Makefile - fp2-dev/platform/external/busybox - Gitiles

 # Makefile for busybox
 #
 # Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
 #
 # Licensed under GPLv2, see the file LICENSE in this tarball for details.
 #

 # You shouldn't have to edit anything in this file for configuration
 # purposes, try "make help" or read http://busybox.net/FAQ.html.

 .PHONY: dummy subdirs release distclean clean config oldconfig menuconfig \
         tags check test depend dep buildtree hosttools _all checkhelp \
         sizes bloatcheck baseline objsizes

 noconfig_targets := menuconfig config oldconfig randconfig hosttools \
 	defconfig allyesconfig allnoconfig allbareconfig \
 	clean distclean help \
 	release tags

 nocheck_targets := clean distclean help release tags

 # the toplevel sourcedir
 ifndef top_srcdir
 top_srcdir=$(CURDIR)
 endif
 # toplevel directory of the object-tree
 ifndef top_builddir
 top_builddir=$(CURDIR)
 endif

 export srctree=$(top_srcdir)
 vpath %/Config.in $(srctree)

 DIRS:=applets archival archival/libunarchive coreutils console-tools \
 	debianutils editors findutils init miscutils modutils networking \
 	networking/libiproute networking/udhcp procps loginutils shell \
 	sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb

 SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))

 # That's our default target when none is given on the command line
 _all:

 CONFIG_CONFIG_IN = $(top_srcdir)/Config.in

 ifeq ($(BUILD_SRC),)
 ifdef O
   ifeq ("$(origin O)", "command line")
     BUILD_OUTPUT := $(O)
     top_builddir := $(O)
   endif
 else
 # If no alternate output-dir was specified, we build in cwd
 # We are using BUILD_OUTPUT nevertheless to make sure that we create
 # Rules.mak and the toplevel Makefile, in case they don't exist.
   BUILD_OUTPUT := $(top_builddir)
 endif

 # see if we are in verbose mode
 BUILD_VERBOSE :=
 ifdef V
   ifeq ("$(origin V)", "command line")
     BUILD_VERBOSE := $(V)
   endif
 endif
 ifdef VERBOSE
   ifeq ("$(origin VERBOSE)", "command line")
     BUILD_VERBOSE := $(VERBOSE)
   endif
 endif

 ifneq ($(strip $(BUILD_VERBOSE)),)
   export BUILD_VERBOSE
   CHECK_VERBOSE := -v
 # ARFLAGS+=v
 endif

 ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
 # pull in settings early
 -include $(top_srcdir)/Rules.mak
 endif

 # All object directories.
 OBJ_DIRS := $(DIRS)
 all_tree := $(patsubst %,$(top_builddir)/%,$(OBJ_DIRS) scripts scripts/config include)
 all_tree: $(all_tree)
 $(all_tree):
 	@mkdir -p "$@"

 ifneq ($(BUILD_OUTPUT),)
 # Invoke a second make in the output directory, passing relevant variables
 # Check that the output directory actually exists
 saved-output := $(BUILD_OUTPUT)
 BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd)
 $(if $(wildcard $(BUILD_OUTPUT)),, \
      $(error output directory "$(saved-output)" does not exist))

 .PHONY: $(MAKECMDGOALS)

 $(filter-out _all,$(MAKECMDGOALS)) _all: $(BUILD_OUTPUT)/Rules.mak $(BUILD_OUTPUT)/Makefile all_tree
 	$(Q)$(MAKE) -C $(BUILD_OUTPUT) \
 	top_srcdir=$(top_srcdir) \
 	top_builddir=$(top_builddir) \
 	BUILD_SRC=$(top_srcdir) \
 	-f $(CURDIR)/Makefile $@

 $(BUILD_OUTPUT)/Rules.mak:
 	@echo > $@
 	@echo top_srcdir=$(top_srcdir) >> $@
 	@echo top_builddir=$(BUILD_OUTPUT) >> $@
 	@echo include $(top_srcdir)/Rules.mak >> $@

 $(BUILD_OUTPUT)/Makefile:
 	@echo > $@
 	@echo top_srcdir=$(top_srcdir) >> $@
 	@echo top_builddir=$(BUILD_OUTPUT) >> $@
 	@echo BUILD_SRC='$$(top_srcdir)' >> $@
 	@echo include '$$(BUILD_SRC)'/Makefile >> $@

 # Leave processing to above invocation of make
 skip-makefile := 1
 endif # ifneq ($(BUILD_OUTPUT),)
 endif # ifeq ($(BUILD_SRC),)

 ifeq ($(skip-makefile),)

 # We only need a copy of the Makefile for the config targets and reuse
 # the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
 scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
 	cp $< $@

