From e76913f9d9e9e96438aaafdca8fa20d0a5b5b5b2 Mon Sep 17 00:00:00 2001
From: Joshua Root <jmr@macports.org>
Date: Mon, 15 Apr 2024 23:04:32 +1000
Subject: [PATCH] gh-117891: handle undefined TARGET_OS_OSX

This macro is not defined by older macOS SDKs, and the code previously
didn't distinguish between it being undefined and being defined to 0.
---
 Modules/_testexternalinspection.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Modules/_testexternalinspection.c b/Modules/_testexternalinspection.c
index bd77f0cd0f1fc7..a82fbedb166cf5 100644
--- a/Modules/_testexternalinspection.c
+++ b/Modules/_testexternalinspection.c
@@ -17,6 +17,11 @@
 
 #if defined(__APPLE__)
 #  include <TargetConditionals.h>
+// TARGET_OS_OSX is not defined by older macOS SDKs. It is always
+// defined to 0 when targeting iOS.
+#  ifndef TARGET_OS_OSX
+#    define TARGET_OS_OSX 1
+#  endif
 #  if TARGET_OS_OSX
 #    include <libproc.h>
 #    include <mach-o/fat.h>