buildsystem - install library with "-qt6" when built for Qt6

CMakeLists.txt

@@ -117,10 +117,12 @@ if(${PROJECT_NAME}_QT6)
   find_package(Qt6Widgets REQUIRED)
   find_package(Qt6Test REQUIRED)
   set(QT_MAJOR_VERSION 6)
+  set(KDDockWidgets_LIBRARY_QTID "-qt6")
 else()
   find_package(Qt5Widgets 5.9 REQUIRED)
   find_package(Qt5Test 5.9 REQUIRED)
   set(QT_MAJOR_VERSION 5)
+  set(KDDockWidgets_LIBRARY_QTID "")
 endif()
 
 set(CMAKE_AUTOMOC ON)

src/CMakeLists.txt

@@ -208,6 +208,7 @@ set(RESOURCES ${CMAKE_CURRENT_SOURCE_DIR}/kddockwidgets_resources.qrc)
 
 add_library(kddockwidgets ${KDDockWidgets_LIBRARY_MODE} ${DOCKSLIBS_SRCS} ${DOCKS_INSTALLABLE_INCLUDES} ${RESOURCES} ${RESOURCES_QUICK})
 add_library(KDAB::kddockwidgets ALIAS kddockwidgets)
+set_target_properties(kddockwidgets PROPERTIES OUTPUT_NAME "kddockwidgets${KDDockWidgets_LIBRARY_QTID}")
 set_compiler_flags(kddockwidgets)
 
 target_include_directories(kddockwidgets