From 69221cf2d2eacc8b6aee36ad002411700deaf461 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Wed, 15 Dec 2021 14:47:51 -0500
Subject: [PATCH] python3Packages.matplotlib: setup.cfg -> mplsetup.cfg

This addresses a regression on darwin.

An alternative to this would be to set MPLSETUPCFG as was suggested in
---
 pkgs/development/python-modules/matplotlib/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/matplotlib/default.nix b/pkgs/development/python-modules/matplotlib/default.nix
index a9ecee77dce9..806576b2965e 100644
--- a/pkgs/development/python-modules/matplotlib/default.nix
+++ b/pkgs/development/python-modules/matplotlib/default.nix
@@ -87,10 +87,10 @@ buildPythonPackage rec {
     };
   };
 
-  setup_cfg = writeText "setup.cfg" (lib.generators.toINI {} passthru.config);
+  mplsetup_cfg = writeText "mplsetup.cfg" (lib.generators.toINI {} passthru.config);
 
   preBuild = ''
-    cp "$setup_cfg" ./setup.cfg
+    cp "$mplsetup_cfg" ./mplsetup.cfg
   '';
 
   # Matplotlib tries to find Tcl/Tk by opening a Tk window and asking the