From 5c8df2235a4b0752114dcf93840dec1655c5ce8f Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Thu, 7 Jan 2021 14:38:48 +0100
Subject: [PATCH] python3: don't use sysconfigdataHook on darwin

Resolves issue when building wheels which is a regression introduced by
1a65c5df5f98

```
AssertionError: would build wheel with unsupported tag ('cp38', 'cp38',
'darwin_x86_64')
```
---
 pkgs/development/interpreters/python/cpython/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/interpreters/python/cpython/default.nix b/pkgs/development/interpreters/python/cpython/default.nix
index f18fe181a7b0..525ef8c1c6d9 100644
--- a/pkgs/development/interpreters/python/cpython/default.nix
+++ b/pkgs/development/interpreters/python/cpython/default.nix
@@ -370,7 +370,7 @@ in with passthru; stdenv.mkDerivation {
 
   # Add CPython specific setup-hook that configures distutils.sysconfig to
   # always load sysconfigdata from host Python.
-  postFixup = ''
+  postFixup = stdenv.lib.optionalString (!stdenv.hostPlatform.isDarwin) ''
     cat << "EOF" >> "$out/nix-support/setup-hook"
     ${sysconfigdataHook}
     EOF