From 29afab6c5f656f07ac85c9b2cf089631b2557a11 Mon Sep 17 00:00:00 2001
From: Ned Deily <nad@python.org>
Date: Fri, 4 Dec 2020 23:02:09 -0500
Subject: bpo-41116: Fix setup.py test for macOS Tcl/Tk frameworks (GH-23649)

If no explicit macOS SDK was specified, setup.py should check for
Tcl and TK frameworks in /Library/Frameworks; the previous commit
inadvertently broke that test.
---
 setup.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 0c9a425..90588e8 100644
--- a/setup.py
+++ b/setup.py
@@ -177,10 +177,11 @@ def macosx_sdk_root():
     m = re.search(r'-isysroot\s*(\S+)', cflags)
     if m is not None:
         MACOS_SDK_ROOT = m.group(1)
+        MACOS_SDK_SPECIFIED = MACOS_SDK_ROOT != '/'
     else:
         MACOS_SDK_ROOT = _osx_support._default_sysroot(
             sysconfig.get_config_var('CC'))
-    MACOS_SDK_SPECIFIED = MACOS_SDK_ROOT != '/'
+        MACOS_SDK_SPECIFIED = False
 
     return MACOS_SDK_ROOT
 
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