build_runtime.gpr

--  Copyright (C) 2016-2024 Free Software Foundation, Inc.

--  This file is part of the FreeRTOS-Ada package.
--
--  The FreeRTOS-Ada package is free software; you can redistribute
--  it and/or modify it under the terms of the GNU General Public
--  License as published by the Free Software Foundation; either
--  version 3 of the License, or (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
--  General Public License for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with this program; see the file COPYING3.  If not, see
--  <http://www.gnu.org/licenses/>.

with "../common/common";
with "../FreeRTOS";

library project Build_Runtime is

   for Languages use ("Ada", "C", "ASM");

   for Library_Auto_Init use "False";
   for Library_Name use "gnat";
   for Library_Kind use "static";

   for Library_Dir use "adalib";
   for Object_Dir use ".build";

   for Source_Dirs use Common.Paths &
     (
      "adainclude",
      FreeRTOS.Source,
      FreeRTOS.Portable_Base & "ARM_CM4F"
     );

   for Target use external ("TARGET", "arm-eabi");
   for Runtime ("ada") use Build_Runtime'Project_Dir;

   type Build_Type is ("Production", "Debug");
   Build : Build_Type := external ("CORTEX_GNAT_RTS_BUILD",
                                   external ("BUILD", "Debug"));

   type Callgraph_Type is ("yes", "no");
   Callgraph : Callgraph_Type := external ("CALLGRAPH", "no");

   package Compiler is
      COMMON_FLAGS := ("-ffunction-sections", "-fdata-sections");
      case Build is
        when "Production" =>
           COMMON_FLAGS := COMMON_FLAGS & ("-g", "-O2");
        when "Debug" =>
           COMMON_FLAGS := COMMON_FLAGS & ("-g", "-Og");
           -- -O0 is costly, e.g. in the Timer_Events task.
      end case;
      case Callgraph is
         when "yes" =>
            COMMON_FLAGS := COMMON_FLAGS & ("-fcallgraph-info=su,da");
         when "no" =>
            null;
      end case;
      ALL_ADAFLAGS :=
        ("-gnatwae", "-gnatpgn", "-gnatqQ", "-nostdinc")
        & COMMON_FLAGS
        & external_as_list ("EXTRA_ADAFLAGS", " ");
      case Build is
        when "Production" =>
           null;
        when "Debug" =>
           ALL_ADAFLAGS := ALL_ADAFLAGS & "-gnata";
      end case;
      ALL_CFLAGS :=
        external_as_list("INCLUDES", " ")
        & external_as_list("DEFINES", " ")
        & "-I" & FreeRTOS.Include
        & ("-DIN_RTS", "-Dinhibit_libc")
        & COMMON_FLAGS;

      NO_SIBLING_ADAFLAGS := ("-fno-optimize-sibling-calls");
      NO_REORDER_ADAFLAGS := ("-fno-toplevel-reorder");

      for Switches ("C") use ALL_CFLAGS;
      for Switches ("Ada") use ALL_ADAFLAGS;

      for Switches ("startup.adb") use ALL_ADAFLAGS & ("-Wno-attributes");
      for Switches ("s-traceb.adb") use ALL_ADAFLAGS & ("-g")
        & NO_SIBLING_ADAFLAGS & ("-fno-inline-functions-called-once");
      for Switches ("s-tasdeb.adb") use ALL_ADAFLAGS & ("-g", "-O0");
      for Switches ("a-except.adb") use ALL_ADAFLAGS
        & ("-g", "-O1", "-fno-inline") & NO_REORDER_ADAFLAGS;
      for Switches ("s-excdeb.adb") use ALL_ADAFLAGS & ("-g", "-O0");
      for Switches ("s-assert.adb") use ALL_ADAFLAGS & ("-g");
      for Switches ("a-tags.adb") use ALL_ADAFLAGS & ("-g");
      for Switches ("last_chance_handler.c") use ALL_CFLAGS & ("-g", "-O0");
      for Switches ("s-harhan.adb") use ALL_ADAFLAGS & ("-g", "-O0");
  end Compiler;

   package Install is
      case Common.Local is
         when "no" =>
            for Prefix use "arm-eabi/lib/gnat/";
         when "yes" =>
            for Prefix use project'Project_Dir & "../local/";
      end case;
      for Prefix use Install'Prefix & "stm32f429i";
      for Sources_Subdir use "adainclude";
      for Ali_Subdir use "adalib";
      for Lib_Subdir use "adalib";
      for Required_Artifacts (".") use ("runtime.xml");
      for Required_Artifacts ("ld") use ("ld/stm32f429i-flash.ld");
      for Install_Project use "false";
   end Install;

end Build_Runtime;