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Makefile.tc.in
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Makefile.tc.in
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#
# Toolchain sub-Makefile
#
# Copyright (C) 2020-2024 Gabriele Galeotti
#
# This work is licensed under the terms of the MIT License.
# Please consult the LICENSE.txt file located in the top-level directory.
#
#
# Environment variables:
# OSTYPE
# PATH
# EXEEXT
# SCREXT
# VERBOSE
# PLATFORM_GOALS
# MAKECMDGOALS
# INFOCONFIG_GOALS
# SWEETADA_PATH
# TOOLCHAIN_PREFIX
# TOOLCHAIN_NAME
# RTS_DIRECTORY
# RTS_BASE_PATH
# RTS
# ADA_MODE
# STACK_LIMIT
# BUILD_MODE
# OPTIMIZATION_LEVEL
# OBJECT_DIRECTORY
# KERNEL_BASENAME
# GNATADC_FILENAME
# GCC_WRAPPER
# GNAT_WRAPPER
# ENABLE_SPLIT_DWARF
# CONFIGURE_DEPS
#
################################################################################
# #
# Toolchain initialization. #
# #
################################################################################
ifneq ($(TOOLCHAIN_NAME),)
TOOLCHAIN_PROGRAM_PREFIX := $(TOOLCHAIN_NAME)-
endif
# raw compiler executable used for 1) retrieve informations, and 2) back-end
# in the GNATMAKE wrapper
# NOTE: this is not the same as TOOLCHAIN_CC, which is possibly used to
# compile C source files
TOOLCHAIN_GCC := $(TOOLCHAIN_PROGRAM_PREFIX)gcc$(EXEEXT)
# detect GCC compiler
ifeq ($(OSTYPE),cmd)
GCC_VERSION := $(shell SET "PATH=$(PATH)" && $(TOOLCHAIN_GCC) -dumpversion 2>nul)
else
GCC_VERSION := $(shell PATH="$(PATH)" $(TOOLCHAIN_GCC) -dumpversion 2> /dev/null)
endif
ifneq ($(filter rts $(PLATFORM_GOALS),$(MAKECMDGOALS)),)
ifeq ($(GCC_VERSION),)
# no valid toolchain found, output a warning message
$(warning *** Warning: no valid toolchain.)
endif
endif
# these must be computed after configuration variables are set; different
# options could lead to different multilib library directories
# GCC_MULTIDIR is the multilib directory inside the library search directory
# NOTE: this is different from "-print-multi-lib", which prints all multilibs
ifeq ($(OSTYPE),cmd)
GCC_MULTILIBS := $(shell SET "PATH=$(PATH)" && $(TOOLCHAIN_GCC) -print-multi-lib 2>nul)
GCC_MULTIDIR := $(shell SET "PATH=$(PATH)" && $(TOOLCHAIN_GCC) $(GCC_SWITCHES_PLATFORM) -print-multi-directory 2>nul)
LIBGCC_FILENAME := $(shell SET "PATH=$(PATH)" && $(TOOLCHAIN_GCC) $(GCC_SWITCHES_PLATFORM) -print-libgcc-file-name 2>nul)
else
GCC_MULTILIBS := $(shell PATH="$(PATH)" $(TOOLCHAIN_GCC) -print-multi-lib 2> /dev/null)
GCC_MULTIDIR := $(shell PATH="$(PATH)" $(TOOLCHAIN_GCC) $(GCC_SWITCHES_PLATFORM) -print-multi-directory 2> /dev/null)
LIBGCC_FILENAME := $(shell PATH="$(PATH)" $(TOOLCHAIN_GCC) $(GCC_SWITCHES_PLATFORM) -print-libgcc-file-name 2> /dev/null)
endif
# libm
LIBM_FILENAME := $(TOOLCHAIN_PREFIX)/$(TOOLCHAIN_NAME)/lib/$(GCC_MULTIDIR)/libm.a
