From 8bdfc34ab0ef717504418b2388b881927934466f Mon Sep 17 00:00:00 2001
From: "Robert T. McGibbon" <rmcgibbo@gmail.com>
Date: Fri, 7 May 2021 18:00:04 -0400
Subject: [PATCH] python3Packages.pyvex: fix on darwin

---
 pkgs/development/python-modules/pyvex/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/python-modules/pyvex/default.nix b/pkgs/development/python-modules/pyvex/default.nix
index 310170d040d4..618dfef4171c 100644
--- a/pkgs/development/python-modules/pyvex/default.nix
+++ b/pkgs/development/python-modules/pyvex/default.nix
@@ -28,6 +28,7 @@ buildPythonPackage rec {
 
   preBuild = ''
     export CC=${stdenv.cc.targetPrefix}cc
+    substituteInPlace pyvex_c/Makefile --replace 'AR=ar' 'AR=${stdenv.cc.targetPrefix}ar'
   '';
 
   # No tests are available on PyPI, GitHub release has tests