From 4fe3ce822f02bb23fa234f5b5d326d4d97d325cd Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Mon, 12 Feb 2018 22:09:16 +0100
Subject: [PATCH] gnu: ghc-utf8-string: Fix build with GHC 8.

* gnu/packages/haskell.scm (ghc-utf8-string)[arguments]: Allow building with
newer "base".
---
 gnu/packages/haskell.scm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 90388d17bf..7775a5a1ad 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -1662,6 +1662,8 @@ School of Functional Programming', 1995.  See
        (sha256
         (base32 "0h7imvxkahiy8pzr8cpsimifdfvv18lizrb33k6mnq70rcx9w2zv"))))
     (build-system haskell-build-system)
+    (arguments
+     `(#:configure-flags (list "--allow-newer=base")))
     (home-page "https://github.com/glguy/utf8-string/")
     (synopsis "Support for reading and writing UTF8 Strings")
     (description