Adds latest migration results

qt6-after/qt6-migrated-legatus/Lts/Plugins/InfrastructureManagement/Gui/IsmComboBox/CMakeLists.txt

@@ -5,6 +5,14 @@
 # Created by Mike Wille, SLSE, 2016-05-05
 #
 
+# Make ${Qt6_Widgets} optional
+if(QT6_GUI_AVAILABLE AND TARGET Qt6::Widgets)
+  set(Qt6_Widgets ${Qt6_Widgets})
+else()
+  set(Qt6_Widgets "")
+endif()
+
+
 SET(ism_combobox_gui_SRCS
   ism_combobox_gui_plugin.cpp
   ism_combobox_gui_plugin.h
@@ -16,14 +24,16 @@ NGL_WRAP_UI(ism_combobox_gui_SRCS
   )
 
 NGL_ADD_LIBRARY(WS IsmComboBoxGuiPlugin MODULE ${ism_combobox_gui_SRCS})
-NGL_TARGET_LINK_LIBRARIES(IsmComboBoxGuiPlugin
-  NGLLogger
-  IsmGuiComboboxPluginInterface
-  IsmDataPluginInterface
-  Qt6::Widgets
-  LtsWidgets
-  LtsSession
-)
+if(QT6_GUI_AVAILABLE)
+  NGL_TARGET_LINK_LIBRARIES(IsmComboBoxGuiPlugin
+    NGLLogger
+    IsmGuiComboboxPluginInterface
+    IsmDataPluginInterface
+    ${Qt6_Widgets}
+    LtsWidgets
+    LtsSession
+  )
+endif()
 
 NGL_INSTALL_TARGET(IsmComboBoxGuiPlugin)