 _all: all

 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			- Executable and documentation'
 	@echo '  busybox		- the swiss-army executable'
 	@echo '  doc			- docs/BusyBox.{txt,html,1}'
 	@echo
 	@echo 'Configuration:'
 	@echo '  allnoconfig		- disable all symbols in .config'
 	@echo '  allyesconfig		- enable all symbols in .config (see defconfig)'
 	@echo '  allbareconfig		- enable all applets without any sub-features'
 	@echo '  config		- text based configurator (of last resort)'
 	@echo '  defconfig		- set .config to largest generic configuration'
 	@echo '  menuconfig		- interactive curses-based configurator'
 	@echo '  oldconfig		- resolve any unresolved symbols in .config'
 	@echo '  hosttools  		- build sed for the host.'
 	@echo '  			  You can use these commands if the commands on the host'
 	@echo '  			  is unusable. Afterwards use it like:'
 	@echo '			  make SED="$(top_builddir)/sed"'
 	@echo
 	@echo 'Installation:'
 	@echo '  install		- install busybox into $(PREFIX)'
 	@echo '  uninstall'
 	@echo
 	@echo 'Development:'
 	@echo '  baseline		- create busybox_old for bloatcheck.'
 	@echo '  bloatcheck		- show size difference between old and new versions'
 	@echo '  check			- run the test suite for all applets'
 	@echo '  checkhelp		- check for missing help-entries in Config.in'
 	@echo '  randconfig		- generate a random configuration'
 	@echo '  release		- create a distribution tarball'
 	@echo '  sizes			- show size of all enabled busybox symbols'
 	@echo '  objsizes		- show size of each .o object built'
 	@echo


 include $(top_srcdir)/Rules.mak

 ifneq ($(strip $(HAVE_DOT_CONFIG)),y)

 # Default target if none was requested explicitly
 all: menuconfig

 # warn if no configuration exists and we are asked to build a non-config target
 .config:
 	@echo ""
 	@echo "No $(top_builddir)/$@ found!"
 	@echo "Please refer to 'make  help', section Configuration."
 	@echo ""
 	@exit 1

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

 scripts/config/conf: scripts/config/Makefile
 	$(Q)$(MAKE) -C scripts/config conf
 	-@if [ ! -f .config ] ; then \
 		touch .config; \
 	fi

 scripts/config/mconf: scripts/config/Makefile
 	$(Q)$(MAKE) -C scripts/config ncurses conf mconf
 	-@if [ ! -f .config ] ; then \
 		touch .config; \
 	fi

 menuconfig: scripts/config/mconf
 	@[ -f .config ] || $(MAKE) $(MAKEFLAGS) defconfig
 	@./scripts/config/mconf $(CONFIG_CONFIG_IN)

 config: scripts/config/conf
 	@./scripts/config/conf $(CONFIG_CONFIG_IN)

 oldconfig: scripts/config/conf
 	@./scripts/config/conf -o $(CONFIG_CONFIG_IN)

 randconfig: scripts/config/conf
 	@./scripts/config/conf -r $(CONFIG_CONFIG_IN)

 allyesconfig: scripts/config/conf
 	@./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
 	@$(SED) -i -r -e "s/^(USING_CROSS_COMPILER)=.*/# \1 is not set/" .config
 	@./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null

 allnoconfig: scripts/config/conf
 	@./scripts/config/conf -n $(CONFIG_CONFIG_IN) > /dev/null

 # defconfig is allyesconfig minus any features that are specialized enough
 # or cause enough behavior change that the user really should switch them on
 # manually if that's what they want.  Sort of "maximum sane config".

 defconfig: scripts/config/conf
 	@./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
 	@$(SED) -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG.*|STATIC|SELINUX|BUILD_(AT_ONCE|LIBBUSYBOX)|FEATURE_(DEVFS|FULL_LIBBUSYBOX|SHARED_BUSYBOX|MTAB_SUPPORT|CLEAN_UP|UDHCP_DEBUG)|INSTALL_NO_USR))=.*/# \1 is not set/" .config
 	@./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null


 allbareconfig: scripts/config/conf
 	@./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
 	@$(SED) -i -r -e "s/^(USING_CROSS_COMPILER|CONFIG_(DEBUG|STATIC|SELINUX|DEVFSD|NC_GAPING_SECURITY_HOLE|BUILD_AT_ONCE)).*/# \1 is not set/" .config
 	@$(SED) -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
 	@echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
 	@yes n | ./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null

 hosttools:
 	$(Q)cp .config .config.bak || noold=yea
 	$(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" allnoconfig
 	$(Q)mv .config .config.in
 	$(Q)(grep -v CONFIG_SED .config.in ; \
 	 echo "CONFIG_SED=y" ; ) > .config
 	$(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" oldconfig include/bb_config.h
 	$(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" busybox
 	$(Q)[ -f .config.bak ] && mv .config.bak .config || rm .config
 	mv busybox sed
 	@echo "Now do: $(MAKE) SED=$(top_builddir)/sed <target>"

 else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)

 all: busybox busybox.links doc

 # In this section, we need .config
 -include $(top_builddir)/.config.cmd
 include $(patsubst %,%/Makefile.in, $(SRC_DIRS))

 endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)

