[buildroot-mgba.git] / Makefile

# Makefile for buildroot2
#
# Copyright (C) 1999-2005 by Erik Andersen <[email protected]>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#

#--------------------------------------------------------------
# Just run 'make menuconfig', configure stuff, then run 'make'.
# You shouldn't need to mess with anything beyond this point...
#--------------------------------------------------------------
TOPDIR=./
CONFIG_CONFIG_IN=Config.in
CONFIG_DEFCONFIG=.defconfig
CONFIG=package/config
DATE:=$(shell date +%Y%m%d)

noconfig_targets:=menuconfig config oldconfig randconfig \
	defconfig allyesconfig allnoconfig release tags \
	source-check help


# Use shell variables, if defined
ifneq ($(BUILDROOT_LOCAL),)
BR2_LOCAL:=$(BUILDROOT_LOCAL)
else
BR2_LOCAL:=$(TOPDIR)/local
endif

# $(shell find . -name *_defconfig |sed 's/.*\///')
# Pull in the user's configuration file
ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
ifeq ($(BOARD),)
# if "make BOARD=xyz" command
-include .config
else
# if "make" command
-include $(BR2_LOCAL)/$(BOARD)/$(BOARD).config
endif
endif

# Override BR2_DL_DIR if shell variable defined
ifneq ($(BUILDROOT_DL_DIR),)
BR2_DL_DIR:=$(BUILDROOT_DL_DIR)
endif
LOCAL:=$(BR2_LOCAL)

# To put more focus on warnings, be less verbose as default
# Use 'make V=1' to see the full commands
ifdef V
  ifeq ("$(origin V)", "command line")
    KBUILD_VERBOSE=$(V)
  endif
endif
ifndef KBUILD_VERBOSE
  KBUILD_VERBOSE=0
endif

ifeq ($(KBUILD_VERBOSE),1)
  quiet=
  Q=
ifndef VERBOSE
  VERBOSE=1
endif
else
  quiet=quiet_
  Q=@
endif

CONFIG_SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
	else if [ -x /bin/bash ]; then echo /bin/bash; \
	else echo sh; fi; fi)

export CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE

ifndef HOSTAR
HOSTAR:=ar
endif
ifndef HOSTAS
HOSTAS:=as
endif
ifndef HOSTCC
HOSTCC:=gcc
else
endif
ifndef HOSTCXX
HOSTCXX:=g++
endif
ifndef HOSTFC
HOSTFC:=gfortran
endif
ifndef HOSTCPP
HOSTCPP:=cpp
endif
ifndef HOSTLD
HOSTLD:=ld
endif
ifndef HOSTLN
HOSTLN:=ln
endif
ifndef HOSTNM
HOSTNM:=nm
endif
HOSTAR:=$(shell $(CONFIG_SHELL) -c "which $(HOSTAR)" || type -p $(HOSTAR) || echo ar)
HOSTAS:=$(shell $(CONFIG_SHELL) -c "which $(HOSTAS)" || type -p $(HOSTAS) || echo as)
HOSTCC:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCC)" || type -p $(HOSTCC) || echo gcc)
HOSTCXX:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCXX)" || type -p $(HOSTCXX) || echo g++)
HOSTFC:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLD)" || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
HOSTCPP:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCPP)" || type -p $(HOSTCPP) || echo cpp)
HOSTLD:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLD)" || type -p $(HOSTLD) || echo ld)
HOSTLN:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLN)" || type -p $(HOSTLN) || echo ln)
HOSTNM:=$(shell $(CONFIG_SHELL) -c "which $(HOSTNM)" || type -p $(HOSTNM) || echo nm)
HOST_GLIB_BIN:=`dirname $(shell $(CONFIG_SHELL) -c "which glib-genmarshal" || echo /usr/bin/glib-genmarshal)`
HOST_GLIB:=$(shell $(CONFIG_SHELL) -c "dirname $(HOST_GLIB_BIN)" || echo /usr)


ifndef CFLAGS_FOR_BUILD
CFLAGS_FOR_BUILD:=-g -O2
endif
ifndef CXXFLAGS_FOR_BUILD
CXXFLAGS_FOR_BUILD:=-g -O2
endif
ifndef FCFLAGS_FOR_BUILD
FCFLAGS_FOR_BUILD:=-g -O2
endif
export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD


ifeq ($(BR2_HAVE_DOT_CONFIG),y)

# cc-option
# Usage: cflags-y+=$(call cc-option, -march=winchip-c6, -march=i586)
# sets -march=winchip-c6 if supported else falls back to -march=i586
# without checking the latter.
cc-option=$(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
	> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)

#############################################################
#
# Hide troublesome environment variables from sub processes
#
#############################################################
unexport CROSS_COMPILE
unexport ARCH

