From 571486be007f6c39c9d0ab51be648e13e804fcfa Mon Sep 17 00:00:00 2001
From: Vincent Hanquez <vincent@snarc.org>
Date: Thu, 15 Sep 2016 20:50:55 +0100
Subject: [PATCH] don't use rdrand on windows

fix #99
---
 cryptonite.cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cryptonite.cabal b/cryptonite.cabal
index b1c8a77..9c6401b 100644
--- a/cryptonite.cabal
+++ b/cryptonite.cabal
@@ -245,7 +245,7 @@ Library
   if arch(x86_64)
     CPP-options: -DARCH_X86_64
 
-  if flag(support_rdrand) && (arch(i386) || arch(x86_64))
+  if flag(support_rdrand) && (arch(i386) || arch(x86_64)) && !os(windows)
     CPP-options:    -DSUPPORT_RDRAND
     Other-modules:  Crypto.Random.Entropy.RDRand
     c-sources:      cbits/cryptonite_rdrand.c