From 037181ed23a499c0f49c1e0e5473f44182e170de Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Mon, 12 Feb 2018 20:34:51 +0100
Subject: [PATCH] gnu: ghc-old-time: Allow building with GHC 8.

* gnu/packages/haskell.scm (ghc-old-time)[arguments]: Allow building with
newer version of "base".
---
 gnu/packages/haskell.scm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index c253deb628..1fd856eb2c 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -1355,6 +1355,8 @@ date and time formats.")
         (base32
          "1h9b26s3kfh2k0ih4383w90ibji6n0iwamxp6rfp2lbq1y5ibjqw"))))
     (build-system haskell-build-system)
+    (arguments
+     `(#:configure-flags (list "--allow-newer=base")))
     (inputs
      `(("ghc-old-locale" ,ghc-old-locale)))
     (home-page "https://hackage.haskell.org/package/old-time")