From 7c8f3a5d28bf7d9e745e5c1d8e36f4e40778bfa9 Mon Sep 17 00:00:00 2001
From: Kornel Benko <kornel@lyx.org>
Date: Sat, 6 Apr 2024 10:34:00 +0200
Subject: [PATCH] Cmake build: Check for needed qt6 required packages before
 using QT6 compilation

---
 CMakeLists.txt | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f473ee4bc5..4a843029f2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -663,7 +663,16 @@ endif()
 set(min_qt5_version "5.6")
 if(LYX_USE_QT MATCHES "AUTO")
 	# try qt6 first
-	find_package(Qt6Core CONFIG QUIET)
+	foreach(_mod Core Gui Widgets Concurrent Svg)
+		find_package(Qt6${_mod} CONFIG QUIET)
+		if (NOT Qt6${_mod}_FOUND)
+			message(STATUS "Not found Qt6${_mod}, aborting use of QT6")
+			set(Qt6Core_FOUND OFF)
+			break()
+		else()
+			message(STATUS "Found Qt6${_mod}")
+		endif()
+	endforeach()
 	if (Qt6Core_FOUND)
 		set(LYX_USE_QT "QT6" CACHE STRING "Valid qt version" FORCE)
 		message(STATUS "Qt6Core_VERSION = ${Qt6Core_VERSION}")