From 1a3efe224975769ae3c83cfaf4a2b5db87893b8f Mon Sep 17 00:00:00 2001
From: Ivan Solovev <ivan.solovev@qt.io>
Date: Tue, 21 Jan 2025 15:23:27 +0100
Subject: [PATCH] QFlags: add QT_NO_DATASTREAM checks to datastream operator
 declaration

Amends 729c0960b84183bcf9576f974cb5e3b3c3fdc6ef.

Found in Qt 6.9 API review.

Change-Id: Ieb81fe000e61fef54a003f52789fa1475aac5239
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
(cherry picked from commit 348b680ae56e92f061424a10c4baa726cf7f15d2)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/corelib/global/qflags.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/corelib/global/qflags.h b/src/corelib/global/qflags.h
index dc187ef4f65..0ec7f4383f5 100644
--- a/src/corelib/global/qflags.h
+++ b/src/corelib/global/qflags.h
@@ -206,8 +206,10 @@ private:
         return (it == end ? Int(0) : (Int(*it) | initializer_list_helper(it + 1, end)));
     }
 
+#ifndef QT_NO_DATASTREAM
     template <typename E> friend QDataStream &operator<<(QDataStream &, QFlags<E>);
     template <typename E> friend QDataStream &operator>>(QDataStream &, QFlags<E> &);
+#endif
     using Base::i;
 };