# RTS
RTS_ROOT_PATH := $(RTS_BASE_PATH)/$(RTS)/$(TOOLCHAIN_NAME)
RTS_PATH := $(RTS_ROOT_PATH)/$(GCC_MULTIDIR)
ifeq ($(OSTYPE),cmd)
RTS_PATH_CMD := $(shell $(ECHO) $(RTS_PATH)| $(SED) -e "s|/|\\|g" -e "s|\.\\||g")
RTS_INSTALLED := $(shell IF EXIST "$(RTS_PATH_CMD)"\adainclude\system.ads (ECHO Y) ELSE (ECHO N))
else
RTS_INSTALLED := $(shell if [ -e "$(RTS_PATH)"/adainclude/system.ads ] ; then echo "Y" ; else echo "N" ; fi)
endif
################################################################################
# #
# Define toolchain components. #
# #
################################################################################
# basic toolchain executables
TOOLCHAIN_AS := $(TOOLCHAIN_PROGRAM_PREFIX)as$(EXEEXT)
TOOLCHAIN_ADAC := $(TOOLCHAIN_PROGRAM_PREFIX)gcc$(EXEEXT)
TOOLCHAIN_CC := $(TOOLCHAIN_PROGRAM_PREFIX)gcc$(EXEEXT)
TOOLCHAIN_CPP := $(TOOLCHAIN_PROGRAM_PREFIX)cpp$(EXEEXT)
TOOLCHAIN_GNATCHOP := $(TOOLCHAIN_PROGRAM_PREFIX)gnatchop$(EXEEXT)
TOOLCHAIN_GNATBIND := $(TOOLCHAIN_PROGRAM_PREFIX)gnatbind$(EXEEXT)
TOOLCHAIN_GNATLINK := $(TOOLCHAIN_PROGRAM_PREFIX)gnatlink$(EXEEXT)
TOOLCHAIN_GNATLS := $(TOOLCHAIN_PROGRAM_PREFIX)gnatls$(EXEEXT)
TOOLCHAIN_GNATPREP := $(TOOLCHAIN_PROGRAM_PREFIX)gnatprep$(EXEEXT)
TOOLCHAIN_GNATXREF := $(TOOLCHAIN_PROGRAM_PREFIX)gnatxref$(EXEEXT)
TOOLCHAIN_AR := $(TOOLCHAIN_PROGRAM_PREFIX)ar$(EXEEXT)
TOOLCHAIN_GDB := $(TOOLCHAIN_PROGRAM_PREFIX)gdb$(EXEEXT)
TOOLCHAIN_LD := $(TOOLCHAIN_PROGRAM_PREFIX)ld$(EXEEXT)
TOOLCHAIN_NM := $(TOOLCHAIN_PROGRAM_PREFIX)nm$(EXEEXT)
TOOLCHAIN_OBJCOPY := $(TOOLCHAIN_PROGRAM_PREFIX)objcopy$(EXEEXT)
TOOLCHAIN_OBJDUMP := $(TOOLCHAIN_PROGRAM_PREFIX)objdump$(EXEEXT)
TOOLCHAIN_RANLIB := $(TOOLCHAIN_PROGRAM_PREFIX)ranlib$(EXEEXT)
TOOLCHAIN_READELF := $(TOOLCHAIN_PROGRAM_PREFIX)readelf$(EXEEXT)
TOOLCHAIN_SIZE := $(TOOLCHAIN_PROGRAM_PREFIX)size$(EXEEXT)
TOOLCHAIN_STRIP := $(TOOLCHAIN_PROGRAM_PREFIX)strip$(EXEEXT)
ifneq ($(filter $(INFOCONFIG_GOALS),$(MAKECMDGOALS)),)
ifeq ($(OSTYPE),cmd)
AS_VERSION := $(shell SET "PATH=$(PATH)" && $(TOOLCHAIN_AS) --version 2>nul| $(SED) -e "2,$$d")
LD_VERSION := $(shell SET "PATH=$(PATH)" && $(TOOLCHAIN_LD) --version 2>nul| $(SED) -e "2,$$d")
else
AS_VERSION := $(shell PATH="$(PATH)" $(TOOLCHAIN_AS) --version 2> /dev/null | $(SED) -e "2,\$$d")
LD_VERSION := $(shell PATH="$(PATH)" $(TOOLCHAIN_LD) --version 2> /dev/null | $(SED) -e "2,\$$d")
endif
endif
# nature of compilers
TOOLCHAIN_ADAC += -x ada
# C compiler has no system libraries
TOOLCHAIN_CC += -ffreestanding
ifeq ($(ADA_MODE),ADA95)
TOOLCHAIN_ADAC += -gnat95
else ifeq ($(ADA_MODE),ADA05)
TOOLCHAIN_ADAC += -gnat2005
else ifeq ($(ADA_MODE),ADA12)
TOOLCHAIN_ADAC += -gnat2012
else ifeq ($(ADA_MODE),ADA22)
TOOLCHAIN_ADAC += -gnat2022
else
$(warning *** Warning: no valid ADA_MODE.)
