From e52e16e2eff1fd629dcdbc3e025debe2c6d82da9 Mon Sep 17 00:00:00 2001
From: "Thomas M. DuBuisson" <tommd@galois.com>
Date: Sun, 21 May 2017 14:20:52 -0700
Subject: [PATCH] Add setup-depends since we detect rdrand at startup.

---
 entropy.cabal | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/entropy.cabal b/entropy.cabal
index 54272f6..b8b6a50 100644
--- a/entropy.cabal
+++ b/entropy.cabal
@@ -30,6 +30,14 @@ flag halvm
     description:        Build for the HaLVM
     default:            False
 
+
+custom-setup
+  setup-depends: Cabal >= 1.10 && < 2.2
+               , base < 5
+               , filepath < 1.5
+               , directory < 1.4
+               , process < 1.7
+
 library
   ghc-options:  -O2
   exposed-modules: System.Entropy