From 5a7012d1e16485da9f2f028f7d181d09a589d915 Mon Sep 17 00:00:00 2001
From: Sebastian Ramacher <sebastian@ramacher.at>
Date: Sun, 7 Feb 2021 22:52:59 +0100
Subject: [PATCH] Only build with fallback implementation on Windows

---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 4fa9009..32d75d4 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ from setuptools import setup, Extension
 
 
 extension_sources = ["cwcwidth/_impl.pyx"]
-if platform.system() in ("Windows", "Darwin"):
+if platform.system()== "Windows":
     extension_sources.append("cwcwidth/wcwidth.c")
     define_macros = [
         ("USE_MK_WCWIDTH", None),