From db1341ba2533987ded23b366040755c90023f38a Mon Sep 17 00:00:00 2001
From: Daniil Baturin <daniil@baturin.org>
Date: Tue, 17 Nov 2020 16:50:12 +0700
Subject: [PATCH] Make odate work with OCaml >4.06 and OPAM >2.0 (#5)

* Use new-style Stdlib rather than Pervasives.

* Update the opam file for opam 2.x
---
 odate.opam              | 15 +++++++++++----
 src/duration_private.ml |  2 +-
 src/oDate.ml            |  2 +-
 3 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/odate.opam b/odate.opam
index c6713ea..b0cdaf3 100644
--- a/odate.opam
+++ b/odate.opam
@@ -1,16 +1,23 @@
-opam-version: "1.2"
+opam-version: "2.0"
 maintainer: "hugo.heuzard@gmail.com"
 authors: [ "Hugo Heuzard" ]
 license: "LGPL-2.1 with OCaml linking exception"
 homepage: "https://github.com/hhugo/odate"
 build: [
-  ["dune" "build" "--only" "odate" "--root" "." "-j" jobs "@install"]
+  ["dune" "subst"] {pinned}
+  ["dune" "build" "-p" name "-j" jobs]
 ]
 depends: [
+  "ocaml" {>= "4.07.0"}
   "dune" {build}
   "menhir" {build}
   "base-unix"
 ]
+synopsis: "Date & Duration Library"
+description: """
+Simple date and duration manipulation. Also implement duration printer
+based on string format. Already implemented in opalang
+[http://opalang.org/]. For documentation about the format, see :
+[http://doc.opalang.org/value/stdlib.core.date/Duration/try_generate_printer].
+"""
 dev-repo: "git://github.com/hhugo/odate"
-available: [ ocaml-version >= "4.00.0" ]
-
diff --git a/src/duration_private.ml b/src/duration_private.ml
index 8d14264..98f8af6 100644
--- a/src/duration_private.ml
+++ b/src/duration_private.ml
@@ -1,4 +1,4 @@
-module P = Pervasives
+module P = Stdlib
 
 module O : sig
 
diff --git a/src/oDate.ml b/src/oDate.ml
index 6f9ada4..42e3a53 100644
--- a/src/oDate.ml
+++ b/src/oDate.ml
@@ -939,7 +939,7 @@ end
 module MakeImplem(C : Clock) : Implem = struct
   type t = float
 
-  let compare = Pervasives.compare
+  let compare = Stdlib.compare
 
   let add f i = f +. i
   let from_seconds x = x