make时产生错误：

[email protected]:~/.local/src/tomboy-todo-1.0.0$ sudo make
Making all in src
make[1]: 正在进入目录 `/home/mso/.local/src/tomboy-todo-1.0.0/src'
/usr/bin/gmcs -out:tomboy-todo.dll -target:library -r:/usr/lib/tomboy/Tomboy.exe -resource:./Todo.addin.xml Todo.cs
Todo.cs(26,7): error CS0246: The type or namespace name `Gtk' could not be found. Are you missing a using directive or an assembly reference?
Try using -pkg:gtk-sharp
Todo.cs(74,60): error CS0246: The type or namespace name `Gtk' could not be found. Are you missing a using directive or an assembly reference?
Try using -pkg:gtk-sharp
Todo.cs(84,46): error CS0246: The type or namespace name `Gtk' could not be found. Are you missing a using directive or an assembly reference?
Try using -pkg:gtk-sharp
Todo.cs(84,66): error CS0246: The type or namespace name `Gtk' could not be found. Are you missing a using directive or an assembly reference?
Try using -pkg:gtk-sharp
Todo.cs(96,62): error CS0246: The type or namespace name `Gtk' could not be found. Are you missing a using directive or an assembly reference?
Try using -pkg:gtk-sharp
Todo.cs(96,82): error CS0246: The type or namespace name `Gtk' could not be found. Are you missing a using directive or an assembly reference?
Try using -pkg:gtk-sharp
Compilation failed: 6 error(s), 0 warnings
make[1]: *** [tomboy-todo.dll] 错误 1
make[1]:正在离开目录 `/home/mso/.local/src/tomboy-todo-1.0.0/src'
make: *** [all-recursive] 错误 1

请教前辈什么问题，如何解决

确编译需要的一些包吧？看看有没有编译pre-request的文档，实在找不到就try一下用新立得把缺的包补上--就你的出错信息先把所有名字中含gtk-sharp的包都装上再试试。

谢谢，我先区试试