From 164635e3b07c0b70c922d45dfa23c12aabe6e4e4 Mon Sep 17 00:00:00 2001
From: Alexandru Croitor <alexandru.croitor@qt.io>
Date: Fri, 13 Sep 2024 14:36:44 +0200
Subject: [PATCH] CMake: Warn if CMAKE_OSX_ARCHITECTURES is set on non-Apple
 platforms

Change-Id: Icf683f17602ebb5d085f2ee25c1a02cacfb57609
Reviewed-by:  Alexey Edelev <alexey.edelev@qt.io>
(cherry picked from commit 834760e85eac93a959d5e9856b5565afaf421ea7)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 cmake/QtAutoDetectHelpers.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmake/QtAutoDetectHelpers.cmake b/cmake/QtAutoDetectHelpers.cmake
index 2b8152ec75f..964edafecff 100644
--- a/cmake/QtAutoDetectHelpers.cmake
+++ b/cmake/QtAutoDetectHelpers.cmake
@@ -179,6 +179,11 @@ endfunction()
 
 function(qt_auto_detect_apple)
     if(NOT APPLE)
+        if(CMAKE_OSX_ARCHITECTURES AND NOT QT_NO_SHOW_NON_APPLE_CMAKE_OSX_ARCHITECTURES_WARNING)
+            message(WARNING
+                "CMAKE_OSX_ARCHITECTURES is set while targeting a non-Apple platform. This can "
+                "lead to build failures. Consider reconfiguring with the variable unset.")
+        endif()
         return()
     endif()