mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-28 06:00:36 +00:00
523 lines
17 KiB
Makefile
523 lines
17 KiB
Makefile
# Makefile for busybox
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#
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# Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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#
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# Licensed under GPLv2, see the file LICENSE in this tarball for details.
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#
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#--------------------------------------------------------------
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# You shouldn't need to mess with anything beyond this point...
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#--------------------------------------------------------------
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noconfig_targets := menuconfig config oldconfig randconfig \
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defconfig allyesconfig allnoconfig allbareconfig \
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release tags
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# the toplevel sourcedir
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ifndef top_srcdir
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top_srcdir:=$(shell cd $(dir $(firstword $(MAKEFILE_LIST))) && pwd)
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endif
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# toplevel directory of the object-tree
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ifndef top_builddir
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top_builddir:=$(CURDIR)
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endif
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export srctree=$(top_srcdir)
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vpath %/Config.in $(srctree)
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DIRS:=applets archival archival/libunarchive coreutils console-tools \
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debianutils editors findutils init miscutils modutils networking \
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networking/libiproute networking/udhcp procps loginutils shell \
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sysklogd util-linux e2fsprogs libpwdgrp coreutils/libcoreutils libbb
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SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
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# That's our default target when none is given on the command line
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.PHONY: _all
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_all: all
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# see if we are in verbose mode
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ifdef VERBOSE
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CHECK_VERBOSE := -v
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PACKAGE_BE_VERBOSE := $(VERBOSE)
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endif
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ifdef V
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CHECK_VERBOSE := -v
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PACKAGE_BE_VERBOSE := $(V)
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endif
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ifdef O
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ifeq ("$(origin O)", "command line")
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PACKAGE_OUTPUTDIR := $(shell cd $(O) && pwd)
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top_builddir := $(PACKAGE_OUTPUTDIR)
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endif
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else
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# If no alternate output-dir was specified, we build in cwd
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PACKAGE_OUTPUTDIR := $(top_builddir)
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endif
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#######################################################################
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# Try to workaround bugs in make
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# Workaround for bugs in make-3.80
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# eval is broken if it is in a conditional
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#$ cat 3.80-eval-in-cond.mak
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#all:: ; @echo it
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#define Y
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# all:: ; @echo worked
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#endef
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#ifdef BAR
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#$(eval $(Y))
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#endif
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#$ make -f 3.80-eval-in-cond.mak
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#it
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#$ make -f 3.80-eval-in-cond.mak BAR=set
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#3.80-eval-in-cond.mak:5: *** missing `endif'. Stop.
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# This was fixed in December 2003.
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define check_gcc
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$(eval $(1)+=$(if $(2),$(if $(shell $(CC) $(2) -S -o /dev/null -xc /dev/null > /dev/null 2>&1 && echo y),$(2),$(if $(3),$(3))),$(if $(3),$(3))))
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endef
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define check_ld
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$(eval $(1)+=$(if $(2),$(if $(shell $(LD) $(2) -o /dev/null -b binary /dev/null > /dev/null 2>&1 && echo y),$(shell echo \-Wl,$(2)),$(if $(3),$(3))),$(if $(3),$(3))))
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endef
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#######################################################################
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-include $(top_srcdir)/Rules.mak
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# Handle building out of tree
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ifneq ($(top_builddir),$(top_srcdir))
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all_tree := $(patsubst %,$(top_builddir)/%,$(DIRS) scripts scripts/config include include/config)
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$(all_tree):
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@mkdir -p "$@"
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saved-output := $(PACKAGE_OUTPUTDIR)
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$(if $(wildcard $(PACKAGE_OUTPUTDIR)),, \
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$(error output directory "$(saved-output)" does not exist))
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.PHONY: $(MAKECMDGOALS)
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$(PACKAGE_OUTPUTDIR)/Rules.mak:
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@echo > $@
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@echo top_srcdir=$(top_srcdir) >> $@
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@echo top_builddir=$(PACKAGE_OUTPUTDIR) >> $@
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@echo include $$\(top_srcdir\)/Rules.mak >> $@
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$(PACKAGE_OUTPUTDIR)/Makefile:
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@echo > $@
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@echo top_srcdir=$(top_srcdir) >> $@
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@echo top_builddir=$(PACKAGE_OUTPUTDIR) >> $@
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@echo PACKAGE_SOURCEDIR='$$(top_srcdir)' >> $@
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@echo include '$$(PACKAGE_SOURCEDIR)'/Makefile >> $@
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buildtree := $(all_tree) $(PACKAGE_OUTPUTDIR)/Rules.mak $(PACKAGE_OUTPUTDIR)/Makefile
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# We only need a copy of the Makefile for the config targets and reuse
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# the rest from the source directory, i.e. we do not cp ALL_MAKEFILES.
