From 459f17a8d5d67871ad3a3646df034e2d1793f664 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Mon, 26 Jun 2017 04:08:57 +0200
Subject: [PATCH] =?UTF-8?q?ocamlPackages.uri=5Fp4:=20disable=20for=20OCaml?=
 =?UTF-8?q?=20=E2=89=A5=204.03?=
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---
 pkgs/development/ocaml-modules/uri/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ocaml-modules/uri/default.nix b/pkgs/development/ocaml-modules/uri/default.nix
index ae41c8729607..f08ee7fc2fc1 100644
--- a/pkgs/development/ocaml-modules/uri/default.nix
+++ b/pkgs/development/ocaml-modules/uri/default.nix
@@ -4,7 +4,9 @@
 , sexplib_p4
 }:
 
-assert stdenv.lib.versionAtLeast ocaml.version "4";
+if !stdenv.lib.versionAtLeast ocaml.version "4"
+|| legacyVersion && stdenv.lib.versionAtLeast ocaml.version "4.03"
+then throw "uri${stdenv.lib.optionalString legacyVersion "_p4"} is not available for OCaml ${ocaml.version}" else
 
 with
   if legacyVersion