target_options.gpr

abstract project Target_Options is
   type Build_Type is ("Release", "Debug");
   Build : Build_Type := external ("TARGET_BUILD", "Debug");

   type Board_Type is ("atmega328p");
   Board : Board_Type := external ("TARGET_BOARD", "atmega328p");

   COMMON_FLAGS :=
     ("-fcallgraph-info=su,da",
      "-ffunction-sections",
      "-fdata-sections",
      "-mmcu=" & Board);

   ADA_FLAGS :=
     ("-gnatef",
      "-fverbose-asm",
      "-gnateDBOARD=" & Board);

   case Build is
      when "Release" =>
         COMMON_FLAGS := COMMON_FLAGS &
           ("-Os");
         ADA_FLAGS := ADA_FLAGS &
           ("-gnatp",
            "-gnatVn",
            "-gnatn2");

      when "Debug" =>
         COMMON_FLAGS := COMMON_FLAGS &
           ("-Og",
            "-gdwarf-2");
   end case;

   ALL_ADA_FLAGS := COMMON_FLAGS & ADA_FLAGS;

   BINDER_FLAGS :=
     ("-minimal");

   LINKER_FLAGS :=
     ("-Wl,--relax",
      "-Wl,--gc-sections",
      "-mmcu=" & Board);
end Target_Options;