 -include $(top_builddir)/.config
 -include $(top_builddir)/.depend


 ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
 libraries-y:=
 # Which parts of the internal libs are requested?
 # Per default we only want what was actually selected.
 # -a denotes all while -y denotes the selected ones.
 ifeq ($(strip $(CONFIG_FEATURE_FULL_LIBBUSYBOX)),y)
 LIBRARY_DEFINE:=$(LIBRARY_DEFINE-a)
 LIBRARY_SRC   :=$(LIBRARY_SRC-a)
 else # CONFIG_FEATURE_FULL_LIBBUSYBOX
 LIBRARY_DEFINE:=$(LIBRARY_DEFINE-y)
 LIBRARY_SRC   :=$(LIBRARY_SRC-y)
 endif # CONFIG_FEATURE_FULL_LIBBUSYBOX
 APPLET_SRC:=$(APPLET_SRC-y)
 APPLETS_DEFINE:=$(APPLETS_DEFINE-y)
 else  # CONFIG_BUILD_AT_ONCE
 # no --combine, build archives out of the individual .o
 # This was the old way the binary was built.
 libbusybox-obj:=archival/libunarchive/libunarchive.a \
 	networking/libiproute/libiproute.a \
 	libpwdgrp/libpwdgrp.a \
 	coreutils/libcoreutils/libcoreutils.a \
 	libbb/libbb.a
 libbusybox-obj:=$(patsubst %,$(top_builddir)/%,$(libbusybox-obj))

 ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
 # linking against libbusybox, so don't build the .a already contained in the .so
 libraries-y:=$(filter-out $(libbusybox-obj),$(libraries-y))
 endif # CONFIG_FEATURE_SHARED_BUSYBOX
 endif # CONFIG_BUILD_AT_ONCE


 ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
 LD_LIBBUSYBOX:=libbusybox.so
 LIBBUSYBOX_SONAME:=$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)
 DO_INSTALL_LIBS:=$(LD_LIBBUSYBOX) \
 	$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
 	$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION)
 endif # CONFIG_BUILD_LIBBUSYBOX

 ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
 ifneq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
 # --combine but not linking against libbusybox, so compile all
 BUSYBOX_SRC   := $(LIBRARY_SRC)
 BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
 endif # !CONFIG_FEATURE_SHARED_BUSYBOX
 $(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
 else # CONFIG_BUILD_AT_ONCE
 $(LIBBUSYBOX_SONAME): $(libbusybox-obj)
 endif # CONFIG_BUILD_AT_ONCE

 ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
 LDBUSYBOX:=-L$(top_builddir) -lbusybox
 endif

 ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
 $(LIBBUSYBOX_SONAME):
 ifndef MAJOR_VERSION
 	$(error MAJOR_VERSION needed for $@ is not defined)
 endif
 	$(do_link.so) \
 	-Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
 	-Wl,-z,combreloc
 	@rm -f $(DO_INSTALL_LIBS)
 	@for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
 	$(do_strip)

 endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)

 busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(APPLET_SRC) $(libraries-y)
 	$(do_link)

 busybox: busybox_unstripped
 	$(Q)cp busybox_unstripped busybox
 	$(do_strip)

 %.bflt: %_unstripped
 	$(do_elf2flt)

 busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
 	$(Q)-$(SHELL) $^ >$@

 install: $(top_srcdir)/applets/install.sh busybox busybox.links
 	$(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
 		$(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
 ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
 	@echo
 	@echo
 	@echo --------------------------------------------------
 	@echo You will probably need to make your busybox binary
 	@echo setuid root to ensure all configured applets will
 	@echo work properly.
 	@echo --------------------------------------------------
 	@echo
 endif

 uninstall: busybox.links
 	rm -f $(PREFIX)/bin/busybox
 	for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
 ifneq ($(strip $(DO_INSTALL_LIBS)),n)
 	for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
 		rm -f $(PREFIX)$$i; \
 	done
 endif

 check test: busybox
 	bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite SED="$(SED)" \
 	$(SHELL) $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)

 checkhelp:
 	$(Q)$(top_srcdir)/scripts/checkhelp.awk \
 		$(wildcard $(patsubst %,%/Config.in,$(SRC_DIRS) ./))

 sizes: busybox_unstripped
 	$(NM) --size-sort $(<)

 bloatcheck: busybox_old busybox_unstripped
 	@$(top_srcdir)/scripts/bloat-o-meter busybox_old busybox_unstripped

