From 9d6d50269bef214473580a879f6194e02692fe16 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Thu, 16 Oct 2008 14:16:03 +0000
Subject: [PATCH] * Bug fix for building on some old installations (contributed
 by Pjotr).

---
 src/libstore/store-api.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/libstore/store-api.cc b/src/libstore/store-api.cc
index 23631a3b8..ced5fd007 100644
--- a/src/libstore/store-api.cc
+++ b/src/libstore/store-api.cc
@@ -5,6 +5,12 @@
 #include <limits.h>
 
 
+/* Needed for some ancient environments. */
+#ifndef ULLONG_MAX
+#define ULLONG_MAX 18446744073709551615
+#endif
+
+
 namespace nix {