endif
################################################################################
# #
# Basic toolchain commands and default switches. #
# #
################################################################################
AS := $(TOOLCHAIN_AS)
ADAC := $(TOOLCHAIN_ADAC)
CC := $(TOOLCHAIN_CC)
CPP := $(TOOLCHAIN_CPP)
GNATBIND := $(TOOLCHAIN_GNATBIND)
GNATCHOP := $(TOOLCHAIN_GNATCHOP)
GNATLINK := $(TOOLCHAIN_GNATLINK)
GNATLS := $(TOOLCHAIN_GNATLS)
GNATPREP := $(TOOLCHAIN_GNATPREP)
GNATXREF := $(TOOLCHAIN_GNATXREF)
AR := $(TOOLCHAIN_AR)
GDB := $(TOOLCHAIN_GDB)
LD := $(TOOLCHAIN_LD)
NM := $(TOOLCHAIN_NM)
OBJCOPY := $(TOOLCHAIN_OBJCOPY)
OBJDUMP := $(TOOLCHAIN_OBJDUMP)
RANLIB := $(TOOLCHAIN_RANLIB)
READELF := $(TOOLCHAIN_READELF)
SIZE := $(TOOLCHAIN_SIZE)
STRIP := $(TOOLCHAIN_STRIP)
# add RTS and import switches
ADAC += --RTS="$(RTS_PATH)"
GNATLS += --RTS="$(RTS_PATH)"
GNATBIND += --RTS="$(RTS_PATH)"
-include $(RTS_DIRECTORY)/$(RTS)/$(TOOLCHAIN_NAME)/rts.cs.in
export ADAC_SWITCHES_RTS
export CC_SWITCHES_RTS
# AS
AS_SWITCHES_DEFAULT +=
# ADAC
ADAC_SWITCHES_DEFAULT += $(ADAC_SWITCHES_RTS)
# CC
CC_SWITCHES_DEFAULT += $(CC_SWITCHES_RTS)
# CPP
CPP_SWITCHES_DEFAULT +=
# GNATBIND
GNATBIND_SWITCHES_DEFAULT += -nostdinc -nostdlib
# GNATCHOP
GNATCHOP_SWITCHES_DEFAULT +=
# GNATLINK
GNATLINK_SWITCHES_DEFAULT +=
# GNATLS
GNATLS_SWITCHES_DEFAULT +=
# GNATPREP
# retain all lines in the output source
GNATPREP_SWITCHES_DEFAULT += -c
# GNATXREF
GNATXREF_SWITCHES_DEFAULT +=
# AR
AR_SWITCHES_DEFAULT +=
# LD
LD_SWITCHES_DEFAULT += -Map $(KERNEL_BASENAME).map
LD_SWITCHES_DEFAULT += --cref
LD_SWITCHES_DEFAULT += --warn-common
LD_SWITCHES_DEFAULT += --warn-section-align
#LD_SWITCHES_DEFAULT += --no-warn-rwx-segments
LD_SWITCHES_DEFAULT += --print-memory-usage
LD_SWITCHES_DEFAULT += --gc-sections
LD_SWITCHES_DEFAULT += -g
# NM
NM_SWITCHES_DEFAULT +=
# OBJCOPY
OBJCOPY_SWITCHES_DEFAULT +=
# OBJDUMP
OBJDUMP_SWITCHES_DEFAULT += --demangle=gnat
# RANLIB
RANLIB_SWITCHES_DEFAULT +=
# READELF
# Allow output width to exceed 80 characters
READELF_SWITCHES_DEFAULT += --wide
# display the section details
#READELF_SWITCHES_DEFAULT += -t
# Equivalent to: -h -l -S -s -r -d -V -A -I
READELF_SWITCHES_DEFAULT += --all
# SIZE
SIZE_SWITCHES_DEFAULT += --format=sysv
SIZE_SWITCHES_DEFAULT += --radix=16
