crosstool-ng/ct-ng.in

#!@@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

# 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. (Note: this is ugly, but ./configure checks for it).
export SHELL=/bin/bash

# This is where ct-ng is.
# Don't bother to change it other than with a new ./configure!
CT_NG:=@@CT_BINDIR@@/ct-ng

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:=@@CT_VERSION@@

export CT_STOP:=$(STOP)
export CT_RESTART:=$(RESTART)

ifeq ($(strip $(V)),)
  SILENT=@
  ECHO=echo
else
  ifeq ($(strip $(V)),0)
    SILENT=@
    ECHO=:
  else
    ifeq ($(strip $(V)),1)
      SILENT=
      ECHO=:
    endif
  endif
endif
export V

.FORCE:
.PHONY: $(PHONY)
PHONY += all
all: help

# 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:'

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  'Use action "config" or "menuconfig" to configure crosstool-NG'
	@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 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)/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'

# End help system

.config:
	@echo ' There is no existing .config file!'
	@false

# Actual build
build: .config
	$(SILENT)$(CT_LIB_DIR)/scripts/crosstool.sh

build.%:
	$(SILENT)$(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::
	$(SILENT)rm -f .config.*

PHONY += distclean
distclean:: clean
	@$(ECHO) "  CLEAN .config log"
	$(SILENT)rm -f .config* ..config.tmp
	$(SILENT)rm -f log.*
	@$(ECHO) "  CLEAN targets"
	$(SILENT)chmod -R u+w targets >/dev/null 2>&1 || true
	$(SILENT)rm -rf targets