 baseline: busybox_unstripped
 	@mv busybox_unstripped busybox_old

 objsizes: busybox_unstripped
 	$(SHELL) $(top_srcdir)/scripts/objsizes

 # Documentation Targets
 doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html

 docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod $(top_srcdir)/docs/autodocifier.pl
 	$(disp_doc)
 	$(Q)-mkdir -p docs
 	$(Q)-( cat $(top_srcdir)/docs/busybox_header.pod ; \
 	    $(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h ; \
 	    cat $(top_srcdir)/docs/busybox_footer.pod ; ) > docs/busybox.pod

 docs/BusyBox.txt: docs/busybox.pod
 	$(disp_doc)
 	$(Q)-mkdir -p docs
 	$(Q)-pod2text $< > $@

 docs/BusyBox.1: docs/busybox.pod
 	$(disp_doc)
 	$(Q)-mkdir -p docs
 	$(Q)-pod2man --center=BusyBox --release="version $(VERSION)" \
 		$< > $@

 docs/BusyBox.html: docs/busybox.net/BusyBox.html
 	$(disp_doc)
 	$(Q)-mkdir -p docs
 	$(Q)-rm -f docs/BusyBox.html
 	$(Q)-cp docs/busybox.net/BusyBox.html docs/BusyBox.html

 docs/busybox.net/BusyBox.html: docs/busybox.pod
 	$(Q)-mkdir -p docs/busybox.net
 	$(Q)-pod2html --noindex $< > \
 	    docs/busybox.net/BusyBox.html
 	$(Q)-rm -f pod2htm*

 # The nifty new dependency stuff
 scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
 	$(do_link.h)

 DEP_INCLUDES := include/bb_config.h

 ifeq ($(strip $(CONFIG_BBCONFIG)),y)
 DEP_INCLUDES += include/bbconfigopts.h

 include/bbconfigopts.h: .config $(top_srcdir)/scripts/config/mkconfigs
 	$(disp_gen)
 	$(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
 endif

 ifeq ($(strip $(CONFIG_FEATURE_COMPRESS_USAGE)),y)
 USAGE_BIN:=scripts/usage
 $(USAGE_BIN): $(top_srcdir)/scripts/usage.c .config
 	$(do_link.h)

 DEP_INCLUDES += include/usage_compressed.h

 include/usage_compressed.h: .config $(USAGE_BIN) $(top_srcdir)/scripts/usage_compressed
 	$(Q)SED="$(SED)" $(SHELL) $(top_srcdir)/scripts/usage_compressed "$(top_builddir)/scripts" > $@
 endif # CONFIG_FEATURE_COMPRESS_USAGE

 # workaround alleged bug in make-3.80, make-3.81
 .NOTPARALLEL: .depend

 depend dep: .depend
 .depend: scripts/bb_mkdep $(USAGE_BIN) $(DEP_INCLUDES)
 	$(disp_gen)
 	$(Q)rm -f .depend
 	$(Q)mkdir -p include/config
 	$(Q)scripts/bb_mkdep -I $(top_srcdir)/include $(top_srcdir) > $@.tmp
 	$(Q)mv $@.tmp $@

 include/bb_config.h: .config
 	@if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
 	    $(MAKE) -C scripts/config conf; \
 	fi;
 	@$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)

 clean:
 	- $(MAKE) -C scripts/config $@
 	- rm -f docs/busybox.dvi docs/busybox.ps \
 	    docs/busybox.pod docs/busybox.net/busybox.html \
 	    docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
 	    docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
 	    docs/busybox.net/BusyBox.html busybox.links \
 	    libbusybox.so* \
 	    .config.old busybox busybox_unstripped
 	- rm -r -f _install testsuite/links
 	- find . -name .\*.flags -o -name \*.o  -o -name \*.om \
 	    -o -name \*.os -o -name \*.osm -o -name \*.a | xargs rm -f

 distclean: clean
 	rm -f scripts/bb_mkdep scripts/usage
 	rm -r -f include/config include/config.h $(DEP_INCLUDES)
 	find . -name .depend'*' -print0 | xargs -0 rm -f
 	rm -f .hdepend
 	rm -f .config .config.old .config.cmd

 release: distclean #doc
 	cd ..; \
 	rm -r -f $(PROG)-$(VERSION); \
 	cp -a busybox $(PROG)-$(VERSION); \
 	\
 	find $(PROG)-$(VERSION)/ -type d \
 		-name .svn \
 		-print \
 		-exec rm -r -f {} \; ; \
 	\
 	find $(PROG)-$(VERSION)/ -type f \
 		-name .\#* \
 		-print \
 		-exec rm -f {} \; ; \
 	\
 	tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;

 tags:
 	ctags -R .


 endif # ifeq ($(skip-makefile),)
	# Makefile for busybox
	#
	# Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
	#
	# Licensed under GPLv2, see the file LICENSE in this tarball for details.
	#

	# You shouldn't have to edit anything in this file for configuration
	# purposes, try "make help" or read http://busybox.net/FAQ.html.

