From ba085ee318482ecd2589a30b0b48dd645199121d Mon Sep 17 00:00:00 2001
From: Austin Seipp <aseipp@pobox.com>
Date: Wed, 7 May 2014 15:33:34 -0500
Subject: [PATCH] libevent: fix event_rpcgen.py

This should help fix the COPRTHR build. Although a Python dependency was
added, it was broken anyway...

Signed-off-by: Austin Seipp <aseipp@pobox.com>
---
 pkgs/development/libraries/libevent/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/libevent/default.nix b/pkgs/development/libraries/libevent/default.nix
index a2a8403b498..bb854139b79 100644
--- a/pkgs/development/libraries/libevent/default.nix
+++ b/pkgs/development/libraries/libevent/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl}:
+{ stdenv, fetchurl, python }:
 
 let version = "2.0.21"; in
 stdenv.mkDerivation {
@@ -9,6 +9,11 @@ stdenv.mkDerivation {
     sha256 = "1xblymln9vihdmf1aqkp8chwvnhpdch3786bh30bj75slnl31992";
   };
 
+  patchPhase = ''
+    substituteInPlace event_rpcgen.py \
+      --replace "/usr/bin/env python2" "${python}/bin/python"
+  '';
+
   meta = {
     description = "libevent, an event notification library";