432 lines
12 KiB
Makefile
432 lines
12 KiB
Makefile
# Makefile for buildroot2
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#
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# Copyright (C) 1999-2005 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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# Just run 'make menuconfig', configure stuff, then run 'make'.
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# You shouldn't need to mess with anything beyond this point...
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#--------------------------------------------------------------
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TOPDIR=./
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CONFIG_CONFIG_IN=Config.in
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CONFIG_DEFCONFIG=.defconfig
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CONFIG=package/config
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DATE:=$(shell date -u +%Y%m%d)
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noconfig_targets:=menuconfig config oldconfig randconfig \
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defconfig allyesconfig allnoconfig release tags \
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source-check help
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# $(shell find . -name *_defconfig |sed 's/.*\///')
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# Pull in the user's configuration file
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ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
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ifeq ($(BOARD),)
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-include $(TOPDIR).config
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else
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-include $(TOPDIR)/local/$(BOARD)/$(BOARD).config
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endif
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endif
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ifneq ($(BUILDROOT_DL_DIR),)
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BR2_DL_DIR:=$(BUILDROOT_DL_DIR)
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endif
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ifneq ($(BUILDROOT_LOCAL),)
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LOCAL:=$(BUILDROOT_LOCAL)
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else
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LOCAL:=local
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endif
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# To put more focus on warnings, be less verbose as default
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# Use 'make V=1' to see the full commands
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ifdef V
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ifeq ("$(origin V)", "command line")
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KBUILD_VERBOSE=$(V)
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endif
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endif
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ifndef KBUILD_VERBOSE
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KBUILD_VERBOSE=0
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endif
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ifeq ($(KBUILD_VERBOSE),1)
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quiet=
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Q=
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else
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quiet=quiet_
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Q=@
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endif
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CONFIG_SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
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else if [ -x /bin/bash ]; then echo /bin/bash; \
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else echo sh; fi; fi)
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export CONFIG_SHELL quiet Q KBUILD_VERBOSE
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ifndef HOSTAR
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HOSTAR:=ar
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endif
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ifndef HOSTAS
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HOSTAS:=as
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endif
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ifndef HOSTCC
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HOSTCC:=gcc
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else
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endif
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ifndef HOSTCXX
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HOSTCXX:=g++
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endif
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ifndef HOSTLD
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HOSTLD:=ld
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endif
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ifndef HOSTLN
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HOSTLN:=ln
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endif
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HOSTAR:=$(shell $(CONFIG_SHELL) -c "which $(HOSTAR)" || type -p $(HOSTAR) || echo ar)
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HOSTAS:=$(shell $(CONFIG_SHELL) -c "which $(HOSTAS)" || type -p $(HOSTAS) || echo as)
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HOSTCC:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCC)" || type -p $(HOSTCC) || echo gcc)
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HOSTCXX:=$(shell $(CONFIG_SHELL) -c "which $(HOSTCXX)" || type -p $(HOSTCXX) || echo g++)
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HOSTLD:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLD)" || type -p $(HOSTLD) || echo ld)
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HOSTLN:=$(shell $(CONFIG_SHELL) -c "which $(HOSTLN)" || type -p $(HOSTLN) || echo ln)
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ifndef CFLAGS_FOR_BUILD
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CFLAGS_FOR_BUILD:=-g -O2
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endif
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export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTLD
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ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)
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# cc-option
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# Usage: cflags-y+=$(call cc-option, -march=winchip-c6, -march=i586)
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# sets -march=winchip-c6 if supported else falls back to -march=i586
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# without checking the latter.
