From 3536433c41fa67b7ad006ab0c8787f91b3294d58 Mon Sep 17 00:00:00 2001
From: "Adam J. Stewart" <ajstewart426@gmail.com>
Date: Sun, 15 Nov 2020 11:54:39 -0600
Subject: macOS: Big Sur reports as either 10.16 or 11.0 (#19900)

---
 lib/spack/spack/operating_systems/mac_os.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/spack/spack/operating_systems/mac_os.py b/lib/spack/spack/operating_systems/mac_os.py
index 519820f932..d59e6fce65 100644
--- a/lib/spack/spack/operating_systems/mac_os.py
+++ b/lib/spack/spack/operating_systems/mac_os.py
@@ -54,6 +54,7 @@ class MacOs(OperatingSystem):
             '10.13': 'highsierra',
             '10.14': 'mojave',
             '10.15': 'catalina',
+            '10.16': 'bigsur',
             '11.0':  'bigsur',
         }
 
-- 
cgit v1.2.3-70-g09d2