# STRIP
STRIP_SWITCHES_DEFAULT +=
################################################################################
# #
# GNATMAKE mode: import all settings. #
# GPRbuild mode: only define the executable to build the system. #
# #
################################################################################
ifeq ($(BUILD_MODE),GNATMAKE)
include gnatmake.tc.in
CONFIGURE_DEPS += gnatmake.tc.in
ifneq ($(filter $(INFOCONFIG_GOALS),$(MAKECMDGOALS)),)
ifeq ($(OSTYPE),cmd)
GNATMAKE_VERSION := $(shell SET "PATH=$(PATH)" && $(TOOLCHAIN_GNATMAKE) --version 2>nul|$(SED) -e "2,$$d")
else
GNATMAKE_VERSION := $(shell PATH="$(PATH)" $(TOOLCHAIN_GNATMAKE) --version 2> /dev/null | $(SED) -e "2,\$$d")
endif
endif
else ifeq ($(BUILD_MODE),GPRbuild)
GPRBUILD := gprbuild$(EXEEXT)
ifneq ($(filter $(INFOCONFIG_GOALS),$(MAKECMDGOALS)),)
ifeq ($(OSTYPE),cmd)
GPRBUILD_VERSION := $(shell SET "PATH=$(PATH)" && $(GPRBUILD) --version 2>nul|$(SED) -e "2,$$d")
else
GPRBUILD_VERSION := $(shell PATH="$(PATH)" $(GPRBUILD) --version 2> /dev/null | $(SED) -e "2,\$$d")
endif
endif
endif
################################################################################
# #
# Synthesize toolchain command lines with theirs own options/switches. #
# #
################################################################################
ADAC += $(ADAC_SWITCHES_DEFAULT) $(GCC_SWITCHES_PLATFORM)
AR += $(AR_SWITCHES_DEFAULT)
AS += $(AS_SWITCHES_DEFAULT) $(AS_SWITCHES_PLATFORM)
CC += $(CC_SWITCHES_DEFAULT) $(GCC_SWITCHES_PLATFORM)
CPP += $(CPP_SWITCHES_DEFAULT) $(GCC_SWITCHES_PLATFORM)
GNATBIND += $(GNATBIND_SWITCHES_DEFAULT)
GNATCHOP += $(GNATCHOP_SWITCHES_DEFAULT)
GNATLINK += $(GNATLINK_SWITCHES_DEFAULT)
GNATLS += $(GNATLS_SWITCHES_DEFAULT)
ifeq ($(BUILD_MODE),GNATMAKE)
GNATMAKE += $(ADAC_SWITCHES_DEFAULT)
GNATMAKE += $(GNATMAKE_SWITCHES_DEFAULT) $(GCC_SWITCHES_PLATFORM)
endif
GNATPREP += $(GNATPREP_SWITCHES_DEFAULT)
GNATXREF += $(GNATXREF_SWITCHES_DEFAULT)
LD += $(LD_SWITCHES_DEFAULT) $(LD_SWITCHES_PLATFORM)
NM += $(NM_SWITCHES_DEFAULT)
OBJCOPY += $(OBJCOPY_SWITCHES_DEFAULT) $(OBJCOPY_SWITCHES_PLATFORM)
OBJDUMP += $(OBJDUMP_SWITCHES_DEFAULT) $(OBJDUMP_SWITCHES_PLATFORM)
RANLIB += $(RANLIB_SWITCHES_DEFAULT)
READELF += $(READELF_SWITCHES_DEFAULT)
SIZE += $(SIZE_SWITCHES_DEFAULT)
STRIP += $(STRIP_SWITCHES_DEFAULT)
