From a0c2203baa2b2cdf8240f1c39a2cbb3a6ae39041 Mon Sep 17 00:00:00 2001
From: Joey Hess <joeyh@joeyh.name>
Date: Wed, 10 May 2017 14:36:35 -0400
Subject: fix build with old ghc

---
 BuildInfo.hs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/BuildInfo.hs b/BuildInfo.hs
index 29455f61c..47dacc78b 100644
--- a/BuildInfo.hs
+++ b/BuildInfo.hs
@@ -10,6 +10,7 @@
 module BuildInfo where
 
 import Data.List
+import Data.Ord
 import qualified Data.CaseInsensitive as CI
 
 buildFlags :: [String]
@@ -86,7 +87,7 @@ buildFlags = filter (not . null)
 -- Not a complete list, let alone a listing transitive deps, but only
 -- the ones that are often interesting to know.
 dependencyVersions :: [String]
-dependencyVersions = map fmt $ sortOn (CI.mk . fst)
+dependencyVersions = map fmt $ sortBy (comparing (CI.mk . fst))
 	[ ("feed", VERSION_feed)
 	, ("uuid", VERSION_uuid)
 	, ("bloomfilter", VERSION_bloomfilter)
-- 
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