crosstool-ng/ct-ng.in

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#!@@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
MAKEFLAGS += --no-print-directory --no-builtin-rules
# Remember the name of the Makefile
CT_MAKEFILE := $(lastword $(MAKEFILE_LIST))
CT_NG := $(shell echo '$(CT_MAKEFILE)' |sed -r -e 's,($(subst :,|,$(PATH)))/,,;')
export CT_TOP_DIR:=$(shell pwd)
export CT_LIB_DIR:=@@CT_LIBDIR@@
export CT_DOC_DIR:=@@CT_DOCDIR@@
# This is crosstool-NG version string
export CT_VERSION:=$(shell cat $(CT_LIB_DIR)/.version)
export CT_STOP:=$(STOP)
export CT_RESTART:=$(RESTART)
.PHONY: $(PHONY)
PHONY += all
all: help
HOST_CC := gcc -funsigned-char
# Help system
help:: help-head help-config help-samples help-build help-clean help-distrib help-env help-tail
help-head::
@echo 'Available actions:'
help-config::
@echo
@echo 'Configuration actions:'
help-samples::
@echo
@echo 'Preconfigured toolchains:'
help-build::
@echo
@echo 'Build actions (#: force number of // jobs):'
help-clean::
@echo
@echo 'Clean actions:'
help-distrib::
@echo
@echo 'Distribution actions:'
help-env::
@echo
@echo 'Environement variables (see @@CT_DOCDIR@@/overview.txt):'
help-tail::
@echo
@echo 'Execute "$(CT_NG) config" or "$(CT_NG) menuconfig" to configure crosstool-NG'
@echo 'Execute "$(CT_NG) build" to build your toolchain'
@echo 'Execute "$(CT_NG) version" to see the version'
@echo 'See "man 1 ct-ng" for some help as well'
# End help system
help-build::
@echo ' build[.#] - Build the 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 $(CT_LIB_DIR)/tools/tools.mk
help-distrib::
@echo ' tarball - Build a tarball of the configured toolchain'
help-env::
@echo ' STOP - Stop the build just after this step'
@echo ' RESTART - Restart the build just before this step'
.config:
@echo 'You must run either one of "$(CT_NG) config" or "$(CT_NG) menuconfig" first'
@false
# Actual build
ifeq ($(CT_JOBS),)
CT_JOBS:=1
endif
export CT_JOBS
build:: .config
@$(CT_LIB_DIR)/scripts/crosstool.sh
build.%::
@$(CT_NG) $(shell echo "$(@)" |sed -r -e 's|^([^.]+)\.([[:digit:]]+)$$|\1 CT_JOBS=\2|;')
PHONY += tarball
#tarball:
# @$(CT_LIB_DIR)/scripts/tarball.sh
tarball:
@echo 'Tarbal creation disabled for now... Sorry.'
@true
PHONY += version
version:
@echo 'This is crosstool-NG version $(CT_VERSION)'
PHONY += clean
clean::
@rm -f $(CT_TOP_DIR)/.config.*
PHONY += distclean
distclean:: clean
@rm -f $(CT_TOP_DIR)/.config* $(CT_TOP_DIR)/..config.tmp
@rm -f $(CT_TOP_DIR)/log.*
@[ ! -d "$(CT_TOP_DIR)/targets" ] || chmod -R u+w "$(CT_TOP_DIR)/targets"
@rm -rf "$(CT_TOP_DIR)/targets"