From 2c38147fe73cdca0f8e11387a7ee92b1506e99b9 Mon Sep 17 00:00:00 2001
From: Daniel Gröber <dxld@darkboxed.org>
Date: Sat, 26 Jan 2019 18:27:20 +0100
Subject: compile: v2-install --libs needs GHC >=8.0

---
 src/CabalHelper/Compiletime/Program/GHC.hs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/CabalHelper/Compiletime/Program')

diff --git a/src/CabalHelper/Compiletime/Program/GHC.hs b/src/CabalHelper/Compiletime/Program/GHC.hs
index 79dd1b3..b58eab0 100644
--- a/src/CabalHelper/Compiletime/Program/GHC.hs
+++ b/src/CabalHelper/Compiletime/Program/GHC.hs
@@ -61,6 +61,7 @@ data GhcInvocation = GhcInvocation
     }
 
 newtype GhcVersion = GhcVersion { unGhcVersion :: Version }
+    deriving (Eq, Ord, Read, Show)
 
 showGhcVersion :: GhcVersion -> String
 showGhcVersion (GhcVersion v) = showVersion v
-- 
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