From 50855c7e379c8664f40b99dfeebf7eb0baefdbe1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BB=D0=B5=D0=BA=D1=81=D0=B0=D0=BD=D0=B4=D1=80=20?=
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 <astsmtl@yandex.ru>
Date: Sun, 5 Apr 2015 23:14:09 +0300
Subject: [PATCH] Add ability to use pppd to xl2tpd

---
 pkgs/tools/networking/xl2tpd/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/networking/xl2tpd/default.nix b/pkgs/tools/networking/xl2tpd/default.nix
index 50b341778ee..4b8f91461d8 100644
--- a/pkgs/tools/networking/xl2tpd/default.nix
+++ b/pkgs/tools/networking/xl2tpd/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, libpcap }:
+{ stdenv, fetchFromGitHub, libpcap, ppp }:
 
 let version = "1.3.6";
 in stdenv.mkDerivation {
@@ -13,6 +13,10 @@ in stdenv.mkDerivation {
 
   buildInputs = [ libpcap ];
 
+  postPatch = ''
+    substituteInPlace l2tp.h --replace /usr/sbin/pppd ${ppp}/sbin/pppd
+  '';
+
   makeFlags = [ "PREFIX=$(out)" ];
 
   meta = with stdenv.lib; {