#############################################################
#
# Setup the proper filename extensions for the host
#
##############################################################
ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=
HOST_LIBEXT:=.a
HOST_SHREXT:=.so
endif
ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=
HOST_LIBEXT:=.a
HOST_SHREXT:=.dylib
endif
ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=.exe
HOST_LIBEXT:=.lib
HOST_SHREXT:=.dll
HOST_LOADLIBES="-lcurses -lintl"
export HOST_LOADLIBES
endif
ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=.exe
HOST_LIBEXT:=.lib
HOST_SHREXT:=.dll
endif

# The preferred type of libs we build for the target
ifeq ($(BR2_PREFER_STATIC_LIB),y)
LIBTGTEXT=.a
#PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
else
LIBTGTEXT=.so
#PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
endif
PREFERRED_LIB_FLAGS:=--enable-static --enable-shared

##############################################################
#
# The list of stuff to build for the target toolchain
# along with the packages to build for the target.
#
##############################################################
ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
BASE_TARGETS:=uclibc-configured binutils cross_compiler uclibc-target-utils kernel-headers
else
BASE_TARGETS:=uclibc kernel-headers
endif
TARGETS:=

# setup our pathes
include project/Makefile.in

BR2_DEPENDS_DIR=$(PROJECT_BUILD_DIR)/buildroot-config

include toolchain/Makefile.in
include package/Makefile.in

#############################################################
#
# You should probably leave this stuff alone unless you know
# what you are doing.
#
#############################################################

all: world

# In this section, we need .config
include .config.cmd

include project/*.mk

# We also need the various per-package makefiles, which also add
# each selected package to TARGETS if that package was selected
# in the .config file.
ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
# avoid pulling in external toolchain which is broken for toplvl parallel builds
# Explicit ordering:
include toolchain/dependencies/dependencies.mk
include toolchain/binutils/binutils.mk
include toolchain/ccache/ccache.mk
include toolchain/elf2flt/elf2flt.mk
include toolchain/gcc/gcc-uclibc-3.x.mk
include toolchain/gcc/gcc-uclibc-4.x.mk
include toolchain/gdb/gdb.mk
include toolchain/kernel-headers/kernel-headers.mk
include toolchain/mklibs/mklibs.mk
include toolchain/sstrip/sstrip.mk
include toolchain/uClibc/uclibc.mk
else
include toolchain/*/*.mk
endif

ifeq ($(BR2_PACKAGE_LINUX),y)
TARGETS+=linux26-modules
endif

include package/*/*.mk

TARGETS+=target-devfiles

# target stuff is last so it can override anything else
include target/Makefile.in

TARGETS+=erase-fakeroots 

TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
# all targets depend on the crosscompiler and it's prerequisites
$(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %

$(BR2_DEPENDS_DIR): .config
	rm -rf $@
	mkdir -p $(@D)
	cp -dpRf $(CONFIG)/buildroot-config $@

dirs: $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
	$(BR2_DEPENDS_DIR) \
	$(BINARIES_DIR) $(PROJECT_BUILD_DIR)

$(BASE_TARGETS): dirs

world: dependencies dirs target-host-info $(BASE_TARGETS) $(TARGETS_ALL)


.PHONY: all world dirs clean dirclean distclean source \
	$(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
	$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
	$(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
	$(BR2_DEPENDS_DIR) \
	$(BINARIES_DIR) $(PROJECT_BUILD_DIR)

#############################################################
#
# staging and target directories do NOT list these as
# dependencies anywhere else
#
#############################################################
$(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) \
	$(PROJECT_BUILD_DIR) $(BINARIES_DIR):
	@mkdir -p $@

$(STAGING_DIR):
	@mkdir -p $(STAGING_DIR)/bin
	@mkdir -p $(STAGING_DIR)/lib
ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
	@mkdir -p $(STAGING_DIR)/usr/lib
else
ifneq ($(BR2_TOOLCHAIN_EXTERNAL),y)
	@ln -snf . $(STAGING_DIR)/usr
	@mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
	@ln -snf ../lib $(STAGING_DIR)/usr/lib
	@ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
endif
endif
	@mkdir -p $(STAGING_DIR)/usr/include

$(PROJECT_BUILD_DIR)/.root:
	mkdir -p $(TARGET_DIR)
	if ! [ -d "$(TARGET_DIR)/bin" ]; then \
		if [ -d "$(TARGET_SKELETON)" ]; then \
			cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
		fi; \
		touch $(STAGING_DIR)/.fakeroot.00000; \
	fi
	-find $(TARGET_DIR) -type d -name CVS -o -name .svn | xargs rm -rf
	-find $(TARGET_DIR) -type f -name .empty | xargs rm -rf	
	touch $@

$(TARGET_DIR): $(PROJECT_BUILD_DIR)/.root

erase-fakeroots:
	rm -f $(PROJECT_BUILD_DIR)/.fakeroot*

target-devfiles:
ifeq ($(BR2_HAVE_DEVFILES),y)
	( scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
else
	rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/lib/pkgconfig
	find $(TARGET_DIR)/usr/lib -name '*.a' -delete 
	find $(TARGET_DIR)/lib -name '*.a' -delete 
	find $(TARGET_DIR)/usr/lib -name '*.la' -delete 
	find $(TARGET_DIR)/lib -name '*.la' -delete 
endif

source: $(TARGETS_SOURCE) $(HOST_SOURCE)

