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7daa076d3e
Hi! I've created a patch to busybox' build system to allow building it in separate tree in a manner similar to kbuild from kernel version 2.6. That is, one runs command like 'make O=/build/some/where/for/specific/target/and/options' and everything is built in this exact directory, provided that it exists. I understand that applyingc such invasive changes during 'release candidates' stage of development is at best unwise. So, i'm currently asking for comments about this patch, starting from whether such thing is needed at all to whether it coded properly. 'make check' should work now, and one make creates Makefile in build directory, so one can run 'make' in build directory after that. One possible caveat is that if we build in some directory other than source one, the source directory should be 'distclean'ed first. egor
316 lines
9.2 KiB
Makefile
316 lines
9.2 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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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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 clean distclean \
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release tags
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ifndef TOPDIR
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TOPDIR=$(CURDIR)/
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endif
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ifndef top_srcdir
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top_srcdir=$(CURDIR)
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endif
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ifndef top_builddir
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top_builddir=$(CURDIR)
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endif
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srctree=$(top_srcdir)
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vpath %/Config.in $(srctree)
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include $(top_builddir)/Rules.mak
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DIRS:=applets archival archival/libunarchive coreutils console-tools \
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debianutils editors findutils init miscutils modutils networking \
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networking/libiproute networking/udhcp procps loginutils shell \
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sysklogd util-linux libpwdgrp coreutils/libcoreutils libbb
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SRC_DIRS:=$(patsubst %,$(top_srcdir)/%,$(DIRS))
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ifeq ($(strip $(CONFIG_SELINUX)),y)
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CFLAGS += -I/usr/include/selinux
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LIBRARIES += -lsecure
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endif
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CONFIG_CONFIG_IN = $(top_srcdir)/sysdeps/$(TARGET_OS)/Config.in
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CONFIG_DEFCONFIG = $(top_srcdir)/sysdeps/$(TARGET_OS)/defconfig
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ALL_DIRS:= $(DIRS) scripts/config
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ALL_MAKEFILES:=$(patsubst %,%/Makefile,$(ALL_DIRS))
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ifeq ($(KBUILD_SRC),)
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ifdef O
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ifeq ("$(origin O)", "command line")
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KBUILD_OUTPUT := $(O)
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endif
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endif
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# That's our default target when none is given on the command line
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.PHONY: _all
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_all:
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ifneq ($(KBUILD_OUTPUT),)
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# Invoke a second make in the output directory, passing relevant variables
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# check that the output directory actually exists
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saved-output := $(KBUILD_OUTPUT)
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KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
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$(if $(wildcard $(KBUILD_OUTPUT)),, \
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$(error output directory "$(saved-output)" does not exist))
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.PHONY: $(MAKECMDGOALS)
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$(filter-out _all,$(MAKECMDGOALS)) _all: $(KBUILD_OUTPUT)/Rules.mak $(KBUILD_OUTPUT)/Makefile
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$(MAKE) -C $(KBUILD_OUTPUT) \
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top_srcdir=$(CURDIR) \
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top_builddir=$(KBUILD_OUTPUT) \
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TOPDIR=$(KBUILD_OUTPUT) \
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KBUILD_SRC=$(CURDIR) \
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-f $(CURDIR)/Makefile $@
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$(KBUILD_OUTPUT)/Rules.mak:
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@echo > $@
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@echo top_srcdir=$(CURDIR) >> $@
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@echo top_builddir=$(KBUILD_OUTPUT) >> $@
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@echo include $(top_srcdir)/Rules.mak >> $@
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$(KBUILD_OUTPUT)/Makefile:
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@echo > $@
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@echo top_srcdir=$(CURDIR) >> $@
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@echo top_builddir=$(KBUILD_OUTPUT) >> $@
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@echo KBUILD_SRC='$$(top_srcdir)' >> $@
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@echo include '$$(KBUILD_SRC)'/Makefile >> $@
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# Leave processing to above invocation of make
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skip-makefile := 1
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endif # ifneq ($(KBUILD_OUTPUT),)
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endif # ifeq ($(KBUILD_SRC),)
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ifeq ($(skip-makefile),)
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_all: all
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ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
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all: busybox busybox.links doc
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all_tree: $(ALL_MAKEFILES)
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$(ALL_MAKEFILES): %/Makefile: $(top_srcdir)/%/Makefile
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d=`dirname $@`; [ -d "$$d" ] || mkdir -p "$$d"; cp $< $@
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# In this section, we need .config
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-include $(top_builddir)/.config.cmd
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include $(patsubst %,%/Makefile.in, $(SRC_DIRS))
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-include $(top_builddir)/.depend
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busybox: $(ALL_MAKEFILES) .depend include/config.h $(libraries-y)
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$(CC) $(LDFLAGS) -o $@ -Wl,--start-group $(libraries-y) $(LIBRARIES) -Wl,--end-group
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$(STRIPCMD) $@
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busybox.links: $(top_srcdir)/applets/busybox.mkll include/config.h $(top_srcdir)/include/applets.h
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- $(SHELL) $^ >$@
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install: applets/install.sh busybox busybox.links
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$(SHELL) $< $(PREFIX)
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ifeq ($(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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install-hardlinks: applets/install.sh busybox busybox.links
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$(SHELL) $< $(PREFIX) --hardlinks
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check: busybox
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bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
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$(top_srcdir)/testsuite/runtest
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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
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-mkdir -p docs
