From b7403de38cff46837ab3886396dab1480eed127c Mon Sep 17 00:00:00 2001
From: Stephan Witt <switt@lyx.org>
Date: Fri, 16 Jul 2021 18:12:33 +0200
Subject: [PATCH] Correct moc compiler version extractor regex for patch level
 greater 9.

(cherry picked from commit c93c94fd22b30841e3d36fc8fc583a70091cc72f)
---
 config/qt4.m4 | 2 +-
 status.23x    | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/config/qt4.m4 b/config/qt4.m4
index 0d77b8c7ea..1313c61e79 100644
--- a/config/qt4.m4
+++ b/config/qt4.m4
@@ -208,7 +208,7 @@ AC_DEFUN([QT_DO_IT_ALL],
 	QT_FIND_TOOL([QT_RCC], [rcc])
 
 	dnl Safety check
-	mocqtver=`$QT_MOC -v 2>&1 | sed -e 's/.*\([[0-9]]\.[[0-9]]*\.[[0-9]]\).*/\1/'`
+	mocqtver=`$QT_MOC -v 2>&1 | sed -e 's/.*\([[0-9]]\.[[0-9]]*\.[[0-9]]*\).*/\1/'`
 	if test "x$mocqtver" != "x$QTLIB_VERSION"; then
 		LYX_WARNING([The found moc compiler is for Qt $mocqtver but the Qt library version is $QTLIB_VERSION.])
 	fi
diff --git a/status.23x b/status.23x
index ef768a1e85..2607d611c0 100644
--- a/status.23x
+++ b/status.23x
@@ -97,3 +97,5 @@ What's new
 
 - update included boost library to version 1.75.0.
 
+- fix warning when configuring with Qt 5.15.1x.
+