################################################################################
# #
# GCC-wrapper. #
# Required for output of assembler listings, expanded Ada code and Makefile #
# timestamps to trigger Ada binding. #
# #
################################################################################
# enable verbose assembler output in GCC wrapper (should begin with "-a")
GCC_WRAPPER_ASSEMBLER_OUTPUT := -adghlmns
export GCC_WRAPPER_ASSEMBLER_OUTPUT
################################################################################
# #
# GNAT-wrapper. #
# Required for "brief-mode" echoed commands and Makefile timestamps to trigger #
# Ada binding. #
# #
################################################################################
# brief command name label (see brief-command function in Makefile.fn.in)
# 123456789012_...
GNAT_WRAPPER_GCC_BRIEFTEXT := [GCC-WRAP] (+)
export GNAT_WRAPPER_GCC_BRIEFTEXT
# VERBOSE for GNAT-wrapper
GNAT_WRAPPER_VERBOSE := $(VERBOSE)
export GNAT_WRAPPER_VERBOSE
# GNAT-wrapper is not toolchain-specific, it needs to know the GCC executable
GNAT_WRAPPER_GCC_EXECUTABLE := $(TOOLCHAIN_PREFIX)/bin/$(TOOLCHAIN_GCC)
export GNAT_WRAPPER_GCC_EXECUTABLE
################################################################################
# #
# Filenames to check for compile or bind phase triggering (generated by the #
# GCC- or GNAT-wrapper). They end up nearly the same, but the object directory #
# is not implicitly prefixed when processing files in MAKEFILE/GNATMAKE mode. #
# #
################################################################################
ifeq ($(BUILD_MODE),GNATMAKE)
GCC_WRAPPER_TIMESTAMP_FILENAME :=
GNAT_WRAPPER_TIMESTAMP_FILENAME := $(OBJECT_DIRECTORY)/gnatmake.tmp
GCC_GNAT_WRAPPER_TIMESTAMP_FILENAME := $(GNAT_WRAPPER_TIMESTAMP_FILENAME)
else ifeq ($(BUILD_MODE),GPRbuild)
GCC_WRAPPER_TIMESTAMP_FILENAME := gccmake.tmp
GNAT_WRAPPER_TIMESTAMP_FILENAME :=
GCC_GNAT_WRAPPER_TIMESTAMP_FILENAME := $(OBJECT_DIRECTORY)/$(GCC_WRAPPER_TIMESTAMP_FILENAME)
endif
export GCC_WRAPPER_TIMESTAMP_FILENAME
export GNAT_WRAPPER_TIMESTAMP_FILENAME
ADAC += -wrapper "$(GCC_WRAPPER)"
CC += -wrapper "$(GCC_WRAPPER)"
ifeq ($(BUILD_MODE),GNATMAKE)
GNATMAKE += --GCC="$(GNAT_WRAPPER)" -cargs -wrapper "$(GCC_WRAPPER)" -margs
endif
################################################################################
# #
# Final toolchain setup. #
# #
################################################################################
# beautify compiler command lines
ADAC := $(filter-out ,$(ADAC))
CC := $(filter-out ,$(CC))
ifeq ($(BUILD_MODE),GNATMAKE)
GNATMAKE := $(filter-out ,$(GNATMAKE))
endif
# special back-end compiler for GNATBIND-generated Ada files without output of
# spurious warnings
ADAC_GNATBIND := $(filter-out $(ADAC_SWITCHES_STYLE),$(ADAC))
# avoid extraneous informations in .d files during VERBOSE mode
ifeq ($(BUILD_MODE),GNATMAKE)
GNATMAKE_DEPEND := $(filter-out -v,$(GNATMAKE))
endif