_source-check:
	$(MAKE) SPIDER=--spider source

external-deps:
	@$(MAKE) -Bs BR2_WGET=$(TOPDIR)/toolchain/wget-show-external-deps.sh \
		SPIDER=--spider source

#############################################################
#
# Cleanup and misc junk
#
#############################################################
clean: $(TARGETS_CLEAN)
	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)

dirclean: $(TARGETS_DIRCLEAN)
	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)

distclean:
ifeq ($(DL_DIR),$(BASE_DIR)/dl)
	rm -rf $(DL_DIR)
endif
	rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR) \
	$(LINUX_KERNEL) $(BASE_DIR)/include \
		.config.cmd
	$(MAKE) -C $(CONFIG) clean

sourceball:
	rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR)
	set -e; \
	cd ..; \
	rm -f buildroot.tar.bz2; \
	tar -cvf buildroot.tar buildroot; \
	bzip2 -9 buildroot.tar; \


else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)

all: menuconfig

# configuration
# ---------------------------------------------------------------------------

HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
export HOSTCFLAGS

$(CONFIG)/conf:
	@mkdir -p $(CONFIG)/buildroot-config
	$(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf
	-@if [ ! -f .config ]; then \
		cp $(CONFIG_DEFCONFIG) .config; \
	fi
$(CONFIG)/mconf:
	@mkdir -p $(CONFIG)/buildroot-config
	$(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf mconf
	-@if [ ! -f .config ]; then \
		cp $(CONFIG_DEFCONFIG) .config; \
	fi

menuconfig: $(CONFIG)/mconf
	@mkdir -p $(CONFIG)/buildroot-config
	@if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
		$(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
		test -f .config.cmd || rm -f .config; \
	fi

config: $(CONFIG)/conf
	@mkdir -p $(CONFIG)/buildroot-config
	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
		$(CONFIG)/conf $(CONFIG_CONFIG_IN)

oldconfig: $(CONFIG)/conf
	@mkdir -p $(CONFIG)/buildroot-config
	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
		$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)

randconfig: $(CONFIG)/conf
	@mkdir -p $(CONFIG)/buildroot-config
	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
		$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)

allyesconfig: $(CONFIG)/conf
	cat $(CONFIG_DEFCONFIG) > .config
	@mkdir -p $(CONFIG)/buildroot-config
	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
		$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
	#sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config

allnoconfig: $(CONFIG)/conf
	@mkdir -p $(CONFIG)/buildroot-config
	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
		$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)

defconfig: $(CONFIG)/conf
	@mkdir -p $(CONFIG)/buildroot-config
	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
		KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
		$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)

# check if download URLs are outdated
source-check: allyesconfig
	$(MAKE) _source-check

#############################################################
#
# Cleanup and misc junk
#
#############################################################
clean:
	rm -f .config .config.old .config.cmd .tmpconfig.h .lognr.*
	-$(MAKE) -C $(CONFIG) clean

distclean: clean
	rm -rf sources/*

endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)

%_defconfig: $(CONFIG)/conf
	cp $(shell find ./target/ -name $@) .config
	-@$(MAKE) oldconfig

update:
	cp .config $(BOARD_PATH)/$(BOARD_NAME)_defconfig

configured: dirs host-sed kernel-headers uclibc-config busybox-config linux26-config

prepatch:	gcc-patched binutils-patched gdb-patched uclibc-patched

.lognr.$(PROJECT):
	@echo "0" > .lognr.$(PROJECT)

log:	.lognr.$(PROJECT)
	@expr `cat .lognr.$(PROJECT)` + 1 > .lognr.$(PROJECT)	
	@echo Creating $(PROJECT)-`cat .lognr.$(PROJECT)`.log
	@$(MAKE) > $(PROJECT)-`cat .lognr.$(PROJECT)`.log 2>&1 


cross: $(BASE_TARGETS)

help:
	@echo 'Cleaning:'
	@echo '  clean                  - delete temporary files created by build'
	@echo '  distclean              - delete all non-source files (including .config)'
	@echo
	@echo 'Build:'
	@echo '  all                    - make world'
	@echo
	@echo 'Configuration:'
	@echo '  menuconfig             - interactive curses-based configurator'
	@echo '  oldconfig              - resolve any unresolved symbols in .config'
	@echo
	@echo 'Miscellaneous:'
	@echo '  source                 - download all sources needed for offline-build'
	@echo '  source-check           - check all packages for valid download URLs'
	@echo '  external-deps          - list external packages used'
	@echo
	@echo 'See docs/README and docs/buildroot.html for further details'
	@echo

