From 6a472242c189ffb821d1cb4505fc41ef67f09bc2 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 9 May 2019 15:14:50 +0000
Subject: [PATCH] haskell-regex-tdfa: apply patches to fix the build with
 ghc-8.8.x

---
 pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
index 4030674fea2a..d204aeb67f6f 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -146,5 +146,9 @@ self: super: {
     sha256 = "04xwznd3lfgracfz68ls6vfm19rhq8fb74r6ii0grpv6cx4rr21i";
   });
   easytest = self.easytest_0_3;
+  regex-tdfa = appendPatch super.regex-tdfa (pkgs.fetchpatch {
+    url = "https://raw.githubusercontent.com/hvr/head.hackage/master/patches/regex-tdfa-1.2.3.1.patch";
+    sha256 = "1lhas4s2ms666prb475gaw2bqw1v4y8cxi66sy20j727sx7ppjs7";
+  });
 
 }