From 33166b74349892d6161d8fd7261e3bd97dc03871 Mon Sep 17 00:00:00 2001
From: Kranium Gikos Mendoza <kranium@gikos.net>
Date: Thu, 11 Aug 2016 06:25:57 +0800
Subject: [PATCH] wireguard: require Linux >= 4.1 for module build (#17632)

---
 pkgs/os-specific/linux/wireguard/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/os-specific/linux/wireguard/default.nix b/pkgs/os-specific/linux/wireguard/default.nix
index df94d17012e..0fda5d6b9d5 100644
--- a/pkgs/os-specific/linux/wireguard/default.nix
+++ b/pkgs/os-specific/linux/wireguard/default.nix
@@ -1,5 +1,8 @@
 { stdenv, fetchgit, libmnl, kernel ? null }:
 
+# module requires Linux >= 4.1 https://www.wireguard.io/install/#kernel-requirements
+assert kernel != null -> stdenv.lib.versionAtLeast kernel.version "4.1";
+
 let
   name = "wireguard-unstable-${version}";