.PHONY: dummy subdirs release distclean clean config oldconfig \
	menuconfig tags check test depend defconfig help
Commit	Line	Data
2d523c23	1	# Makefile for buildroot2
ffde94bd	2	#
15b26aee	3	# Copyright (C) 1999-2005 by Erik Andersen <[email protected]>
ffde94bd	4	#
08782ae7	5	# This program is free software; you can redistribute it and/or modify
2d523c23 EA	6	# it under the terms of the GNU General Public License as published by
	7	# the Free Software Foundation; either version 2 of the License, or
	8	# (at your option) any later version.
ffde94bd	9	#
2d523c23 EA	10	# This program is distributed in the hope that it will be useful,
2d523c23 EA	11	# but WITHOUT ANY WARRANTY; without even the implied warranty of
08782ae7	12	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2d523c23	13	# General Public License for more details.
ffde94bd	14	#
2d523c23 EA	15	# You should have received a copy of the GNU General Public License
	16	# along with this program; if not, write to the Free Software
	17	# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
3ad3d8a1	18	#
02bf5816	19
2d523c23 EA	20	#--------------------------------------------------------------
	21	# Just run 'make menuconfig', configure stuff, then run 'make'.
	22	# You shouldn't need to mess with anything beyond this point...
	23	#--------------------------------------------------------------
	24	TOPDIR=./
18d979c7 BRF	25	CONFIG_CONFIG_IN=Config.in
	26	CONFIG_DEFCONFIG=.defconfig
	27	CONFIG=package/config
a8ee1240	28	DATE:=$(shell date +%Y%m%d)
a0aef7c4	29
18d979c7	30	noconfig_targets:=menuconfig config oldconfig randconfig \
6547bced	31	defconfig allyesconfig allnoconfig release tags \
e491fba2	32	source-check help
9e250356	33
cad58108	34
a1b0651a	35	# Use shell variables, if defined
7521f373	36	ifneq ($(BUILDROOT_LOCAL),)
efd8576c	37	BR2_LOCAL:=$(BUILDROOT_LOCAL)
7521f373	38	else
2ad346ab	39	BR2_LOCAL:=$(TOPDIR)/local
a1b0651a US	40	endif
	41
	42	# $(shell find . -name _defconfig \|sed 's/.\///')
	43	# Pull in the user's configuration file
	44	ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
	45	ifeq ($(BOARD),)
	46	# if "make BOARD=xyz" command
d45f355d	47	-include .config
a1b0651a US	48	else
a1b0651a US	49	# if "make" command
efd8576c	50	-include $(BR2_LOCAL)/$(BOARD)/$(BOARD).config
a1b0651a	51	endif
7521f373	52	endif
9741a49e	53
efd8576c US	54	# Override BR2_DL_DIR if shell variable defined
	55	ifneq ($(BUILDROOT_DL_DIR),)
	56	BR2_DL_DIR:=$(BUILDROOT_DL_DIR)
	57	endif
	58	LOCAL:=$(BR2_LOCAL)
	59
afc61c6e BRF	60	# To put more focus on warnings, be less verbose as default
	61	# Use 'make V=1' to see the full commands
	62	ifdef V
	63	ifeq ("$(origin V)", "command line")
18d979c7	64	KBUILD_VERBOSE=$(V)
afc61c6e BRF	65	endif
	66	endif
	67	ifndef KBUILD_VERBOSE
18d979c7	68	KBUILD_VERBOSE=0
afc61c6e BRF	69	endif
	70
	71	ifeq ($(KBUILD_VERBOSE),1)
4df454e9	72	quiet=
18d979c7	73	Q=
1669b6ed BRF	74	ifndef VERBOSE
	75	VERBOSE=1
	76	endif
afc61c6e BRF	77	else
afc61c6e BRF	78	quiet=quiet_
18d979c7	79	Q=@
afc61c6e BRF	80	endif
afc61c6e BRF	81
18d979c7	82	CONFIG_SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
afc61c6e	83	else if [ -x /bin/bash ]; then echo /bin/bash; \
18d979c7	84	else echo sh; fi; fi)
afc61c6e	85
1669b6ed	86	export CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE
afc61c6e BRF	87
	88	ifndef HOSTAR
	89	HOSTAR:=ar
	90	endif
	91	ifndef HOSTAS
	92	HOSTAS:=as
	93	endif
	94	ifndef HOSTCC
	95	HOSTCC:=gcc
	96	else
	97	endif
	98	ifndef HOSTCXX
	99	HOSTCXX:=g++
	100	endif
5f97580e BRF	101	ifndef HOSTFC
	102	HOSTFC:=gfortran
	103	endif
356133b4 US	104	ifndef HOSTCPP
	105	HOSTCPP:=cpp
	106	endif
afc61c6e BRF	107	ifndef HOSTLD
	108	HOSTLD:=ld
	109	endif
0f9c5b11 US	110	ifndef HOSTLN
	111	HOSTLN:=ln
	112	endif
356133b4 US	113	ifndef HOSTNM
	114	HOSTNM:=nm
	115	endif
18d979c7 BRF	116	HOSTAR:=$(shell $(CONFIG_SHELL) -c "which $(HOSTAR)" \|\| type -p $(HOSTAR) \|\| echo ar)
	117	HOSTAS:=$(shell $(CONFIG_SHELL) -c "which $(HOSTAS)" \|\| type -p $(HOSTAS) \|\| echo as)
	118	HOSTCC:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCC)" \|\| type -p $(HOSTCC) \|\| echo gcc)