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cc-option=$(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
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> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
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#############################################################
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#
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# Hide troublesome environment variables from sub processes
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#
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#############################################################
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unexport CROSS_COMPILE
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unexport ARCH
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#############################################################
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#
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# Setup the proper filename extensions for the host
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#
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##############################################################
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ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
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HOST_EXEEXT:=
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HOST_LIBEXT:=.a
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HOST_SHREXT:=.so
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endif
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ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
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HOST_EXEEXT:=
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HOST_LIBEXT:=.a
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HOST_SHREXT:=.dylib
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endif
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ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
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HOST_EXEEXT:=.exe
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HOST_LIBEXT:=.lib
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HOST_SHREXT:=.dll
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endif
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ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
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HOST_EXEEXT:=.exe
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HOST_LIBEXT:=.lib
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HOST_SHREXT:=.dll
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endif
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# The preferred type of libs we build for the target
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ifeq ($(BR2_PREFER_STATIC_LIB),y)
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LIBTGTEXT=.a
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#PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
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else
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LIBTGTEXT=.so
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#PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
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endif
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PREFERRED_LIB_FLAGS:=--enable-static --enable-shared
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##############################################################
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#
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# The list of stuff to build for the target toolchain
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# along with the packages to build for the target.
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#
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##############################################################
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ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
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BASE_TARGETS:=uclibc-configured binutils gcc uclibc-target-utils
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else
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BASE_TARGETS:=uclibc
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endif
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TARGETS:=
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# setup our pathes
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include project/Makefile.in
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BR2_DEPENDS_DIR=$(PROJECT_BUILD_DIR)/buildroot-config
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include toolchain/Makefile.in
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include package/Makefile.in
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#############################################################
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#
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# You should probably leave this stuff alone unless you know
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# what you are doing.
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#
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#############################################################
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all: world
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# In this section, we need .config
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include .config.cmd
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include project/*.mk
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# We also need the various per-package makefiles, which also add
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# each selected package to TARGETS if that package was selected
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# in the .config file.
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ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
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# avoid pulling in external toolchain which is broken for toplvl parallel builds
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include $(filter-out $(wildcard toolchain/external-toolchain/*),$(wildcard toolchain/*/*.mk))
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else
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include toolchain/*/*.mk
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endif
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ifeq ($(BR2_PACKAGE_LINUX),y)
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TARGETS+=linux26-modules
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endif
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include package/*/*.mk
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# target stuff is last so it can override anything else
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include target/Makefile.in
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TARGETS+=erase-fakeroots
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TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
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TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS))
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TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
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TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
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# all targets depend on the crosscompiler and it's prerequisites
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$(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
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$(BR2_DEPENDS_DIR): .config
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rm -rf $@
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mkdir -p $(@D)
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cp -dpRf $(CONFIG)/buildroot-config $@
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dirs: $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
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$(BR2_DEPENDS_DIR) \
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$(BINARIES_DIR) $(PROJECT_BUILD_DIR)
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$(BASE_TARGETS): dirs
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world: dependencies dirs target-host-info $(BASE_TARGETS) $(TARGETS_ALL)
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.PHONY: all world dirs clean dirclean distclean source \
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$(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
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$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
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$(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
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$(BR2_DEPENDS_DIR) \
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$(BINARIES_DIR) $(PROJECT_BUILD_DIR)
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#############################################################
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#
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# staging and target directories do NOT list these as
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# dependencies anywhere else
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#
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#############################################################
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$(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) \
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$(PROJECT_BUILD_DIR) $(BINARIES_DIR):
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@mkdir -p $@
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$(STAGING_DIR):
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@mkdir -p $(STAGING_DIR)/bin
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@mkdir -p $(STAGING_DIR)/lib
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ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
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@mkdir -p $(STAGING_DIR)/usr/lib
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else
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@ln -snf . $(STAGING_DIR)/usr
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@mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
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@ln -snf ../lib $(STAGING_DIR)/usr/lib
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@ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