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scripts/config/Makefile: $(top_srcdir)/scripts/config/Makefile | $(buildtree)
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@cp $(top_srcdir)/scripts/config/Makefile $@
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else
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all_tree := include/config
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$(all_tree):
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@mkdir -p "$@"
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buildtree := $(all_tree)
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endif # ifneq ($(PACKAGE_OUTPUTDIR),$(top_srcdir))
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help:
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@echo 'Cleaning:'
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@echo ' clean - delete temporary files created by build'
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@echo ' distclean - delete all non-source files (including .config)'
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@echo
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@echo 'Build:'
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@echo ' all - Executable and documentation'
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@echo ' busybox - the swiss-army executable'
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@echo ' doc - docs/BusyBox.{txt,html,1}'
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@echo
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@echo 'Configuration:'
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@echo ' allnoconfig - disable all symbols in .config'
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@echo ' allyesconfig - enable all symbols in .config (see defconfig)'
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@echo ' allbareconfig - enable all applets without any sub-features'
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@echo ' config - text based configurator (of last resort)'
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@echo ' defconfig - set .config to largest generic configuration'
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@echo ' menuconfig - interactive curses-based configurator'
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@echo ' oldconfig - resolve any unresolved symbols in .config'
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@echo
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@echo 'Installation:'
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@echo ' install - install busybox into $prefix'
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@echo ' uninstall'
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@echo
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@echo 'Development:'
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@echo ' check - run the test suite for all applets'
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@echo ' randconfig - generate a random configuration'
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@echo ' release - create a distribution tarball'
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@echo ' sizes - show size of all enabled busybox symbols'
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@echo
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@echo 'Make flags:'
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@echo ' V=<number> - print verbose make output (default: unset)'
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@echo ' 0 print CC invocations'
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@echo ' 1'
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@echo ' 2 also print when make enters a directory'
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@echo ' 3 also verbosely print shell invocations'
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ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
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# Default target if none was requested explicitly
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all: defconfig menuconfig ;
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ifneq ($(filter-out $(noconfig_targets),$(MAKECMDGOALS)),)
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# warn if no configuration exists and we are asked to build a non-config target
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.config:
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@echo ""
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@echo "No $(top_builddir)/$@ found!"
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@echo "Please refer to 'make help', section Configuration."
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@echo ""
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@exit 1
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else
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# Avoid implicit rule to kick in by using an empty command
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.config: $(buildtree) ;
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endif
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endif # ifneq ($(strip $(HAVE_DOT_CONFIG)),y)
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# configuration
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# ---------------------------------------------------------------------------
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CONFIG_CONFIG_IN = $(top_srcdir)/Config.in
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scripts/config/conf: scripts/config/Makefile
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$(Q)$(MAKE) -C scripts/config conf
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scripts/config/mconf: scripts/config/Makefile
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$(Q)$(MAKE) -C scripts/config ncurses conf mconf
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menuconfig: scripts/config/mconf
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@./scripts/config/mconf $(CONFIG_CONFIG_IN)
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config: scripts/config/conf
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@./scripts/config/conf $(CONFIG_CONFIG_IN)
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oldconfig: scripts/config/conf
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@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
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randconfig: scripts/config/conf
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@./scripts/config/conf -r $(CONFIG_CONFIG_IN)
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allyesconfig: scripts/config/conf
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@./scripts/config/conf -y $(CONFIG_CONFIG_IN)
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@$(SED) -i -r -e "s/^(USING_CROSS_COMPILER)=.*/# \1 is not set/" .config
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@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
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allnoconfig: scripts/config/conf
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@./scripts/config/conf -n $(CONFIG_CONFIG_IN)
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# defconfig is allyesconfig minus any features that are specialized enough
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# or cause enough behavior change that the user really should switch them on
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# manually if that's what they want. Sort of "maximum sane config".
