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#!@@CT_make@@ -rf
# Makefile for crosstool-NG.
# Copyright 2006 Yann E. MORIN <yann.morin.1998@free.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:=$(abspath $(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 $(CT_LIB_DIR)/paths.mk
# Some distributions (eg. Ubuntu) thought it wise to point /bin/sh to
# a truly POSIX-conforming shell, ash in this case. This is not so good
# as we, smart (haha!) developers (as smart we ourselves think we are),
# got used to bashisms, and are inclined to easiness... So force use of
# bash.
export SHELL=$(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 available to scripts/crostool-NG.sh
export CT_STOP:=$(STOP)
export CT_RESTART:=$(RESTART)
SILENT=@
CT_ECHO=echo
ifeq ($(strip $(origin V)),command line)
ifeq ($(strip $(V)),0)
SILENT=@
CT_ECHO=:
else
ifeq ($(strip $(V)),1)
SILENT=
CT_ECHO=:
else
ifeq ($(strip $(V)),2)
SILENT=
CT_ECHO=echo
endif # V == 2
endif # V== 1
endif # V == 0
endif # origin V
export V SILENT CT_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 'Environment 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 $(notdir $(CT_NG))" for some help as well'
help-build::
@echo ' source - Download sources for currently configured toolchain'
@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)/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::
help-env::
@echo ' V=0|1|2|<unset> - <unset> show only human-readable messages (default)'
@echo ' 0 => do not show commands or human-readable message'
@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/showConfig.sh '$${CT_TARGET}'
# Actual build
source: .config
$(SILENT)CT_SOURCE=y $(bash) $(CT_LIB_DIR)/scripts/crosstool-NG.sh
build: .config
$(SILENT)$(bash) $(CT_LIB_DIR)/scripts/crosstool-NG.sh
build.%:
$(SILENT)$(MAKE) -rf $(CT_NG) build CT_JOBS=$*
PHONY += version
version:
@echo 'This is crosstool-NG version $(CT_VERSION)'
@echo
@echo 'Copyright (C) 2008 Yann E. MORIN <yann.morin.1998@free.fr>'
@echo 'This is free software; see the source for copying conditions.'
@echo 'There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A'
@echo 'PARTICULAR PURPOSE.'
@echo
PHONY += clean
clean::
@$(CT_ECHO) " CLEAN log"
$(SILENT)rm -f build.log
@$(CT_ECHO) " CLEAN build dir"
$(SILENT)[ ! -d targets ] || chmod -R u+w targets
$(SILENT)[ ! -d .build ] || chmod -R u+w .build
$(SILENT)rm -rf targets .build .build-all
PHONY += distclean
distclean:: clean
@$(CT_ECHO) " CLEAN .config"
$(SILENT)rm -f .config .config.* ..config*