	.PHONY: dummy subdirs release distclean clean config oldconfig menuconfig \
	tags check test depend dep buildtree hosttools _all checkhelp \
	sizes bloatcheck baseline objsizes

	noconfig_targets := menuconfig config oldconfig randconfig hosttools \
	defconfig allyesconfig allnoconfig allbareconfig \
	clean distclean help \
	release tags

	nocheck_targets := clean distclean help release tags

	# the toplevel sourcedir
	ifndef top_srcdir
	top_srcdir=$(CURDIR)
	endif
	# toplevel directory of the object-tree
	ifndef top_builddir
	top_builddir=$(CURDIR)
	endif

	export srctree=$(top_srcdir)
	vpath %/Config.in $(srctree)

	DIRS:=applets archival archival/libunarchive coreutils console-tools \
	debianutils editors findutils init miscutils modutils networking \
	networking/libiproute networking/udhcp procps loginutils shell \
	sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb

	SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))

	# That's our default target when none is given on the command line
	_all:

	CONFIG_CONFIG_IN = $(top_srcdir)/Config.in

	ifeq ($(BUILD_SRC),)
	ifdef O
	ifeq ("$(origin O)", "command line")
	BUILD_OUTPUT := $(O)
	top_builddir := $(O)
	endif
	else
	# If no alternate output-dir was specified, we build in cwd
	# We are using BUILD_OUTPUT nevertheless to make sure that we create
	# Rules.mak and the toplevel Makefile, in case they don't exist.
	BUILD_OUTPUT := $(top_builddir)
	endif

	# see if we are in verbose mode
	BUILD_VERBOSE :=
	ifdef V
	ifeq ("$(origin V)", "command line")
	BUILD_VERBOSE := $(V)
	endif
	endif
	ifdef VERBOSE
	ifeq ("$(origin VERBOSE)", "command line")
	BUILD_VERBOSE := $(VERBOSE)
	endif
	endif

	ifneq ($(strip $(BUILD_VERBOSE)),)
	export BUILD_VERBOSE
	CHECK_VERBOSE := -v
	# ARFLAGS+=v
	endif

	ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
	# pull in settings early
	-include $(top_srcdir)/Rules.mak
	endif

	# All object directories.
	OBJ_DIRS := $(DIRS)
	all_tree := $(patsubst %,$(top_builddir)/%,$(OBJ_DIRS) scripts scripts/config include)
	all_tree: $(all_tree)
	$(all_tree):
	@mkdir -p "$@"

	ifneq ($(BUILD_OUTPUT),)
	# Invoke a second make in the output directory, passing relevant variables
	# Check that the output directory actually exists
	saved-output := $(BUILD_OUTPUT)
	BUILD_OUTPUT := $(shell cd $(BUILD_OUTPUT) && /bin/pwd)
	$(if $(wildcard $(BUILD_OUTPUT)),, \
	$(error output directory "$(saved-output)" does not exist))

	.PHONY: $(MAKECMDGOALS)

	$(filter-out _all,$(MAKECMDGOALS)) _all: $(BUILD_OUTPUT)/Rules.mak $(BUILD_OUTPUT)/Makefile all_tree
	$(Q)$(MAKE) -C $(BUILD_OUTPUT) \
	top_srcdir=$(top_srcdir) \
	top_builddir=$(top_builddir) \
	BUILD_SRC=$(top_srcdir) \
	-f $(CURDIR)/Makefile $@

	$(BUILD_OUTPUT)/Rules.mak:
	@echo > $@
	@echo top_srcdir=$(top_srcdir) >> $@
	@echo top_builddir=$(BUILD_OUTPUT) >> $@
	@echo include $(top_srcdir)/Rules.mak >> $@

	$(BUILD_OUTPUT)/Makefile:
	@echo > $@
	@echo top_srcdir=$(top_srcdir) >> $@
	@echo top_builddir=$(BUILD_OUTPUT) >> $@
	@echo BUILD_SRC='$$(top_srcdir)' >> $@
	@echo include '$$(BUILD_SRC)'/Makefile >> $@

	# Leave processing to above invocation of make
	skip-makefile := 1
	endif # ifneq ($(BUILD_OUTPUT),)
	endif # ifeq ($(BUILD_SRC),)

	ifeq ($(skip-makefile),)

	# We only need a copy of the Makefile for the config targets and reuse
	# the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
	scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile
	cp $< $@