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endif
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@mkdir -p $(STAGING_DIR)/usr/include
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$(PROJECT_BUILD_DIR)/.root:
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mkdir -p $(TARGET_DIR)
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if ! [ -d "$(TARGET_DIR)/bin" ]; then \
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if [ -d "$(TARGET_SKELETON)" ]; then \
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cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
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fi; \
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touch $(STAGING_DIR)/.fakeroot.00000; \
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fi
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-find $(TARGET_DIR) -type d -name CVS | xargs rm -rf
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-find $(TARGET_DIR) -type d -name .svn | xargs rm -rf
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touch $@
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$(TARGET_DIR): $(PROJECT_BUILD_DIR)/.root
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erase-fakeroots:
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rm -f $(PROJECT_BUILD_DIR)/.fakeroot*
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source: $(TARGETS_SOURCE) $(HOST_SOURCE)
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_source-check:
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$(MAKE) SPIDER=--spider source
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#############################################################
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#
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# Cleanup and misc junk
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#
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#############################################################
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clean: $(TARGETS_CLEAN)
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rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
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dirclean: $(TARGETS_DIRCLEAN)
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rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
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distclean:
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ifeq ($(DL_DIR),$(BASE_DIR)/dl)
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rm -rf $(DL_DIR)
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endif
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rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR) \
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$(LINUX_KERNEL) $(IMAGE) $(BASE_DIR)/include \
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.config.cmd
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$(MAKE) -C $(CONFIG) clean
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sourceball:
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rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR)
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set -e; \
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cd ..; \
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rm -f buildroot.tar.bz2; \
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tar -cvf buildroot.tar buildroot; \
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bzip2 -9 buildroot.tar; \
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else # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)
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all: menuconfig
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# configuration
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# ---------------------------------------------------------------------------
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HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
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export HOSTCFLAGS
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$(CONFIG)/conf:
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@mkdir -p $(CONFIG)/buildroot-config
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$(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf
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-@if [ ! -f .config ]; then \
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cp $(CONFIG_DEFCONFIG) .config; \
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fi
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$(CONFIG)/mconf:
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@mkdir -p $(CONFIG)/buildroot-config
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$(MAKE) CC="$(HOSTCC)" -C $(CONFIG) 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: $(CONFIG)/mconf
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@mkdir -p $(CONFIG)/buildroot-config
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@if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
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KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
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$(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
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test -f .config.cmd || rm -f .config; \
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fi
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config: $(CONFIG)/conf
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@mkdir -p $(CONFIG)/buildroot-config
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@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
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KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
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$(CONFIG)/conf $(CONFIG_CONFIG_IN)
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oldconfig: $(CONFIG)/conf
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@mkdir -p $(CONFIG)/buildroot-config
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@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
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KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
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$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
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randconfig: $(CONFIG)/conf
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@mkdir -p $(CONFIG)/buildroot-config
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@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
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KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
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$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
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allyesconfig: $(CONFIG)/conf
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cat $(CONFIG_DEFCONFIG) > .config
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@mkdir -p $(CONFIG)/buildroot-config
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@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
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KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
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$(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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allnoconfig: $(CONFIG)/conf
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@mkdir -p $(CONFIG)/buildroot-config
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@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
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KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
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$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
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defconfig: $(CONFIG)/conf
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@mkdir -p $(CONFIG)/buildroot-config
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@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
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KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
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$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
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# check if download URLs are outdated
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source-check: allyesconfig
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$(MAKE) _source-check
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#############################################################
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#
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# Cleanup and misc junk
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#
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#############################################################
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clean:
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rm -f .config .config.old .config.cmd .tmpconfig.h
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-$(MAKE) -C $(CONFIG) clean
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distclean: clean
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rm -rf sources/*
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endif # ifeq ($(strip $(BR2_HAVE_DOT_CONFIG)),y)
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%_defconfig: $(CONFIG)/conf
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cp $(shell find ./target/ -name $@) .config
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@$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
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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 - make world'
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@echo
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@echo '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 'Miscellaneous:'
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@echo ' source - download all sources needed for offline-build'
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@echo ' source-check - check all packages for valid download URLs'
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@echo
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@echo 'See docs/README and docs/buildroot.html for further details'
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@echo
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.PHONY: dummy subdirs release distclean clean config oldconfig \
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menuconfig tags check test depend defconfig help
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