# 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"