From 160a60d663039cc26e73d0359fcbce12b30a7d3d Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Mon, 30 Mar 2009 19:35:55 +0000
Subject: [PATCH]

---
 src/libstore/references.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libstore/references.cc b/src/libstore/references.cc
index 68d1cbfbf..a6f6e85fc 100644
--- a/src/libstore/references.cc
+++ b/src/libstore/references.cc
@@ -4,6 +4,7 @@
 #include "archive.hh"
 
 #include <map>
+#include <cstdlib>
 
 
 namespace nix {