kumquat-buildroot/Makefile

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# 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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# Copyright (C) 2006-2009 by the Buildroot developers <buildroot@uclibc.org>
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#
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# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
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#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#--------------------------------------------------------------
# Just run 'make menuconfig', configure stuff, then run 'make'.
# You shouldn't need to mess with anything beyond this point...
#--------------------------------------------------------------
TOPDIR=./
CONFIG_CONFIG_IN=Config.in
CONFIG_DEFCONFIG=.defconfig
CONFIG=package/config
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DATE:=$(shell date +%Y%m%d)
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noconfig_targets:=menuconfig config oldconfig randconfig \
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defconfig allyesconfig allnoconfig release tags \
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source-check help
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# Use shell variables, if defined
ifneq ($(BUILDROOT_LOCAL),)
BR2_LOCAL:=$(BUILDROOT_LOCAL)
else
BR2_LOCAL:=$(TOPDIR)/local
endif
# Variables for use in Make constructs
comma:=,
empty:=
space:=$(empty) $(empty)
# $(shell find . -name *_defconfig |sed 's/.*\///')
# Pull in the user's configuration file
ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
ifeq ($(BOARD),)
# if "make BOARD=xyz" command
-include .config
else
# if "make" command
-include $(BR2_LOCAL)/$(BOARD)/$(BOARD).config
endif
endif
# Override BR2_DL_DIR if shell variable defined
ifneq ($(BUILDROOT_DL_DIR),)
BR2_DL_DIR:=$(BUILDROOT_DL_DIR)
endif
LOCAL:=$(BR2_LOCAL)
# To put more focus on warnings, be less verbose as default
# Use 'make V=1' to see the full commands
ifdef V
ifeq ("$(origin V)", "command line")
KBUILD_VERBOSE=$(V)
endif
endif
ifndef KBUILD_VERBOSE
KBUILD_VERBOSE=0
endif
ifeq ($(KBUILD_VERBOSE),1)
quiet=
Q=
ifndef VERBOSE
VERBOSE=1
endif
else
quiet=quiet_
Q=@
endif
# we want bash as shell
SHELL:=$(shell if [ -x "$$BASH" ]; then echo $$BASH; \
else if [ -x /bin/bash ]; then echo /bin/bash; \
else echo sh; fi; fi)
# kconfig uses CONFIG_SHELL
CONFIG_SHELL:=$(SHELL)
export SHELL CONFIG_SHELL quiet Q KBUILD_VERBOSE VERBOSE
ifndef HOSTAR
HOSTAR:=ar
endif
ifndef HOSTAS
HOSTAS:=as
endif
ifndef HOSTCC
HOSTCC:=gcc
else
endif
ifndef HOSTCXX
HOSTCXX:=g++
endif
ifndef HOSTFC
HOSTFC:=gfortran
endif
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ifndef HOSTCPP
HOSTCPP:=cpp
endif
ifndef HOSTLD
HOSTLD:=ld
endif
ifndef HOSTLN
HOSTLN:=ln
endif
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ifndef HOSTNM
HOSTNM:=nm
endif
HOSTAR:=$(shell which $(HOSTAR) || type -p $(HOSTAR) || echo ar)
HOSTAS:=$(shell which $(HOSTAS) || type -p $(HOSTAS) || echo as)
HOSTCC:=$(shell which $(HOSTCC) || type -p $(HOSTCC) || echo gcc)
HOSTCXX:=$(shell which $(HOSTCXX) || type -p $(HOSTCXX) || echo g++)
HOSTFC:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo || which g77 || type -p g77 || echo gfortran)
HOSTCPP:=$(shell which $(HOSTCPP) || type -p $(HOSTCPP) || echo cpp)
HOSTLD:=$(shell which $(HOSTLD) || type -p $(HOSTLD) || echo ld)
HOSTLN:=$(shell which $(HOSTLN) || type -p $(HOSTLN) || echo ln)
HOSTNM:=$(shell which $(HOSTNM) || type -p $(HOSTNM) || echo nm)
ifndef CFLAGS_FOR_BUILD
CFLAGS_FOR_BUILD:=-g -O2
endif
ifndef CXXFLAGS_FOR_BUILD
CXXFLAGS_FOR_BUILD:=-g -O2
endif
ifndef FCFLAGS_FOR_BUILD
FCFLAGS_FOR_BUILD:=-g -O2
endif
export HOSTAR HOSTAS HOSTCC HOSTCXX HOSTFC HOSTLD
ifeq ($(BR2_HAVE_DOT_CONFIG),y)