83832cda	119	HOSTCXX:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCXX)" \|\| type -p $(HOSTCXX) \|\| echo g++)
5f97580e	120	HOSTFC:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLD)" \|\| type -p $(HOSTLD) \|\| echo \|\| which g77 \|\| type -p g77 \|\| echo gfortran)
356133b4	121	HOSTCPP:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCPP)" \|\| type -p $(HOSTCPP) \|\| echo cpp)
18d979c7 BRF	122	HOSTLD:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLD)" \|\| type -p $(HOSTLD) \|\| echo ld)
18d979c7 BRF	123	HOSTLN:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLN)" \|\| type -p $(HOSTLN) \|\| echo ln)
356133b4	124	HOSTNM:=$(shell $(CONFIG_SHELL) -c "which $(HOSTNM)" \|\| type -p $(HOSTNM) \|\| echo nm)
54e93328 US	125	HOST_GLIB_BIN:=`dirname $(shell $(CONFIG_SHELL) -c "which glib-genmarshal" \|\| echo /usr/bin/glib-genmarshal)`
	126	HOST_GLIB:=$(shell $(CONFIG_SHELL) -c "dirname $(HOST_GLIB_BIN)" \|\| echo /usr)
	127
	128
afc61c6e	129	ifndef CFLAGS_FOR_BUILD
f987b7a5	130	CFLAGS_FOR_BUILD:=-g -O2
afc61c6e	131	endif
5f97580e BRF	132	ifndef CXXFLAGS_FOR_BUILD
	133	CXXFLAGS_FOR_BUILD:=-g -O2
	134	endif
	135	ifndef FCFLAGS_FOR_BUILD
	136	FCFLAGS_FOR_BUILD:=-g -O2
	137	endif
	138	export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
afc61c6e BRF	139
afc61c6e BRF	140
cfe511b2	141	ifeq ($(BR2_HAVE_DOT_CONFIG),y)
54e098e4	142
99cf7293	143	# cc-option
18d979c7	144	# Usage: cflags-y+=$(call cc-option, -march=winchip-c6, -march=i586)
99cf7293 BRF	145	# sets -march=winchip-c6 if supported else falls back to -march=i586
99cf7293 BRF	146	# without checking the latter.
18d979c7	147	cc-option=$(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
99cf7293 BRF	148	> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
99cf7293 BRF	149
2c649045 PK	150	#############################################################
	151	#
	152	# Hide troublesome environment variables from sub processes
	153	#
	154	#############################################################
	155	unexport CROSS_COMPILE
	156	unexport ARCH
27bc59d4	157
08782ae7 EA	158	#############################################################
08782ae7 EA	159	#
c6e43c9d	160	# Setup the proper filename extensions for the host
08782ae7	161	#
7dcbbfbb BRF	162	##############################################################
7dcbbfbb BRF	163	ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
c6e43c9d BRF	164	HOST_EXEEXT:=
	165	HOST_LIBEXT:=.a
	166	HOST_SHREXT:=.so
3096f34d	167	endif
7dcbbfbb	168	ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
c6e43c9d BRF	169	HOST_EXEEXT:=
	170	HOST_LIBEXT:=.a
	171	HOST_SHREXT:=.dylib
3096f34d	172	endif
7dcbbfbb	173	ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
c6e43c9d BRF	174	HOST_EXEEXT:=.exe
	175	HOST_LIBEXT:=.lib
	176	HOST_SHREXT:=.dll
2c279671 PK	177	HOST_LOADLIBES="-lcurses -lintl"
2c279671 PK	178	export HOST_LOADLIBES
3096f34d	179	endif
7dcbbfbb	180	ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
c6e43c9d BRF	181	HOST_EXEEXT:=.exe
	182	HOST_LIBEXT:=.lib
	183	HOST_SHREXT:=.dll
3096f34d	184	endif
cb7d5b81	185
c6e43c9d	186	# The preferred type of libs we build for the target
3096f34d	187	ifeq ($(BR2_PREFER_STATIC_LIB),y)
c6e43c9d	188	LIBTGTEXT=.a
8027784c	189	#PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
3096f34d	190	else
c6e43c9d	191	LIBTGTEXT=.so
8027784c	192	#PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
3096f34d	193	endif
8027784c	194	PREFERRED_LIB_FLAGS:=--enable-static --enable-shared
ffde94bd	195
6ad07203	196	##############################################################
7dcbbfbb BRF	197	#
	198	# The list of stuff to build for the target toolchain
	199	# along with the packages to build for the target.
	200	#
	201	##############################################################
4b0d5a80	202	ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
3d8919a1	203	BASE_TARGETS:=uclibc-configured binutils cross_compiler uclibc-target-utils kernel-headers
7dcbbfbb	204	else
f85cd12c	205	BASE_TARGETS:=uclibc kernel-headers
7dcbbfbb	206	endif
acc706b7 BRF	207	TARGETS:=
acc706b7 BRF	208
18d979c7	209	# setup our pathes
f958d897	210	include project/Makefile.in
