# Makefile for crosstool-NG.

# Copyright 2006 Yann E. MORIN <yann.morin.1998@anciens.enib.fr>

# Don't print directory as we descend into them

MAKEFLAGS += --no-print-directory

export CT_TOP_DIR=$(shell pwd)

# This is crosstool-ng version string

export CT_VERSION=$(shell cat $(CT_TOP_DIR)/version)

export CT_STOP=$(STOP)

export CT_RESTART=$(RESTART)

.PHONY: all

all: build

HOST_CC = gcc -funsigned-char

# Help system

help:: help-head help-config help-samples help-build help-distrib help-env help-tail

help-head::

	@echo  'Available make targets:'

help-config::

	@echo

	@echo  'Configuration targets:'

help-samples::

	@echo

	@echo  'Preconfigured targets:'

help-build::

	@echo

	@echo  'Build targets:'

help-distrib::

	@echo

	@echo  'Distribution targets:'

help-env::

	@echo

	@echo  'Environement variables (see docs/overview.txt):'

help-tail::

	@echo

	@echo  'Execute "make" or "make all" to build all targets marked with [*]'

# End help system

help-build::

	@echo  '* build          - Build the toolchain'

	@echo  '  clean          - Remove generated files'

	@echo  '  distclean      - Remove generated files, configuration and build directories'

include $(CT_TOP_DIR)/kconfig/Makefile

include $(CT_TOP_DIR)/samples/Makefile

include $(CT_TOP_DIR)/tools/Makefile

include $(CT_TOP_DIR)/Makefile.steps

help-distrib::

	@echo  '  tarball        - Build a tarball of the configured toolchain'

help-env::

	@echo  '  STOP           - Stop the build just after this step'

	@echo  '  RESTART        - Restart the build just before this step'

.config:

	@echo "You must run either one of \"make config\" or \"make menuconfig\" first"

	@false

# Actual build

build: .config

	@$(CT_TOP_DIR)/scripts/crosstool.sh

.PHONY: tarball

tarball:

	@$(CT_TOP_DIR)/scripts/tarball.sh

.PHONY: distclean

distclean:: clean

	@rm -f .config* ..config.tmp

	@rm -f log.*

	@[ ! -d "$(CT_TOP_DIR)/targets" ] || chmod -R u+w "$(CT_TOP_DIR)/targets"

	@rm -rf "$(CT_TOP_DIR)/targets"