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# cc-option
# Usage: cflags-y+=$(call cc-option, -march=winchip-c6, -march=i586)
# sets -march=winchip-c6 if supported else falls back to -march=i586
# without checking the latter.
cc-option=$(shell if $(TARGET_CC) $(TARGET_CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
#############################################################
#
# Hide troublesome environment variables from sub processes
#
#############################################################
unexport CROSS_COMPILE
unexport ARCH
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#############################################################
#
# Setup the proper filename extensions for the host
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#
##############################################################
ifneq ($(findstring linux,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=
HOST_LIBEXT:=.a
HOST_SHREXT:=.so
endif
ifneq ($(findstring apple,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=
HOST_LIBEXT:=.a
HOST_SHREXT:=.dylib
endif
ifneq ($(findstring cygwin,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=.exe
HOST_LIBEXT:=.lib
HOST_SHREXT:=.dll
HOST_LOADLIBES="-lcurses -lintl"
export HOST_LOADLIBES
endif
ifneq ($(findstring mingw,$(BR2_GNU_BUILD_SUFFIX)),)
HOST_EXEEXT:=.exe
HOST_LIBEXT:=.lib
HOST_SHREXT:=.dll
endif
# The preferred type of libs we build for the target
ifeq ($(BR2_PREFER_STATIC_LIB),y)
LIBTGTEXT=.a
#PREFERRED_LIB_FLAGS:=--disable-shared --enable-static
else
LIBTGTEXT=.so
#PREFERRED_LIB_FLAGS:=--disable-static --enable-shared
endif
PREFERRED_LIB_FLAGS:=--enable-static --enable-shared
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##############################################################
#
# The list of stuff to build for the target toolchain
# along with the packages to build for the target.
#
##############################################################
ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
BASE_TARGETS:=uclibc-configured binutils cross_compiler uclibc-target-utils kernel-headers
else
External toolchain support improvements Improve external toolchain support * Do not put kernel-headers in the dependencies of BASE_TARGETS in the case where BR2_TOOLCHAIN_SOURCE is not y. The kernel headers are already supposed to be part of the external toolchain, so there's no need to download, extract and install them. * In the configuration system, don't display the kernel headers version selection list when an external toolchain is selected. This is implemented by moving the source "toolchain/kernel-headers/Config.in" inside the if BR2_TOOLCHAIN_SOURCE in toolchain/Config.in.2. * Change the description and help message of the BR2_LARGEFILE, BR2_INET_IPV6, BR2_INET_RPC, and BR2_SOFT_FLOAT option in toolchain/external-toolchain/Config.in. In the case of an external toolchain, the semantic of these options is not to enable large file support, IPV6 or RPC (since the toolchain is already compiled, it has been decided previously). Their semantic is to let Buildroot know about the characteristics of the external toolchain being used. As an improvement, we could guess these values automatically: - for BR2_LARGEFILE, look at the value of __UCLIBC_HAS_LFS__ in bits/uClibc_config.h in the libc headers directory. - for BR2_INET_RPC, look at the value of __UCLIBC_HAS_RPC__ in the same file - for BR2_INET_IPV6, look at the value of __UCLIBC_HAS_IPV6__ in the same file - for BR2_SOFT_FLOAT, look at the output of $(CC) -v 2>&1 | grep -- "--with-float=soft" But I'm not sure how this would be possible, since these values are used at configuration-time by other configuration options, not only at build time. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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BASE_TARGETS:=uclibc
endif
TARGETS:=
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# setup our paths
include project/Makefile.in
BR2_DEPENDS_DIR=$(PROJECT_BUILD_DIR)/buildroot-config
include toolchain/Makefile.in
include package/Makefile.in
#############################################################
#
# You should probably leave this stuff alone unless you know
# what you are doing.
#
#############################################################
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all: world
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# In this section, we need .config
