From 0bd808eebbc977254abe907df4a23e7728c8165b Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Thu, 2 Feb 2023 09:12:10 +0100
Subject: [PATCH] haskell.packages.ghc944.X11-xft: add missing build-time
 dependencies

The packages has additional system dependencies when compiled in the
ghc-9.4.x package set.
---
 pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix
index e927b040417c..6278c728131f 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.4.x.nix
@@ -202,4 +202,8 @@ in {
   fourmolu = overrideCabal (drv: {
     libraryHaskellDepends = drv.libraryHaskellDepends ++ [ self.file-embed ];
   }) (disableCabalFlag "fixity-th" super.fourmolu_0_10_1_0);
+
+  # The Haskell library has additional dependencies when compiled with ghc-9.4.x.
+  X11-xft = addExtraLibraries [pkgs.xorg.libXau pkgs.xorg.libXdmcp pkgs.expat] super.X11-xft;
+
 }