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defconfig: scripts/config/conf
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@./scripts/config/conf -y $(CONFIG_CONFIG_IN)
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@$(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
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@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
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allbareconfig: scripts/config/conf
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@./scripts/config/conf -y $(CONFIG_CONFIG_IN)
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@$(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
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@$(SED) -i -e "/FEATURE/s/=.*//;/^[^#]/s/.*FEATURE.*/# \0 is not set/;" .config
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@echo "CONFIG_FEATURE_BUFFERS_GO_ON_STACK=y" >> .config
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@./scripts/config/conf -o $(CONFIG_CONFIG_IN)
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ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
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# Load all Config.in
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-include $(top_builddir)/.config.cmd
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endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
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# convert $(DIRS) to upper case. Use sed instead of tr since we're already
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# depending on it.
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DIRS_UPPER:=$(shell echo $(DIRS) | $(SED) 'h;y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/')
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# First populate the variables ..._OBJ-y ...OBJ-m et al
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$(foreach d,$(DIRS_UPPER),$(eval $(notdir $(d))-y:=))
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$(foreach d,$(DIRS_UPPER),$(eval $(notdir $(d))-m:=))
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include $(patsubst %,%/Makefile.in,$(SRC_DIRS))
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# Then we need the dependencies for ..._OBJ
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define dir_pattern.o
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ifeq ($(os),.os)
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# write patterns for both .os and .o
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$(if $($(1)_OBJ.os),$($(1)_OBJ.os:.os=.o): $(top_builddir)/$(2)/%.o: $(top_srcdir)/$(2)/%.c)
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endif
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$(if $($(1)_OBJ$(os)),$($(1)_OBJ$(os)): $(top_builddir)/$(2)/%$(os): $(top_srcdir)/$(2)/%.c)
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$(if $($(1)_OBJ),$($(1)_OBJ): $(top_builddir)/$(2)/%.o: $(top_srcdir)/$(2)/%.c)
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lib-obj-y+=$($(1)_OBJ) $($(1)_OBJ.o) $($(1)_OBJ.os)
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lib-mobj-y+=$($(1)_MOBJ.o) $($(1)_MOBJ.os)
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bin-obj-y+=$($(1)_OBJ:.os=.o) $($(1)_OBJ.o:.os=.o) $($(1)_OBJ.os:.os=.o)
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bin-mobj-y+=$($(1)_MOBJ.o:.osm=.om) $($(1)_MOBJ.os:.osm=.om)
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endef
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# The actual directory patterns for .o*
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$(foreach d,$(DIRS),$(eval $(call dir_pattern.o,$(subst /,_,$(d)),$(d))))
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ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
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# Finally pull in the dependencies (headers and other includes) of the
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# individual object files
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-include $(top_builddir)/.depend
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# Everything is set.
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all: busybox busybox.links doc ;
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# Two modes of operation: legacy and IMA
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# Legacy mode builds each object through an individual invocation of CC
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# IMA compiles all sources at once (aka IPO aka IPA etc.)
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ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
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# We are not building .o
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bin-obj-y:=
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bin-mobj-y:=
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# Which parts of the internal libs are requested?
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# Per default we only want what was actually selected.
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# -a denotes all while -y denotes the selected ones.
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ifeq ($(strip $(CONFIG_FEATURE_FULL_LIBBUSYBOX)),y)
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LIBRARY_DEFINE:=$(LIBRARY_DEFINE-a)
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LIBRARY_SRC :=$(LIBRARY_SRC-a)
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else # CONFIG_FEATURE_FULL_LIBBUSYBOX
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LIBRARY_DEFINE:=$(LIBRARY_DEFINE-y)
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LIBRARY_SRC :=$(LIBRARY_SRC-y)
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endif # CONFIG_FEATURE_FULL_LIBBUSYBOX
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APPLET_SRC:=$(APPLET_SRC-y)
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APPLETS_DEFINE:=$(APPLETS_DEFINE-y)
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else # CONFIG_BUILD_AT_ONCE
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# no --combine, build archives out of the individual .o
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# This was the old way the binary was built.
