From fbd700b12824ea644801b4b709f2a6aac458e95e Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Wed, 18 Sep 2019 15:13:27 +0000
Subject: [PATCH] haskell-X11: patch the build to succeed with ghc-8.8.x

---
 .../development/haskell-modules/configuration-ghc-8.8.x.nix | 6 ++++++
 1 file changed, 6 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 9e613c6f933..cead355b145 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -167,4 +167,10 @@ self: super: {
   # break out of 'time >=1.4.2 && <1.9'
   HStringTemplate = doJailbreak super.HStringTemplate;
 
+  # don't use obsolete "defaultUserHooks" in Setup.hs
+  X11 = appendPatch super.X11 (pkgs.fetchpatch {
+    url = "https://github.com/xmonad/X11/commit/8d817617afa1b54e6c50a9cc552dc1c0804c1794.patch";
+    sha256 = "0zsgzn0nvdxvqi5z0za3gzlhql2x5d5cr0kkr19j5c67fy177w6b";
+  });
+
 }