From 37e9987fb94f3e52f23d284fe07b4a5b7c844e06 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Sat, 8 Jan 2022 15:00:16 +0100
Subject: [PATCH] swiften: use system expat

The bundled version does not build with latest boost. Also bundling deps is eww.

But swiften itself still broken by boost update.
---
 pkgs/development/libraries/swiften/default.nix | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/swiften/default.nix b/pkgs/development/libraries/swiften/default.nix
index 980d034682f5..2cdc22ab8f6c 100644
--- a/pkgs/development/libraries/swiften/default.nix
+++ b/pkgs/development/libraries/swiften/default.nix
@@ -1,10 +1,13 @@
-{ lib, stdenv, python, fetchurl, openssl, boost, sconsPackages }:
+{ lib, stdenv, python, expat, fetchurl, openssl, boost, sconsPackages }:
 stdenv.mkDerivation rec {
   pname = "swiften";
   version = "4.0.2";
 
   nativeBuildInputs = [ sconsPackages.scons_3_1_2 ];
-  buildInputs           = [ python ];
+  buildInputs = [
+    python
+    expat
+  ];
   propagatedBuildInputs = [ openssl boost ];
 
   src = fetchurl {