#!@@CT_make@@ -rf

# Makefile for crosstool-NG.

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

# Don't print directory as we descend into them

# Don't use built-in rules, we know what we're doing

MAKEFLAGS += --no-print-directory --no-builtin-rules

# Don't go parallel

.NOTPARALLEL:

# This is where ct-ng is:

export CT_NG:=$(lastword $(MAKEFILE_LIST))

# and this is where we're working in:

export CT_TOP_DIR:=$(shell pwd)

# Paths and values set by ./configure

# Don't bother to change it other than with a new ./configure!

export CT_LIB_DIR:=@@CT_LIBDIR@@

export CT_DOC_DIR:=@@CT_DOCDIR@@

# This is crosstool-NG version string

export CT_VERSION:=@@CT_VERSION@@

# Paths found by ./configure

include $(CT_LIB_DIR)/paths.mk

# Some distributions (eg. Ubuntu) thought it wise to point /bin/sh to

# a truly POSIX-conforming shell, ash in this case. This is not so good

# as we, smart (haha!) developers (as smart we ourselves think we are),

# got used to bashisms, and are enclined to easiness... So force use of

# bash.

export SHELL=$(bash)

# GREP_OPTIONS=--color=always will break the generated .in files

# We do not need any GREP_OPTIONS anyway, so set it to empty.

export GREP_OPTIONS=

# Make the restart/stop steps availabe to scripts/crostool-NG.sh

export CT_STOP:=$(STOP)

export CT_RESTART:=$(RESTART)

SILENT=@

ECHO=echo

ifeq ($(strip $(origin V)),command line)

  ifeq ($(strip $(V)),0)

    SILENT=@

    ECHO=:

  else

    ifeq ($(strip $(V)),1)

      SILENT=

      ECHO=:

    else

      ifeq ($(strip $(V)),2)

        SILENT=

        ECHO=echo

      endif # V == 2

    endif # V== 1

  endif # V == 0

endif # origin V

export V SILENT ECHO

all: help

.PHONY: $(PHONY)

PHONY += all

FORCE:

# Help system

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

help-head:: version

	@echo  'See below for a list of available actions, listed by category:'

help-config::

	@echo

	@echo  'Configuration actions:'

help-samples::

	@echo

	@echo  'Preconfigured toolchains (#: force number of // jobs):'

help-build::

	@echo

	@echo  'Build actions (#: force number of // jobs):'

help-clean::

	@echo

	@echo  'Clean actions:'

help-distrib::

	@echo

	@echo  'Distribution actions:'

help-env::

	@echo

	@echo  'Environement variables (see @@CT_DOCDIR@@/0 - Table of content.txt):'

help-tail::

	@echo

	@echo  'Use action "menuconfig" to configure your toolchain'

	@echo  'Use action "build" to build your toolchain'

	@echo  'Use action "version" to see the version'

	@echo  'See "man 1 ct-ng" for some help as well'

help-build::

	@echo  '  build[.#]          - Build the currently configured toolchain'

help-clean::

	@echo  '  clean              - Remove generated files'

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

include $(CT_LIB_DIR)/config/config.mk

include $(CT_LIB_DIR)/kconfig/kconfig.mk

include $(CT_LIB_DIR)/steps.mk

include $(CT_LIB_DIR)/samples/samples.mk

include $(CT_LIB_DIR)/scripts/scripts.mk

help-config::

	@echo  '  show-tuple         - Print the tuple of the currently configured toolchain'

help-distrib::

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

help-env::

	@echo  '  V=0|1|2            - 0 => show only human-readable messages (default)'

	@echo  '                       1 => show only the commands being executed'

	@echo  '                       2 => show both'

# End help system

.config:

	@echo "There is no existing .config file!"

	@echo "You need to either run 'menuconfig',"

	@echo "or configure an existing sample."

	@false

show-tuple: .config

	$(SILENT)$(bash) $(CT_LIB_DIR)/scripts/showTuple.sh

# Actual build

build: .config

	$(SILENT)$(CT_LIB_DIR)/scripts/crosstool-NG.sh

build.%:

	$(SILENT)$(MAKE) -rf $(CT_NG) $(shell echo "$(@)" |$(sed) -r -e 's|^([^.]+)\.([[:digit:]]+)$$|\1 CT_JOBS=\2|;')

PHONY += tarball

#tarball:

#	@$(CT_LIB_DIR)/scripts/tarball.sh

tarball:

	@echo 'Tarball creation disabled for now... Sorry.'

	@true

PHONY += version

version:

	@echo 'This is crosstool-NG version $(CT_VERSION)'

	@echo

	@echo 'Copyright (C) 2008  Yann E. MORIN <yann.morin.1998@anciens.enib.fr>'

	@echo 'This is free software; see the source for copying conditions.'

	@echo 'There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A'

	@echo 'PARTICULAR PURPOSE.'

	@echo

PHONY += clean

clean::

	@$(ECHO) "  CLEAN log"

	$(SILENT)rm -f log.* .config.* ..config*

PHONY += distclean

distclean:: clean

	@$(ECHO) "  CLEAN .config"

	$(SILENT)rm -f .config .config.* ..config*

	@$(ECHO) "  CLEAN build dir"

	$(SILENT)[ ! -d targets ] || chmod -R u+w targets

	$(SILENT)[ ! -d .build  ] || chmod -R u+w .build

	$(SILENT)rm -rf targets .build