From 626ebf4738ca0df93d0b9e5ccdb305cb1dfa0839 Mon Sep 17 00:00:00 2001
From: Amir Masoud Abdol <amirmasoudabdol@icloud.com>
Date: Wed, 26 Oct 2022 17:03:28 +0200
Subject: [PATCH] Fix a bug in detecting system

Since QtAutoDetect is called before the project, we still don't have
access to our IOS, WATCHOS, TVOS variables, and we must use
CMAKE_SYSTEM_NAME variable instead.

Pick-to: 6.4
Change-Id: I61afe216baec85b3fcd489957f4b6774134f8078
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
---
 cmake/QtAutoDetect.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/QtAutoDetect.cmake b/cmake/QtAutoDetect.cmake
index 76158667210..c1ef0cc344c 100644
--- a/cmake/QtAutoDetect.cmake
+++ b/cmake/QtAutoDetect.cmake
@@ -274,7 +274,7 @@ endfunction()
 
 function(qt_internal_get_darwin_sdk_version out_var)
     if(APPLE)
-        if(IOS)
+        if(CMAKE_SYSTEM_NAME STREQUAL iOS)
             set(sdk_name "iphoneos")
         else()
             # Default to macOS