include .config.cmd
include project/*.mk
# We also need the various per-package makefiles, which also add
# each selected package to TARGETS if that package was selected
# in the .config file.
ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
# avoid pulling in external toolchain which is broken for toplvl parallel builds
# Explicit ordering:
include toolchain/dependencies/dependencies.mk
include toolchain/binutils/binutils.mk
include toolchain/ccache/ccache.mk
include toolchain/elf2flt/elf2flt.mk
include toolchain/gcc/gcc-uclibc-3.x.mk
include toolchain/gcc/gcc-uclibc-4.x.mk
include toolchain/gdb/gdb.mk
include toolchain/kernel-headers/kernel-headers.mk
include toolchain/mklibs/mklibs.mk
include toolchain/sstrip/sstrip.mk
include toolchain/uClibc/uclibc.mk
else
include toolchain/*/*.mk
endif
ifeq ($(BR2_PACKAGE_LINUX),y)
TARGETS+=linux26-modules
endif
include package/*/*.mk
TARGETS+=target-devfiles
# target stuff is last so it can override anything else
include target/Makefile.in
TARGETS+=erase-fakeroots
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TARGETS_CLEAN:=$(patsubst %,%-clean,$(TARGETS))
TARGETS_SOURCE:=$(patsubst %,%-source,$(TARGETS) $(BASE_TARGETS))
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TARGETS_DIRCLEAN:=$(patsubst %,%-dirclean,$(TARGETS))
TARGETS_ALL:=$(patsubst %,__real_tgt_%,$(TARGETS))
# all targets depend on the crosscompiler and it's prerequisites
$(TARGETS_ALL): __real_tgt_%: $(BASE_TARGETS) %
$(BR2_DEPENDS_DIR): .config
rm -rf $@
mkdir -p $(@D)
cp -dpRf $(CONFIG)/buildroot-config $@
dirs: $(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
$(HOST_DIR) $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(PROJECT_BUILD_DIR) \
$(PROJECT_BUILD_DIR)/autotools-stamps
$(BASE_TARGETS): dirs
world: dependencies dirs target-host-info $(BASE_TARGETS) $(TARGETS_ALL)
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.PHONY: all world dirs clean dirclean distclean source \
$(BASE_TARGETS) $(TARGETS) $(TARGETS_ALL) \
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$(TARGETS_CLEAN) $(TARGETS_DIRCLEAN) $(TARGETS_SOURCE) \
$(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(STAGING_DIR) $(TARGET_DIR) \
$(HOST_DIR) $(BR2_DEPENDS_DIR) $(BINARIES_DIR) $(PROJECT_BUILD_DIR) \
$(PROJECT_BUILD_DIR)/autotools-stamps
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#############################################################
#
# staging and target directories do NOT list these as
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# dependencies anywhere else
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#
#############################################################
$(DL_DIR) $(TOOL_BUILD_DIR) $(BUILD_DIR) $(HOST_DIR) $(PROJECT_BUILD_DIR) \
$(PROJECT_BUILD_DIR)/autotools-stamps $(BINARIES_DIR):
@mkdir -p $@
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$(STAGING_DIR):
@mkdir -p $(STAGING_DIR)/bin
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@mkdir -p $(STAGING_DIR)/lib
ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
@mkdir -p $(STAGING_DIR)/usr/lib
else
ifneq ($(BR2_TOOLCHAIN_EXTERNAL),y)
@ln -snf . $(STAGING_DIR)/usr
@mkdir -p $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)
@ln -snf ../lib $(STAGING_DIR)/usr/lib
@ln -snf ../lib $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib
endif
endif
@mkdir -p $(STAGING_DIR)/usr/include
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$(PROJECT_BUILD_DIR)/.root:
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mkdir -p $(TARGET_DIR)
if ! [ -d "$(TARGET_DIR)/bin" ]; then \
if [ -d "$(TARGET_SKELETON)" ]; then \
cp -fa $(TARGET_SKELETON)/* $(TARGET_DIR)/; \
fi; \
touch $(STAGING_DIR)/.fakeroot.00000; \
fi
-find $(TARGET_DIR) -type d -name CVS -o -name .svn | xargs rm -rf
-find $(TARGET_DIR) -type f -name .empty | xargs rm -rf
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touch $@
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$(TARGET_DIR): $(PROJECT_BUILD_DIR)/.root
erase-fakeroots:
rm -f $(PROJECT_BUILD_DIR)/.fakeroot*