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libbusybox-obj:=$(archival_libunarchive_OBJ$(os)) \
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$(networking_libiproute_OBJ$(os)) \
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$(libpwdgrp_MOBJ$(os)) \
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$(coreutils_libcoreutils_OBJ$(os)) \
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$(libbb_OBJ$(os)) $(libbb_MOBJ$(os))
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ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
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# linking against libbusybox, so don't build the .o already contained in the .so
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bin-obj-y:=$(filter-out $(libbusybox-obj) $(libbusybox-obj:.os=.o),$(bin-obj-y))
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bin-mobj-y:=$(filter-out $(libbusybox-obj) $(libbusybox-obj:.osm=.om),$(bin-mobj-y))
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endif # CONFIG_FEATURE_SHARED_BUSYBOX
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endif # CONFIG_BUILD_AT_ONCE
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# build an .a to keep .hash et al small
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$(if $(bin-obj-y)$(bin-mobj-y),$(eval applets.a:=$(bin-obj-y) $(bin-mobj-y)))
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ifdef applets.a
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applets.a: $(applets.a)
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$(do_ar)
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bin-obj.a=applets.a
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endif
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ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
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LD_LIBBUSYBOX:=libbusybox.so
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LIBBUSYBOX_SONAME:=$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL_VERSION)
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DO_INSTALL_LIBS:=$(LD_LIBBUSYBOX) \
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$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
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$(LD_LIBBUSYBOX).$(MAJOR_VERSION).$(MINOR_VERSION)
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endif # CONFIG_BUILD_LIBBUSYBOX
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ifeq ($(strip $(CONFIG_BUILD_AT_ONCE)),y)
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ifneq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
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# --combine but not linking against libbusybox, so compile lib*.c
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BUSYBOX_SRC := $(LIBRARY_SRC)
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BUSYBOX_DEFINE:= $(LIBRARY_DEFINE)
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endif # !CONFIG_FEATURE_SHARED_BUSYBOX
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$(LIBBUSYBOX_SONAME): $(LIBRARY_SRC)
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else # CONFIG_BUILD_AT_ONCE
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$(LIBBUSYBOX_SONAME): $(libbusybox-obj)
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endif # CONFIG_BUILD_AT_ONCE
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ifeq ($(strip $(CONFIG_FEATURE_SHARED_BUSYBOX)),y)
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LDBUSYBOX:=-L$(top_builddir) -lbusybox
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endif
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ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
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$(LIBBUSYBOX_SONAME):
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ifndef MAJOR_VERSION
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$(error MAJOR_VERSION needed for $@ is not defined)
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endif
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$(do_link) $(LIB_CFLAGS) $(LIB_LDFLAGS) $(CFLAGS_COMBINE) \
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-Wl,-soname=$(LD_LIBBUSYBOX).$(MAJOR_VERSION) \
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-Wl,-z,combreloc $(LIB_LDFLAGS) \
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-o $(@) \
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-Wl,--start-group \
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$(LIBRARY_DEFINE) $(^) \
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-Wl,--end-group
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@rm -f $(DO_INSTALL_LIBS)
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@for i in $(DO_INSTALL_LIBS); do ln -s $(@) $$i ; done
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$(do_strip)
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endif # ifeq ($(strip $(CONFIG_BUILD_LIBBUSYBOX)),y)
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busybox: $(top_builddir)/.depend $(LIBBUSYBOX_SONAME) $(BUSYBOX_SRC) $(APPLET_SRC) $(bin-obj.a)
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$(do_link) $(PROG_CFLAGS) $(PROG_LDFLAGS) $(CFLAGS_COMBINE) \
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$(foreach f,$(^:.o=.c),$(CFLAGS-$(notdir $(patsubst %/$,%,$(dir $(f))))-$(notdir $(f)))) \
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$(CFLAGS-$(@)) \
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-o $@ -Wl,--start-group \
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$(APPLETS_DEFINE) $(APPLET_SRC) \
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$(BUSYBOX_DEFINE) $(BUSYBOX_SRC) \
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$(bin-obj.a) \
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$(LDBUSYBOX) $(LIBRARIES) \
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-Wl,--end-group
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$(do_strip)
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busybox.links: $(top_srcdir)/applets/busybox.mkll include/bb_config.h $(top_srcdir)/include/applets.h
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$(Q)-$(SHELL) $^ >$@
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install: $(top_srcdir)/applets/install.sh busybox busybox.links
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$(Q)DO_INSTALL_LIBS="$(strip $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS))" \
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$(SHELL) $< $(PREFIX) $(INSTALL_OPTS)
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ifeq ($(strip $(CONFIG_FEATURE_SUID)),y)
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@echo
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@echo
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@echo --------------------------------------------------
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@echo You will probably need to make your busybox binary
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@echo setuid root to ensure all configured applets will
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@echo work properly.
