Fix CMake warning: qt5_make_output_file is not part of the official API, and might be removed in Qt 6.

src/Mod/Spreadsheet/Gui/CMakeLists.txt

@@ -13,21 +13,15 @@ set(SpreadsheetGui_LIBS
     FreeCADGui
 )
 
-set(SpreadsheetGui_MOC_HDRS
-    LineEdit.h
-    SpreadsheetView.h
-    SheetModel.h
-    SheetTableView.h
-    SpreadsheetDelegate.h
-    Workbench.h
-    PropertiesDialog.h
-    qtcolorpicker.h
-)
-
 if(BUILD_QT5)
+    set_property(SOURCE qtcolorpicker.h qtcolorpicker.cpp PROPERTY SKIP_AUTOMOC ON)
     add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/moc_qtcolorpicker-internal.cpp
         COMMAND ${Qt5Core_MOC_EXECUTABLE} -o ${CMAKE_CURRENT_BINARY_DIR}/moc_qtcolorpicker-internal.cpp ${CMAKE_CURRENT_SOURCE_DIR}/qtcolorpicker.cpp
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/qtcolorpicker.cpp)
+
+    add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/moc_qtcolorpicker.cpp
+        COMMAND ${Qt5Core_MOC_EXECUTABLE} -o ${CMAKE_CURRENT_BINARY_DIR}/moc_qtcolorpicker.cpp ${CMAKE_CURRENT_SOURCE_DIR}/qtcolorpicker.h
+        DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/qtcolorpicker.h)
 else()
     add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/moc_qtcolorpicker-internal.cpp
         COMMAND ${QT_MOC_EXECUTABLE} -o ${CMAKE_CURRENT_BINARY_DIR}/moc_qtcolorpicker-internal.cpp ${CMAKE_CURRENT_SOURCE_DIR}/qtcolorpicker.cpp
@@ -35,10 +29,7 @@ else()
 endif()
 
 set_property(SOURCE qtcolorpicker.cpp APPEND PROPERTY OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/moc_qtcolorpicker-internal.cpp)
-
-fc_wrap_cpp(SpreadsheetGui_MOC_SRCS ${SpreadsheetGui_MOC_HDRS})
-SOURCE_GROUP("Moc" FILES ${SpreadsheetGui_MOC_SRCS})
-
+set_property(SOURCE qtcolorpicker.h APPEND PROPERTY OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/moc_qtcolorpicker.cpp)
 
 SET(SpreadsheetGui_RES_SRCS
     Resources/Spreadsheet.qrc
@@ -62,7 +53,6 @@ else()
 endif()
 
 SET(SpreadsheetGui_SRCS
-#   ${SpreadsheetGui_MOC_SRCS}
     ${SpreadsheetGui_QRC_SRCS}
     AppSpreadsheetGui.cpp
     Command.cpp