From b15009258486ff322efd6ff59df3c3f2acb59b7d Mon Sep 17 00:00:00 2001
From: Herbert Valerio Riedel <hvr@gnu.org>
Date: Sat, 2 Feb 2019 12:19:31 +0100
Subject: [PATCH] Tentatively declare support for unreleased base-4.13/ghc-8.8

---
 haddock.cabal | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/haddock.cabal b/haddock.cabal
index e1f7565a47..c0fc3a4f1b 100644
--- a/haddock.cabal
+++ b/haddock.cabal
@@ -64,7 +64,8 @@ executable haddock
 
   -- haddock typically only supports a single GHC major version 
   build-depends:
-    base ^>= 4.12.0
+    -- FIXME: drop 4.12.0.0 once GHC HEAD updates to 4.13.0.0
+    base ^>= 4.12.0.0 || ^>= 4.13.0.0
 
   if flag(in-ghc-tree)
     hs-source-dirs: haddock-api/src,  haddock-library/src
-- 
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