From 8fe396d89009e21ef708cd61508a6ac27ad55b9d Mon Sep 17 00:00:00 2001
From: Maarten Bent <MaartenBent@users.noreply.github.com>
Date: Sun, 18 Jul 2021 14:57:00 +0200
Subject: [PATCH] Fix -Wundef warnings in iOS build

Make sure <Availability.h> is always included in macOS/iOS build.
---
 include/wx/platform.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/wx/platform.h b/include/wx/platform.h
index 7572c84162..c2449a2a57 100644
--- a/include/wx/platform.h
+++ b/include/wx/platform.h
@@ -415,6 +415,7 @@
 #ifdef __WXOSX__
 /* setup precise defines according to sdk used */
 #   include <TargetConditionals.h>
+#   include <Availability.h>
 #   if defined(__WXOSX_IPHONE__)
 #       if !( defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE )
 #           error "incorrect SDK for an iPhone build"