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@echo --------------------------------------------------
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@echo
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endif
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uninstall: busybox.links
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rm -f $(PREFIX)/bin/busybox
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for i in `cat busybox.links` ; do rm -f $(PREFIX)$$i; done
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ifneq ($(strip $(DO_INSTALL_LIBS)),n)
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for i in $(LIBBUSYBOX_SONAME) $(DO_INSTALL_LIBS); do \
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rm -f $(PREFIX)$$i; \
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done
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endif
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check test: busybox
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bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
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$(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
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sizes:
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-rm -f busybox
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$(MAKE) top_srcdir=$(top_srcdir) top_builddir=$(top_builddir) \
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-f $(top_srcdir)/Makefile STRIPCMD=/bin/true
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$(NM) --size-sort busybox
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# Documentation Targets
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doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html ;
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docs/busybox.pod : $(top_srcdir)/docs/busybox_header.pod $(top_srcdir)/include/usage.h $(top_srcdir)/docs/busybox_footer.pod $(top_srcdir)/docs/autodocifier.pl
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-( cat $(top_srcdir)/docs/busybox_header.pod ; \
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$(top_srcdir)/docs/autodocifier.pl $(top_srcdir)/include/usage.h ; \
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cat $(top_srcdir)/docs/busybox_footer.pod ; ) > docs/busybox.pod
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docs/BusyBox.txt: docs/busybox.pod
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-pod2text $< > $@
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docs/BusyBox.1: docs/busybox.pod
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$(disp_doc)
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$(Q)-mkdir -p docs
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$(Q)-pod2man --center=BusyBox --release="version $(VERSION)" \
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$< > $@
|
|
|
|
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
|
|
$(disp_gen)
|
|
$(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
|
|
endif
|
|
|
|
depend dep: $(top_builddir)/.depend ;
|
|
$(top_builddir)/.depend: $(buildtree) scripts/bb_mkdep $(DEP_INCLUDES)
|
|
$(disp_gen)
|
|
$(Q)rm -f .depend
|
|
$(Q)scripts/bb_mkdep $(MKDEP_ARGS) \
|
|
-I $(top_srcdir)/include $(top_srcdir) > $@.tmp
|
|
$(Q)mv $@.tmp $@
|
|
|
|
include/bb_config.h: .config
|
|
$(disp_gen)
|
|
@$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
|
|
|
|
endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
|
|
|
|
clean:
|
|
- 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 \
|
|
$(DO_INSTALL_LIBS) $(LIBBUSYBOX_SONAME) \
|
|
.config.old busybox
|
|
- rm -r -f _install testsuite/links
|
|
- find . -name .\*.flags -exec rm -f {} \;
|
|
- find . -name \*.o -exec rm -f {} \;
|
|
- find . -name \*.om -exec rm -f {} \;
|
|
- find . -name \*.os -exec rm -f {} \;
|
|
- find . -name \*.a -exec rm -f {} \;
|
|
|
|
distclean: clean
|
|
- $(MAKE) -C scripts/config clean
|
|
- rm -f scripts/bb_mkdep
|
|
- rm -r -f include/config $(DEP_INCLUDES)
|
|
- find . -name .depend'*' -exec rm -f {} \;
|
|
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 .
|
|
|
|
# keep these in sync with noconfig_targets above!
|
|
.PHONY: dummy subdirs check test depend dep buildtree \
|
|
menuconfig config oldconfig randconfig \
|
|
defconfig allyesconfig allnoconfig allbareconfig \
|
|
clean distclean \
|
|
release tags
|