Port to Qt 6

Author: rjanvier

CMakeLists.txt

@@ -218,7 +218,7 @@ endif()
 
 # QT (optional)
 if ( CCCORELIB_USE_QT_CONCURRENT )
-	find_package( Qt5
+	find_package( Qt6
 		COMPONENTS
 			Concurrent
 		REQUIRED
@@ -232,7 +232,7 @@ if ( CCCORELIB_USE_QT_CONCURRENT )
 
 	target_link_libraries( CCCoreLib
 		PUBLIC
-			Qt5::Concurrent
+            Qt6::Concurrent
 	)
 
 	target_compile_definitions( CCCoreLib

cmake/CCCoreLibConfig.cmake.in

@@ -19,9 +19,9 @@ if( @CCCORELIB_USE_TBB@ )
 endif()
 if( @CCCORELIB_USE_QT_CONCURRENT@ )
   if( ${CMAKE_VERSION} VERSION_LESS "3.10.0" )
-      find_package( Qt5 COMPONENTS Concurrent )
+      find_package( Qt6 COMPONENTS Concurrent )
   else()
-      find_dependency( Qt5 COMPONENTS Concurrent )
+      find_dependency( Qt6 COMPONENTS Concurrent )
   endif()
 endif()