From 15018497c40cbfa0efef4e9985273a60c2bfd479 Mon Sep 17 00:00:00 2001
From: legendofmiracles <legendofmiracles@protonmail.com>
Date: Tue, 19 Oct 2021 22:18:03 -0600
Subject: [PATCH] python3Packages.smbus-cffi: fix cross-compilation

---
 pkgs/development/python-modules/smbus-cffi/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/python-modules/smbus-cffi/default.nix b/pkgs/development/python-modules/smbus-cffi/default.nix
index 6715cfd60d95..ffb22d1c4b42 100644
--- a/pkgs/development/python-modules/smbus-cffi/default.nix
+++ b/pkgs/development/python-modules/smbus-cffi/default.nix
@@ -24,6 +24,8 @@ buildPythonPackage rec {
     })
   ];
 
+  propagatedNativeBuildInputs = [ cffi ];
+
   propagatedBuildInputs = [ cffi ];
 
   installCheckPhase = ''