1dbe6e33 BRF	211
	212	BR2_DEPENDS_DIR=$(PROJECT_BUILD_DIR)/buildroot-config
	213
7dcbbfbb BRF	214	include toolchain/Makefile.in
	215	include package/Makefile.in
	216
	217	#############################################################
	218	#
	219	# You should probably leave this stuff alone unless you know
	220	# what you are doing.
	221	#
	222	#############################################################
	223
6547bced	224	all: world
ffde94bd	225
2d523c23 EA	226	# In this section, we need .config
	227	include .config.cmd
	228
f958d897 US	229	include project/*.mk
f958d897 US	230
d06645d8 EA	231	# We also need the various per-package makefiles, which also add
	232	# each selected package to TARGETS if that package was selected
	233	# in the .config file.
4b0d5a80	234	ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
acc706b7	235	# avoid pulling in external toolchain which is broken for toplvl parallel builds
57310ec6 BRF	236	# Explicit ordering:
	237	include toolchain/dependencies/dependencies.mk
	238	include toolchain/binutils/binutils.mk
	239	include toolchain/ccache/ccache.mk
	240	include toolchain/elf2flt/elf2flt.mk
	241	include toolchain/gcc/gcc-uclibc-3.x.mk
	242	include toolchain/gcc/gcc-uclibc-4.x.mk
	243	include toolchain/gdb/gdb.mk
	244	include toolchain/kernel-headers/kernel-headers.mk
	245	include toolchain/mklibs/mklibs.mk
	246	include toolchain/sstrip/sstrip.mk
	247	include toolchain/uClibc/uclibc.mk
acc706b7	248	else
d06645d8	249	include toolchain//.mk
acc706b7 BRF	250	endif
acc706b7 BRF	251
62b5ae4b SH	252	ifeq ($(BR2_PACKAGE_LINUX),y)
	253	TARGETS+=linux26-modules
	254	endif
acc706b7	255
d06645d8	256	include package//.mk
d06645d8	257
d45de0ca JV	258	TARGETS+=target-devfiles
d45de0ca JV	259
79f5f1e8 EA	260	# target stuff is last so it can override anything else
	261	include target/Makefile.in
	262
d45de0ca	263	TARGETS+=erase-fakeroots
c2fc93bc	264
08782ae7	265	TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
3b08e64d	266	TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
08782ae7	267	TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
b3efde23	268	TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
acc706b7	269	# all targets depend on the crosscompiler and it's prerequisites
b3efde23	270	$(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
acc706b7	271
1dbe6e33 BRF	272	$(BR2_DEPENDS_DIR): .config
1dbe6e33 BRF	273	rm -rf $@
b3efde23	274	mkdir -p $(@D)
1dbe6e33 BRF	275	cp -dpRf $(CONFIG)/buildroot-config $@
1dbe6e33 BRF	276
5ef9e52b	277	dirs: $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
1dbe6e33	278	$(BR2_DEPENDS_DIR) \
5ef9e52b	279	$(BINARIES_DIR) $(PROJECT_BUILD_DIR)
f958d897	280
5ef9e52b	281	$(BASE_TARGETS): dirs
f958d897	282
b3efde23	283	world: dependencies dirs target-host-info $(BASE_TARGETS) $(TARGETS_ALL)
ffde94bd	284
5ef9e52b	285
f958d897	286	.PHONY: all world dirs clean dirclean distclean source \
b3efde23	287	$(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
747b16dd	288	$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
5ef9e52b	289	$(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
1dbe6e33	290	$(BR2_DEPENDS_DIR) \
5ef9e52b	291	$(BINARIES_DIR) $(PROJECT_BUILD_DIR)
ffde94bd	292
08782ae7 EA	293	#############################################################
08782ae7 EA	294	#
ef407d3d	295	# staging and target directories do NOT list these as
d99c31c6	296	# dependencies anywhere else
08782ae7 EA	297	#
08782ae7 EA	298	#############################################################
5ef9e52b	299	$(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) \
c6771dfb	300	$(PROJECT_BUILD_DIR) $(BINARIES_DIR):
8d583fc0	301	@mkdir -p $@
3ad3d8a1	302
08782ae7	303	$(STAGING_DIR):
9c865d75	304	@mkdir -p $(STAGING_DIR)/bin
bf38723f	305	@mkdir -p $(STAGING_DIR)/lib
7e0c890c	306	ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
8027784c BRF	307	@mkdir -p $(STAGING_DIR)/usr/lib
8027784c BRF	308	else
f5905dc9	309	ifneq ($(BR2_TOOLCHAIN_EXTERNAL),y)
8027784c BRF	310	@ln -snf . $(STAGING_DIR)/usr
8027784c BRF	311	@mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
3da708e4	312	@ln -snf ../lib $(STAGING_DIR)/usr/lib
