From 752351e889ebdf458eddcf22d31ffcecb39c75e5 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Fri, 28 Apr 2017 16:13:54 +0000
Subject: [PATCH] ocamlPackages: make explicit some version requirements

---
 pkgs/development/ocaml-modules/base/default.nix          | 3 +++
 pkgs/development/ocaml-modules/functoria/default.nix     | 3 +++
 pkgs/development/ocaml-modules/spacetime_lib/default.nix | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/pkgs/development/ocaml-modules/base/default.nix b/pkgs/development/ocaml-modules/base/default.nix
index 4c92c7f1ca1..f7627567f9c 100644
--- a/pkgs/development/ocaml-modules/base/default.nix
+++ b/pkgs/development/ocaml-modules/base/default.nix
@@ -1,5 +1,8 @@
 { stdenv, fetchurl, ocaml, jbuilder, findlib }:
 
+if !stdenv.lib.versionAtLeast ocaml.version "4.03"
+then throw "base is not available for OCaml ${ocaml.version}" else
+
 stdenv.mkDerivation {
   name = "ocaml${ocaml.version}-base-0.9.0";
 
diff --git a/pkgs/development/ocaml-modules/functoria/default.nix b/pkgs/development/ocaml-modules/functoria/default.nix
index bfcdd4168ca..2d8c00c7238 100644
--- a/pkgs/development/ocaml-modules/functoria/default.nix
+++ b/pkgs/development/ocaml-modules/functoria/default.nix
@@ -2,6 +2,9 @@
 , bos, cmdliner, ocamlgraph
 }:
 
+if !stdenv.lib.versionAtLeast ocaml.version "4.03"
+then throw "functoria is not available for OCaml ${ocaml.version}" else
+
 stdenv.mkDerivation rec {
 	name = "ocaml${ocaml.version}-functoria-${version}";
 	version = "2.0.2";
diff --git a/pkgs/development/ocaml-modules/spacetime_lib/default.nix b/pkgs/development/ocaml-modules/spacetime_lib/default.nix
index c12e47968ef..1eb789ec269 100644
--- a/pkgs/development/ocaml-modules/spacetime_lib/default.nix
+++ b/pkgs/development/ocaml-modules/spacetime_lib/default.nix
@@ -1,5 +1,8 @@
 { stdenv, fetchFromGitHub, ocaml, findlib, owee }:
 
+if !stdenv.lib.versionAtLeast ocaml.version "4.04"
+then throw "spacetime_lib is not available for OCaml ${ocaml.version}" else
+
 stdenv.mkDerivation rec {
   name = "ocaml${ocaml.version}-spacetime_lib-${version}";
   version = "0.1.0";