Makefile - buildroot - Git at Google

 # Makefile for buildroot2
 #
 # Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
 # Copyright (C) 2006-2009 by the Buildroot developers <buildroot@uclibc.org>
 #
 # 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

 # we want bash as shell
 SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
 	else if [ -x /bin/bash ]; then echo /bin/bash; \
 	else echo sh; fi; fi)

 # kconfig uses CONFIG_SHELL
 CONFIG_SHELL:=$(SHELL)

 export SHELL 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 which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
 HOSTAS:=$(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
 HOSTCC:=$(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
 HOSTCXX:=$(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
 HOSTFC:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
 HOSTCPP:=$(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
 HOSTLD:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
 HOSTLN:=$(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
 HOSTNM:=$(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
 HOST_GLIB_BIN:=`dirname $(shell which glib-genmarshal || echo /usr/bin/glib-genmarshal)`
 HOST_GLIB:=$(shell 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
 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) \
 	$(PROJECT_BUILD_DIR)/autotools-stamps

 $(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) \
 	$(PROJECT_BUILD_DIR)/autotools-stamps

 #############################################################
 #
 # staging and target directories do NOT list these as
 # dependencies anywhere else
 #
 #############################################################
 $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(PROJECT_BUILD_DIR) \
 	$(PROJECT_BUILD_DIR)/autotools-stamps $(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) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps

 dirclean: $(TARGETS_DIRCLEAN)
 	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps

 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 '  configured             - make {uclibc/busybox/linux26}-config'
 	@echo '  saveconfig             - save current configuration under local/<project>'
 	@echo '  getconfig              - restore saved configuration from local/<project>'
 	@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

 release: distclean
 	OUT=buildroot-$$(grep -A2 BR2_VERSION $(CONFIG_CONFIG_IN)|grep default|cut -f2 -d\"); \
 	rm -rf ../$$OUT*; cp -al . ../$$OUT; cd ..; \
 	tar cfz $$OUT.tar.gz --exclude .svn --exclude .git --exclude \*~ $$OUT; \
 	rm -rf $$OUT

 .PHONY: dummy subdirs release distclean clean config oldconfig \
 	menuconfig tags check test depend defconfig help
	# Makefile for buildroot2
	#
	# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
	# Copyright (C) 2006-2009 by the Buildroot developers <buildroot@uclibc.org>
	#
	# 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

	# we want bash as shell
	SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
	else if [ -x /bin/bash ]; then echo /bin/bash; \
	else echo sh; fi; fi)

	# kconfig uses CONFIG_SHELL
	CONFIG_SHELL:=$(SHELL)

	export SHELL 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 which $(HOSTAR) \|\| type -p $(HOSTAR) \|\| echo ar)
	HOSTAS:=$(shell which $(HOSTAS) \|\| type -p $(HOSTAS) \|\| echo as)
	HOSTCC:=$(shell which $(HOSTCC) \|\| type -p $(HOSTCC) \|\| echo gcc)
	HOSTCXX:=$(shell which $(HOSTCXX) \|\| type -p $(HOSTCXX) \|\| echo g++)
	HOSTFC:=$(shell which $(HOSTLD) \|\| type -p $(HOSTLD) \|\| echo \|\| which g77 \|\| type -p g77 \|\| echo gfortran)
	HOSTCPP:=$(shell which $(HOSTCPP) \|\| type -p $(HOSTCPP) \|\| echo cpp)
	HOSTLD:=$(shell which $(HOSTLD) \|\| type -p $(HOSTLD) \|\| echo ld)
	HOSTLN:=$(shell which $(HOSTLN) \|\| type -p $(HOSTLN) \|\| echo ln)
	HOSTNM:=$(shell which $(HOSTNM) \|\| type -p $(HOSTNM) \|\| echo nm)
	HOST_GLIB_BIN:=`dirname $(shell which glib-genmarshal \|\| echo /usr/bin/glib-genmarshal)`
	HOST_GLIB:=$(shell 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
	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) \
	$(PROJECT_BUILD_DIR)/autotools-stamps

	$(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) \
	$(PROJECT_BUILD_DIR)/autotools-stamps

	#############################################################
	#
	# staging and target directories do NOT list these as
	# dependencies anywhere else
	#
	#############################################################
	$(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(PROJECT_BUILD_DIR) \
	$(PROJECT_BUILD_DIR)/autotools-stamps $(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) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps

	dirclean: $(TARGETS_DIRCLEAN)
	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps

	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 ' configured - make {uclibc/busybox/linux26}-config'
	@echo ' saveconfig - save current configuration under local/<project>'
	@echo ' getconfig - restore saved configuration from local/<project>'
	@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

	release: distclean
	OUT=buildroot-$$(grep -A2 BR2_VERSION $(CONFIG_CONFIG_IN)\|grep default\|cut -f2 -d\"); \
	rm -rf ../$$OUT*; cp -al . ../$$OUT; cd ..; \
	tar cfz $$OUT.tar.gz --exclude .svn --exclude .git --exclude \*~ $$OUT; \
	rm -rf $$OUT

	.PHONY: dummy subdirs release distclean clean config oldconfig \
	menuconfig tags check test depend defconfig help