From 8bf602518d8440542329d867c1a710b66ae12c36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kai=20K=C3=B6hne?= <kai.koehne@qt.io>
Date: Sun, 1 Jan 2023 15:30:46 +0100
Subject: [PATCH] Enforce strict standards behavior in MSVC headersclean check

The comment apparently doesn't apply anymore.

Change-Id: Ie0572341c55d60b83ff428134ba803068fa20558
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
---
 cmake/QtHeadersClean.cmake | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/cmake/QtHeadersClean.cmake b/cmake/QtHeadersClean.cmake
index 497c3f2909..b19990eac4 100644
--- a/cmake/QtHeadersClean.cmake
+++ b/cmake/QtHeadersClean.cmake
@@ -181,9 +181,7 @@ function(qt_internal_add_headersclean_target module_target module_headers)
         )
         set(input_header_path_type ABSOLUTE)
     elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
-        # -Za would enable strict standards behavior, but we can't add it because
-        # <windows.h> and <GL.h> violate the standards.
-        set(hcleanFLAGS -std:c++latest -Zc:__cplusplus -WX -W3)
+        set(hcleanFLAGS -std:c++latest -Zc:__cplusplus -Za -WX -W3)
 
         # cl.exe needs a source path
         get_filename_component(source_path "${QT_MKSPECS_DIR}/features/data/dummy.cpp" REALPATH)