	_all: all

	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 - Executable and documentation'
	@echo ' busybox - the swiss-army executable'
	@echo ' doc - docs/BusyBox.{txt,html,1}'
	@echo
	@echo 'Configuration:'
	@echo ' allnoconfig - disable all symbols in .config'
	@echo ' allyesconfig - enable all symbols in .config (see defconfig)'
	@echo ' allbareconfig - enable all applets without any sub-features'
	@echo ' config - text based configurator (of last resort)'
	@echo ' defconfig - set .config to largest generic configuration'
	@echo ' menuconfig - interactive curses-based configurator'
	@echo ' oldconfig - resolve any unresolved symbols in .config'
	@echo ' hosttools - build sed for the host.'
	@echo ' You can use these commands if the commands on the host'
	@echo ' is unusable. Afterwards use it like:'
	@echo ' make SED="$(top_builddir)/sed"'
	@echo
	@echo 'Installation:'
	@echo ' install - install busybox into $(PREFIX)'
	@echo ' uninstall'
	@echo
	@echo 'Development:'
	@echo ' baseline - create busybox_old for bloatcheck.'
	@echo ' bloatcheck - show size difference between old and new versions'
	@echo ' check - run the test suite for all applets'
	@echo ' checkhelp - check for missing help-entries in Config.in'
	@echo ' randconfig - generate a random configuration'
	@echo ' release - create a distribution tarball'
	@echo ' sizes - show size of all enabled busybox symbols'
	@echo ' objsizes - show size of each .o object built'
	@echo


	include $(top_srcdir)/Rules.mak

	ifneq ($(strip $(HAVE_DOT_CONFIG)),y)

	# Default target if none was requested explicitly
	all: menuconfig

	# warn if no configuration exists and we are asked to build a non-config target
	.config:
	@echo ""
	@echo "No $(top_builddir)/$@ found!"
	@echo "Please refer to 'make help', section Configuration."
	@echo ""
	@exit 1

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

	scripts/config/conf: scripts/config/Makefile
	$(Q)$(MAKE) -C scripts/config conf
	-@if [ ! -f .config ] ; then \
	touch .config; \
	fi

	scripts/config/mconf: scripts/config/Makefile
	$(Q)$(MAKE) -C scripts/config ncurses conf mconf
	-@if [ ! -f .config ] ; then \
	touch .config; \
	fi

	menuconfig: scripts/config/mconf
	@[ -f .config ] \|\| $(MAKE) $(MAKEFLAGS) defconfig
	@./scripts/config/mconf $(CONFIG_CONFIG_IN)

	config: scripts/config/conf
	@./scripts/config/conf $(CONFIG_CONFIG_IN)

	oldconfig: scripts/config/conf
	@./scripts/config/conf -o $(CONFIG_CONFIG_IN)

	randconfig: scripts/config/conf
	@./scripts/config/conf -r $(CONFIG_CONFIG_IN)

	allyesconfig: scripts/config/conf
	@./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
	@$(SED) -i -r -e "s/^(USING_CROSS_COMPILER)=.*/# \1 is not set/" .config
	@./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null

	allnoconfig: scripts/config/conf
	@./scripts/config/conf -n $(CONFIG_CONFIG_IN) > /dev/null

	# defconfig is allyesconfig minus any features that are specialized enough
	# or cause enough behavior change that the user really should switch them on
	# manually if that's what they want. Sort of "maximum sane config".

	defconfig: scripts/config/conf
	@./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
	@$(SED) -i -r -e "s/^(USING_CROSS_COMPILER\|CONFIG_(DEBUG.\|STATIC\|SELINUX\|BUILD_(AT_ONCE\|LIBBUSYBOX)\|FEATURE_(DEVFS\|FULL_LIBBUSYBOX\|SHARED_BUSYBOX\|MTAB_SUPPORT\|CLEAN_UP\|UDHCP_DEBUG)\|INSTALL_NO_USR))=./# \1 is not set/" .config
	@./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null


	allbareconfig: scripts/config/conf
	@./scripts/config/conf -y $(CONFIG_CONFIG_IN) > /dev/null
	@$(SED) -i -r -e "s/^(USING_CROSS_COMPILER\|CONFIG_(DEBUG\|STATIC\|SELINUX\|DEVFSD\|NC_GAPING_SECURITY_HOLE\|BUILD_AT_ONCE)).*/# \1 is not set/" .config
	@$(SED) -i -e "/FEATURE/s/=.//;/^[^#]/s/.FEATURE.*/# \0 is not set/;" .config
	@echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
	@yes n \| ./scripts/config/conf -o $(CONFIG_CONFIG_IN) > /dev/null

	hosttools:
	$(Q)cp .config .config.bak \|\| noold=yea
	$(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" allnoconfig
	$(Q)mv .config .config.in
	$(Q)(grep -v CONFIG_SED .config.in ; \
	echo "CONFIG_SED=y" ; ) > .config
	$(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" oldconfig include/bb_config.h
	$(Q)$(MAKE) CC="$(HOSTCC)" CFLAGS="$(HOSTCFLAGS) $(INCS)" busybox
	$(Q)[ -f .config.bak ] && mv .config.bak .config \|\| rm .config
	mv busybox sed
	@echo "Now do: $(MAKE) SED=$(top_builddir)/sed <target>"

	else # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)

	all: busybox busybox.links doc

	# In this section, we need .config
	-include $(top_builddir)/.config.cmd
	include $(patsubst %,%/Makefile.in, $(SRC_DIRS))

	endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)