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- ( 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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@echo
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@echo BusyBox Documentation
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@echo
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-mkdir -p docs
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-pod2text $< > $@
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docs/BusyBox.1: docs/busybox.pod
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- mkdir -p docs
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- pod2man --center=BusyBox --release="version $(VERSION)" \
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$< > $@
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docs/BusyBox.html: docs/busybox.net/BusyBox.html
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- mkdir -p docs
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-@ rm -f docs/BusyBox.html
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-@ cp docs/busybox.net/BusyBox.html docs/BusyBox.html
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docs/busybox.net/BusyBox.html: docs/busybox.pod
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-@ mkdir -p docs/busybox.net
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- pod2html --noindex $< > \
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docs/busybox.net/BusyBox.html
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-@ rm -f pod2htm*
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# The nifty new buildsystem stuff
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scripts/mkdep: $(top_srcdir)/scripts/mkdep.c
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$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
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scripts/split-include: $(top_srcdir)/scripts/split-include.c
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$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
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.depend: scripts/mkdep
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rm -f .depend .hdepend;
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mkdir -p include/config;
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scripts/mkdep -I include -- \
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`find $(top_srcdir) -name \*.c -print | sed -e "s,^./,,"` >> .depend;
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scripts/mkdep -I include -- \
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`find $(top_srcdir) -name \*.h -print | sed -e "s,^./,,"` >> .hdepend;
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depend dep: include/config.h .depend
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include/config/MARKER: depend scripts/split-include
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scripts/split-include include/config.h include/config
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@ touch include/config/MARKER
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include/config.h: .config
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@if [ ! -x $(top_builddir)/scripts/config/conf ] ; then \
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$(MAKE) -C scripts/config conf; \
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fi;
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@$(top_builddir)/scripts/config/conf -o $(CONFIG_CONFIG_IN)
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finished2:
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@echo
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@echo Finished installing...
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@echo
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else # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
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all: menuconfig
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# configuration
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# ---------------------------------------------------------------------------
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$(ALL_MAKEFILES): %/Makefile: $(top_srcdir)/%/Makefile
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d=`dirname $@`; [ -d "$$d" ] || mkdir -p "$$d"; cp $< $@
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scripts/config/conf: scripts/config/Makefile Rules.mak
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$(MAKE) -C scripts/config conf
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-@if [ ! -f .config ] ; then \
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cp $(CONFIG_DEFCONFIG) .config; \
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fi
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scripts/config/mconf: scripts/config/Makefile Rules.mak
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$(MAKE) -C scripts/config ncurses conf mconf
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-@if [ ! -f .config ] ; then \
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cp $(CONFIG_DEFCONFIG) .config; \
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fi
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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 -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
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sed -i -e "s/^USING_CROSS_COMPILER.*/# USING_CROSS_COMPILER is not set/" .config
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sed -i -e "s/^CONFIG_STATIC.*/# CONFIG_STATIC is not set/" .config
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sed -i -e "s/^CONFIG_SELINUX.*/# CONFIG_SELINUX 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: scripts/config/conf
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@./scripts/config/conf -d $(CONFIG_CONFIG_IN)
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clean:
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- rm -f docs/busybox.dvi docs/busybox.ps \
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docs/busybox.pod docs/busybox.net/busybox.html \
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docs/busybox pod2htm* *.gdb *.elf *~ core .*config.log \
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docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html \
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docs/busybox.net/BusyBox.html busybox.links libbb/loop.h \
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.config.old .hdepend busybox
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- rm -rf _install
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- find . -name .\*.flags -exec rm -f {} \;
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- find . -name \*.o -exec rm -f {} \;
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- find . -name \*.a -exec rm -f {} \;
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distclean: clean
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- rm -f scripts/split-include scripts/mkdep
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- rm -rf include/config include/config.h
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- find . -name .depend -exec rm -f {} \;
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rm -f .config .config.old .config.cmd
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- $(MAKE) -C scripts/config clean
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release: distclean #doc
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cd ..; \
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rm -rf $(PROG)-$(VERSION); \
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cp -a busybox $(PROG)-$(VERSION); \
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\
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find $(PROG)-$(VERSION)/ -type d \
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-name CVS \
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-print \
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-exec rm -rf {} \; ; \
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\
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find $(PROG)-$(VERSION)/ -type f \
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-name .\#* \
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-print \
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-exec rm -f {} \; ; \
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\
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tar -cvzf $(PROG)-$(VERSION).tar.gz $(PROG)-$(VERSION)/;
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tags:
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ctags -R .
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endif # ifeq ($(strip $(HAVE_DOT_CONFIG)),y)
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endif # ifeq ($(skip-makefile),)
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.PHONY: dummy subdirs release distclean clean config oldconfig \
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menuconfig tags check test depend buildtree
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