8027784c	313	@ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
f5905dc9	314	endif
8027784c BRF	315	endif
8027784c BRF	316	@mkdir -p $(STAGING_DIR)/usr/include
ffde94bd	317
c6771dfb	318	$(PROJECT_BUILD_DIR)/.root:
7547c7eb	319	mkdir -p $(TARGET_DIR)
f0ca4b82 BRF	320	if ! [ -d "$(TARGET_DIR)/bin" ]; then \
f0ca4b82 BRF	321	if [ -d "$(TARGET_SKELETON)" ]; then \
18d979c7	322	cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
74cda1e4	323	fi; \
18d979c7	324	touch $(STAGING_DIR)/.fakeroot.00000; \
f0ca4b82	325	fi
e0137736	326	-find $(TARGET_DIR) -type d -name CVS -o -name .svn \| xargs rm -rf
6a262b14	327	-find $(TARGET_DIR) -type f -name .empty \| xargs rm -rf
7547c7eb	328	touch $@
08782ae7	329
1dbe6e33	330	$(TARGET_DIR): $(PROJECT_BUILD_DIR)/.root
c6771dfb	331
c2fc93bc	332	erase-fakeroots:
5d2be049	333	rm -f $(PROJECT_BUILD_DIR)/.fakeroot*
412ca2a4	334
bc67ca29	335	target-devfiles:
d45de0ca JV	336	ifeq ($(BR2_HAVE_DEVFILES),y)
d45de0ca JV	337	( scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
bc67ca29	338	else
926646d9	339	rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/lib/pkgconfig
d45de0ca JV	340	find $(TARGET_DIR)/usr/lib -name '*.a' -delete
	341	find $(TARGET_DIR)/lib -name '*.a' -delete
	342	find $(TARGET_DIR)/usr/lib -name '*.la' -delete
	343	find $(TARGET_DIR)/lib -name '*.la' -delete
bc67ca29 JV	344	endif
bc67ca29 JV	345
3b08e64d	346	source: $(TARGETS_SOURCE) $(HOST_SOURCE)
08782ae7	347
6547bced	348	_source-check:
e7c08c29	349	$(MAKE) SPIDER=--spider source
825ff341	350
155971e0	351	external-deps:
2ad346ab	352	@$(MAKE) -Bs BR2_WGET=$(TOPDIR)/toolchain/wget-show-external-deps.sh \
bcad6288	353	SPIDER=--spider source
155971e0	354
08782ae7 EA	355	#############################################################
	356	#
	357	# Cleanup and misc junk
	358	#
	359	#############################################################
	360	clean: $(TARGETS_CLEAN)
3ad3d8a1	361	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
08782ae7 EA	362
08782ae7 EA	363	dirclean: $(TARGETS_DIRCLEAN)
3ad3d8a1	364	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
08782ae7 EA	365
08782ae7 EA	366	distclean:
5bc1f0c3 MF	367	ifeq ($(DL_DIR),$(BASE_DIR)/dl)
	368	rm -rf $(DL_DIR)
	369	endif
6547bced	370	rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR) \
db8eecfc	371	$(LINUX_KERNEL) $(BASE_DIR)/include \
81df2264	372	.config.cmd
b5136193	373	$(MAKE) -C $(CONFIG) clean
08782ae7	374
3ad3d8a1	375	sourceball:
6547bced	376	rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR)
08782ae7 EA	377	set -e; \
	378	cd ..; \
	379	rm -f buildroot.tar.bz2; \
	380	tar -cvf buildroot.tar buildroot; \
	381	bzip2 -9 buildroot.tar; \
2d523c23 EA	382
2d523c23 EA	383
cfe511b2	384	else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
2d523c23 EA	385
	386	all: menuconfig
	387
	388	# configuration
	389	# ---------------------------------------------------------------------------
	390
c0d7d4e0 BRF	391	HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
	392	export HOSTCFLAGS
	393
2d523c23	394	$(CONFIG)/conf:
1dbe6e33	395	@mkdir -p $(CONFIG)/buildroot-config
fb2c8fec	396	$(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf
18d979c7	397	-@if [ ! -f .config ]; then \
2d523c23 EA	398	cp $(CONFIG_DEFCONFIG) .config; \
	399	fi
	400	$(CONFIG)/mconf:
1dbe6e33	401	@mkdir -p $(CONFIG)/buildroot-config
fb2c8fec	402	$(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf mconf
18d979c7	403	-@if [ ! -f .config ]; then \
2d523c23 EA	404	cp $(CONFIG_DEFCONFIG) .config; \
	405	fi
	406
	407	menuconfig: $(CONFIG)/mconf
7b403ada	408	@mkdir -p $(CONFIG)/buildroot-config
153b1bea	409	@if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
62b5ae4b	410	KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
153b1bea BRF	411	$(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
	412	test -f .config.cmd \|\| rm -f .config; \
	413	fi
2d523c23 EA	414
2d523c23 EA	415	config: $(CONFIG)/conf
7b403ada	416	@mkdir -p $(CONFIG)/buildroot-config
62b5ae4b SH	417	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
62b5ae4b SH	418	KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