	-include $(top_builddir)/.config
	-include $(top_builddir)/.depend


	ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
	libraries-y:=
	# Which parts of the internal libs are requested?
	# Per default we only want what was actually selected.
	# -a denotes all while -y denotes the selected ones.
	ifeq ($(strip $(CONFIG_FEATURE_FULL_LIBBUSYBOX)),y)
	LIBRARY_DEFINE:=$(LIBRARY_DEFINE-a)
	LIBRARY_SRC :=$(LIBRARY_SRC-a)
	else # CONFIG_FEATURE_FULL_LIBBUSYBOX
	LIBRARY_DEFINE:=$(LIBRARY_DEFINE-y)
	LIBRARY_SRC :=$(LIBRARY_SRC-y)
	endif # CONFIG_FEATURE_FULL_LIBBUSYBOX
	APPLET_SRC:=$(APPLET_SRC-y)
	APPLETS_DEFINE:=$(APPLETS_DEFINE-y)
	else # CONFIG_BUILD_AT_ONCE
	# no --combine, build archives out of the individual .o
	# This was the old way the binary was built.
	libbusybox-obj:=archival/libunarchive/libunarchive.a \
	networking/libiproute/libiproute.a \
	libpwdgrp/libpwdgrp.a \
	coreutils/libcoreutils/libcoreutils.a \
	libbb/libbb.a
	libbusybox-obj:=$(patsubst %,$(top_builddir)/%,$(libbusybox-obj))

	ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
	# linking against libbusybox, so don't build the .a already contained in the .so
	libraries-y:=$(filter-out $(libbusybox-obj),$(libraries-y))
	endif # CONFIG_FEATURE_SHARED_BUSYBOX
	endif # CONFIG_BUILD_AT_ONCE


	ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
	LD_LIBBUSYBOX:=libbusybox.so
	LIBBUSYBOX_SONAME:=$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)
	DO_INSTALL_LIBS:=$(LD_LIBBUSYBOX) \
	$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
	$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION)
	endif # CONFIG_BUILD_LIBBUSYBOX

	ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
	ifneq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
	# --combine but not linking against libbusybox, so compile all
	BUSYBOX_SRC := $(LIBRARY_SRC)
	BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
	endif # !CONFIG_FEATURE_SHARED_BUSYBOX
	$(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
	else # CONFIG_BUILD_AT_ONCE
	$(LIBBUSYBOX_SONAME): $(libbusybox-obj)
	endif # CONFIG_BUILD_AT_ONCE

	ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
	LDBUSYBOX:=-L$(top_builddir) -lbusybox
	endif

	ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
	$(LIBBUSYBOX_SONAME):
	ifndef MAJOR_VERSION
	$(error MAJOR_VERSION needed for $@ is not defined)
	endif
	$(do_link.so) \
	-Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
	-Wl,-z,combreloc
	@rm -f $(DO_INSTALL_LIBS)
	@for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
	$(do_strip)

	endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)

	busybox_unstripped: .depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(APPLET_SRC) $(libraries-y)
	$(do_link)

	busybox: busybox_unstripped
	$(Q)cp busybox_unstripped busybox
	$(do_strip)

	%.bflt: %_unstripped
	$(do_elf2flt)

	busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
	$(Q)-$(SHELL) $^ >$@

	install: $(top_srcdir)/applets/install.sh busybox busybox.links
	$(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
	$(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
	ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
	@echo
	@echo
	@echo --------------------------------------------------
	@echo You will probably need to make your busybox binary
	@echo setuid root to ensure all configured applets will
	@echo work properly.
	@echo --------------------------------------------------
	@echo
	endif

	uninstall: busybox.links
	rm -f $(PREFIX)/bin/busybox
	for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
	ifneq ($(strip $(DO_INSTALL_LIBS)),n)
	for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
	rm -f $(PREFIX)$$i; \
	done
	endif

	check test: busybox
	bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite SED="$(SED)" \
	$(SHELL) $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)

	checkhelp:
	$(Q)$(top_srcdir)/scripts/checkhelp.awk \
	$(wildcard $(patsubst %,%/Config.in,$(SRC_DIRS) ./))

	sizes: busybox_unstripped
	$(NM) --size-sort $(<)

