser
   FindlibParent: tyxml
   XMETADescription:

opam/opam

@@ -1,12 +1,18 @@
 opam-version: "1"
 maintainer: "[email protected]"
 build: [
-  ["%{make}%"]
-  ["%{make}%" "install"]
+  ["./configure"
+      "--%{camlp4:enable}%-syntax"
+      "--prefix" prefix]
+  [make]
+  [make "install"]
 ]
 remove: [
   ["ocamlfind" "remove" "tyxml"]
 ]
 depends: [
   "ocamlfind"
 ]
+depopts: [
+  "camlp4"
+]