From 201d1632e71707929b3341b0a52e53acfcc454d9 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Sun, 13 Mar 2022 15:04:39 +0100
Subject: [PATCH] =?UTF-8?q?ocamlPackages.spacetime=5Flib:=20disable=20for?=
 =?UTF-8?q?=20OCaml=20=E2=89=A5=204.12?=
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---
 pkgs/development/ocaml-modules/spacetime_lib/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ocaml-modules/spacetime_lib/default.nix b/pkgs/development/ocaml-modules/spacetime_lib/default.nix
index 009b2ce32619..442d06e4f698 100644
--- a/pkgs/development/ocaml-modules/spacetime_lib/default.nix
+++ b/pkgs/development/ocaml-modules/spacetime_lib/default.nix
@@ -1,4 +1,7 @@
-{ lib, fetchFromGitHub, buildDunePackage, owee }:
+{ lib, fetchFromGitHub, buildDunePackage, ocaml, owee }:
+
+lib.throwIfNot (lib.versionAtLeast "4.12" ocaml.version)
+  "spacetime_lib is not available for OCaml ${ocaml.version}"
 
 buildDunePackage rec {
   pname = "spacetime_lib";