Re: How to write gpr files from scratch , example 1, build only one package

[Alain De Vos <devosalain71@gmail.com>]

On Friday, November 1, 2019 at 11:04:07 PM UTC+1, Alain De Vos wrote:
> https://docs.adacore.com/gprbuild-docs/html/gprbuild_ug/gnat_project_manager.html
> 
> I have a file buttonhandler.adb containing :
> -- TEST : Connecting via the On_* procedures first method
> with GTk...stuff...;
> package body buttonhandler is
>    procedure On_Button_Click (Button : access Gtk_Button_Record'Class) is
>    begin
>       Put_line ("Hallo");
>    end On_Button_Click;
> end buttonhandler;
> --------------------------------------------
> > Now I write  : my_buttonhandler.gpr contents (as there is no main entry),                                              
> with "gtkada.gpr";
> project My_buttonhandler is
> end My_buttonhandler;
> ------------------------------------------
> Executing :
> gprbuild -Pmy_buttonhandler.gpr returns :
> Compile
>    [Ada]          buttonhandler.adb
> buttonhandler.adb:19:14: file "buttonhandler.ads" not found

Yes gtk.handlers are the way to go, but one step at a time, I come that later. 
I order not not clutter I post a new specific question regarding the on_procedure method.