project Common is

   type LOADER_Type is
      ("RAM", "ROM");
   LOADER : LOADER_Type := external ("LOADER", "ROM");

   type RTS_Type is ("ravenscar-sfp", "ravenscar-full");
   RTS : RTS_Type := External ("RTS_Profile", "ravenscar-sfp");

   type LCH_Type is ("led", "lcd");
   LCH : LCH_Type := external ("LCH", "led");

   for Languages use ("Ada");
   for Target use "arm-eabi";
   for Source_Dirs use ("gui");

   case RTS is
      when "ravenscar-sfp" =>
         for Source_Dirs use Project'Source_Dirs & ("lch_sfp");
         case LCH is
            when "led" =>
               for Source_Dirs use Project'Source_Dirs & ("lch_sfp/led");
            when "lcd" =>
               for Source_Dirs use Project'Source_Dirs & ("lch_sfp/lcd");
         end case;
      when "ravenscar-full" =>
         for Source_Dirs use Project'Source_Dirs & ("lch_full");
         case LCH is
            when "led" =>
               for Source_Dirs use Project'Source_Dirs & ("lch_full/led");
            when "lcd" =>
               for Source_Dirs use Project'Source_Dirs & ("lch_full/lcd");
         end case;
   end case;

   package Linker is
      for Default_Switches ("Ada") use
        ("-Wl,--gc-sections",
         "-Wl,--print-memory-usage");
   end Linker;

   package Ide is
      for Gnat use "arm-eabi-gnat";
      for Gnatlist use "arm-eabi-gnatls";
      for Debugger_Command use "arm-eabi-gdb";
      for Program_Host use "localhost:4242";
      for Communication_Protocol use "remote";
      for Connection_Tool use "st-util";
   end Ide;

end Common;