f987b7a5	419	$(CONFIG)/conf $(CONFIG_CONFIG_IN)
2d523c23 EA	420
2d523c23 EA	421	oldconfig: $(CONFIG)/conf
7b403ada	422	@mkdir -p $(CONFIG)/buildroot-config
62b5ae4b SH	423	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
62b5ae4b SH	424	KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
f987b7a5	425	$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
2d523c23 EA	426
2d523c23 EA	427	randconfig: $(CONFIG)/conf
7b403ada	428	@mkdir -p $(CONFIG)/buildroot-config
62b5ae4b SH	429	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
62b5ae4b SH	430	KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
f987b7a5	431	$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
2d523c23 EA	432
2d523c23 EA	433	allyesconfig: $(CONFIG)/conf
f987b7a5	434	cat $(CONFIG_DEFCONFIG) > .config
7b403ada	435	@mkdir -p $(CONFIG)/buildroot-config
62b5ae4b SH	436	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
62b5ae4b SH	437	KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
f987b7a5	438	$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
2d523c23	439	#sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
2d523c23 EA	440
2d523c23 EA	441	allnoconfig: $(CONFIG)/conf
7b403ada	442	@mkdir -p $(CONFIG)/buildroot-config
62b5ae4b SH	443	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
62b5ae4b SH	444	KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
f987b7a5	445	$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
2d523c23 EA	446
2d523c23 EA	447	defconfig: $(CONFIG)/conf
7b403ada	448	@mkdir -p $(CONFIG)/buildroot-config
62b5ae4b SH	449	@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
62b5ae4b SH	450	KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
f987b7a5	451	$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
2d523c23	452
6547bced	453	# check if download URLs are outdated
825ff341 BRF	454	source-check: allyesconfig
	455	$(MAKE) _source-check
	456
2d523c23 EA	457	#############################################################
	458	#
	459	# Cleanup and misc junk
	460	#
	461	#############################################################
	462	clean:
84518dc8	463	rm -f .config .config.old .config.cmd .tmpconfig.h .lognr.*
18d979c7	464	-$(MAKE) -C $(CONFIG) clean
2d523c23 EA	465
	466	distclean: clean
	467	rm -rf sources/*
	468
cfe511b2	469	endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
2d523c23	470
ba2e7e02 BRF	471	%_defconfig: $(CONFIG)/conf
ba2e7e02 BRF	472	cp $(shell find ./target/ -name $@) .config
8820d63a	473	-@$(MAKE) oldconfig
ba2e7e02	474
82c92e1e US	475	update:
	476	cp .config $(BOARD_PATH)/$(BOARD_NAME)_defconfig
	477
5459a9c5	478	configured: dirs host-sed kernel-headers uclibc-config busybox-config linux26-config
b8f28d65	479
126bb72f US	480	prepatch: gcc-patched binutils-patched gdb-patched uclibc-patched
126bb72f US	481
84518dc8	482	.lognr.$(PROJECT):
9220e90b	483	@echo "0" > .lognr.$(PROJECT)
def8b8d1	484
84518dc8	485	log: .lognr.$(PROJECT)
9220e90b	486	@expr `cat .lognr.$(PROJECT)` + 1 > .lognr.$(PROJECT)
84518dc8	487	@echo Creating $(PROJECT)-`cat .lognr.$(PROJECT)`.log
552c0d19	488	@$(MAKE) > $(PROJECT)-`cat .lognr.$(PROJECT)`.log 2>&1
9220e90b	489
195df2e1	490
b8f28d65 US	491	cross: $(BASE_TARGETS)
b8f28d65 US	492
e491fba2 BRF	493	help:
	494	@echo 'Cleaning:'
	495	@echo ' clean - delete temporary files created by build'
	496	@echo ' distclean - delete all non-source files (including .config)'
	497	@echo
	498	@echo 'Build:'
	499	@echo ' all - make world'
	500	@echo
	501	@echo 'Configuration:'
	502	@echo ' menuconfig - interactive curses-based configurator'
	503	@echo ' oldconfig - resolve any unresolved symbols in .config'
	504	@echo
	505	@echo 'Miscellaneous:'
	506	@echo ' source - download all sources needed for offline-build'
03380402	507	@echo ' source-check - check all packages for valid download URLs'
155971e0	508	@echo ' external-deps - list external packages used'
e491fba2	509	@echo
232fa7ee	510	@echo 'See docs/README and docs/buildroot.html for further details'
663dee48	511	@echo
ba2e7e02	512
2d523c23	513	.PHONY: dummy subdirs release distclean clean config oldconfig \
e491fba2	514	menuconfig tags check test depend defconfig help
50cbb4a1	515