From 7ef2b7a3502a1ca4a7994dc04afce106e25e0213 Mon Sep 17 00:00:00 2001
From: sternenseemann <sternenseemann@systemli.org>
Date: Fri, 4 Feb 2022 10:56:58 +0100
Subject: [PATCH] haskell.packages.ghc921.ghc-exactprint: provide missing
 data-default

---
 pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix
index bff44e6facec..b48b79b8bbc3 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix
@@ -112,6 +112,7 @@ self: super: {
     libraryHaskellDepends = [
       self.fail
       self.ordered-containers
+      self.data-default
     ] ++ drv.libraryHaskellDepends or [];
   }) super.ghc-exactprint;
   ghc-lib = self.ghc-lib_9_2_1_20220109;