	bloatcheck: busybox_old busybox_unstripped
	@$(top_srcdir)/scripts/bloat-o-meter busybox_old busybox_unstripped

	baseline: busybox_unstripped
	@mv busybox_unstripped busybox_old

	objsizes: busybox_unstripped
	$(SHELL) $(top_srcdir)/scripts/objsizes

	# Documentation Targets
	doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html

	docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod $(top_srcdir)/docs/autodocifier.pl
	$(disp_doc)
	$(Q)-mkdir -p docs
	$(Q)-( cat $(top_srcdir)/docs/busybox_header.pod ; \
	$(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h ; \
	cat $(top_srcdir)/docs/busybox_footer.pod ; ) > docs/busybox.pod

	docs/BusyBox.txt: docs/busybox.pod
	$(disp_doc)
	$(Q)-mkdir -p docs
	$(Q)-pod2text $< > $@

	docs/BusyBox.1: docs/busybox.pod
	$(disp_doc)
	$(Q)-mkdir -p docs
	$(Q)-pod2man --center=BusyBox --release="version $(VERSION)" \
	$< > $@

	docs/BusyBox.html: docs/busybox.net/BusyBox.html
	$(disp_doc)
	$(Q)-mkdir -p docs
	$(Q)-rm -f docs/BusyBox.html
	$(Q)-cp docs/busybox.net/BusyBox.html docs/BusyBox.html

	docs/busybox.net/BusyBox.html: docs/busybox.pod
	$(Q)-mkdir -p docs/busybox.net
	$(Q)-pod2html --noindex $< > \
	docs/busybox.net/BusyBox.html
	$(Q)-rm -f pod2htm*

	# The nifty new dependency stuff
	scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
	$(do_link.h)

	DEP_INCLUDES := include/bb_config.h

	ifeq ($(strip $(CONFIG_BBCONFIG)),y)
	DEP_INCLUDES += include/bbconfigopts.h

	include/bbconfigopts.h: .config $(top_srcdir)/scripts/config/mkconfigs
	$(disp_gen)
	$(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
	endif

	ifeq ($(strip $(CONFIG_FEATURE_COMPRESS_USAGE)),y)
	USAGE_BIN:=scripts/usage
	$(USAGE_BIN): $(top_srcdir)/scripts/usage.c .config
	$(do_link.h)

	DEP_INCLUDES += include/usage_compressed.h

	include/usage_compressed.h: .config $(USAGE_BIN) $(top_srcdir)/scripts/usage_compressed
	$(Q)SED="$(SED)" $(SHELL) $(top_srcdir)/scripts/usage_compressed "$(top_builddir)/scripts" > $@
	endif # CONFIG_FEATURE_COMPRESS_USAGE

	# workaround alleged bug in make-3.80, make-3.81
	.NOTPARALLEL: .depend

	depend dep: .depend
	.depend: scripts/bb_mkdep $(USAGE_BIN) $(DEP_INCLUDES)
	$(disp_gen)
	$(Q)rm -f .depend
	$(Q)mkdir -p include/config
	$(Q)scripts/bb_mkdep -I $(top_srcdir)/include $(top_srcdir) > $@.tmp
	$(Q)mv $@.tmp $@

	include/bb_config.h: .config
	@if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
	$(MAKE) -C scripts/config conf; \
	fi;
	@$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)

	clean:
	- $(MAKE) -C scripts/config $@
	- rm -f docs/busybox.dvi docs/busybox.ps \
	docs/busybox.pod docs/busybox.net/busybox.html \
	docs/busybox pod2htm* .gdb .elf ~ core .config.log \
	docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
	docs/busybox.net/BusyBox.html busybox.links \
	libbusybox.so* \
	.config.old busybox busybox_unstripped
	- rm -r -f _install testsuite/links
	- find . -name .\.flags -o -name \.o -o -name \*.om \
	-o -name \.os -o -name \.osm -o -name \*.a \| xargs rm -f

	distclean: clean
	rm -f scripts/bb_mkdep scripts/usage
	rm -r -f include/config include/config.h $(DEP_INCLUDES)
	find . -name .depend'*' -print0 \| xargs -0 rm -f
	rm -f .hdepend
	rm -f .config .config.old .config.cmd

	release: distclean #doc
	cd ..; \
	rm -r -f $(PROG)-$(VERSION); \
	cp -a busybox $(PROG)-$(VERSION); \
	\
	find $(PROG)-$(VERSION)/ -type d \
	-name .svn \
	-print \
	-exec rm -r -f {} \; ; \
	\
	find $(PROG)-$(VERSION)/ -type f \
	-name .\#* \
	-print \
	-exec rm -f {} \; ; \
	\
	tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;

	tags:
	ctags -R .


	endif # ifeq ($(skip-makefile),)