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target-devfiles:
ifeq ($(BR2_HAVE_DEVFILES),y)
( scripts/copy.sh $(STAGING_DIR) $(TARGET_DIR) )
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else
rm -rf $(TARGET_DIR)/usr/include $(TARGET_DIR)/usr/lib/pkgconfig
find $(TARGET_DIR)/usr/lib -name '*.a' -delete
find $(TARGET_DIR)/lib -name '*.a' -delete
find $(TARGET_DIR)/usr/lib -name '*.la' -delete
find $(TARGET_DIR)/lib -name '*.la' -delete
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endif
source: $(TARGETS_SOURCE) $(HOST_SOURCE)
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_source-check:
$(MAKE) SPIDER=--spider source
external-deps:
@$(MAKE) -Bs BR2_WGET=$(TOPDIR)/toolchain/wget-show-external-deps.sh \
SPIDER=--spider source
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#############################################################
#
# Cleanup and misc junk
#
#############################################################
clean: $(TARGETS_CLEAN)
rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps
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dirclean: $(TARGETS_DIRCLEAN)
rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE) $(PROJECT_BUILD_DIR)/.root $(PROJECT_BUILD_DIR)/autotools-stamps
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distclean:
ifeq ($(DL_DIR),$(BASE_DIR)/dl)
rm -rf $(DL_DIR)
endif
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rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR) \
$(LINUX_KERNEL) $(BASE_DIR)/include \
.config.cmd
$(MAKE) -C $(CONFIG) clean
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sourceball:
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rm -rf $(BUILD_DIR) $(PROJECT_BUILD_DIR) $(BINARIES_DIR)
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set -e; \
cd ..; \
rm -f buildroot.tar.bz2; \
tar -cvf buildroot.tar buildroot; \
bzip2 -9 buildroot.tar; \
else # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
all: menuconfig
# configuration
# ---------------------------------------------------------------------------
HOSTCFLAGS=$(CFLAGS_FOR_BUILD)
export HOSTCFLAGS
$(CONFIG)/conf:
@mkdir -p $(CONFIG)/buildroot-config
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$(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf
-@if [ ! -f .config ]; then \
cp $(CONFIG_DEFCONFIG) .config; \
fi
$(CONFIG)/mconf:
@mkdir -p $(CONFIG)/buildroot-config
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$(MAKE) CC="$(HOSTCC)" -C $(CONFIG) conf mconf
-@if [ ! -f .config ]; then \
cp $(CONFIG_DEFCONFIG) .config; \
fi
menuconfig: $(CONFIG)/mconf
@mkdir -p $(CONFIG)/buildroot-config
@if ! KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/mconf $(CONFIG_CONFIG_IN); then \
test -f .config.cmd || rm -f .config; \
fi
config: $(CONFIG)/conf
@mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf $(CONFIG_CONFIG_IN)
oldconfig: $(CONFIG)/conf
@mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -o $(CONFIG_CONFIG_IN)
randconfig: $(CONFIG)/conf
@mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -r $(CONFIG_CONFIG_IN)
allyesconfig: $(CONFIG)/conf
cat $(CONFIG_DEFCONFIG) > .config
@mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -y $(CONFIG_CONFIG_IN)
#sed -i -e "s/^CONFIG_DEBUG.*/# CONFIG_DEBUG is not set/" .config
allnoconfig: $(CONFIG)/conf
@mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -n $(CONFIG_CONFIG_IN)
defconfig: $(CONFIG)/conf
@mkdir -p $(CONFIG)/buildroot-config
@KCONFIG_AUTOCONFIG=$(CONFIG)/buildroot-config/auto.conf \
KCONFIG_AUTOHEADER=$(CONFIG)/buildroot-config/autoconf.h \
$(CONFIG)/conf -d $(CONFIG_CONFIG_IN)
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# check if download URLs are outdated
source-check: allyesconfig
$(MAKE) _source-check
#############################################################
#
# Cleanup and misc junk
#
#############################################################
clean:
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rm -f .config .config.old .config.cmd .tmpconfig.h .lognr.*
-$(MAKE) -C $(CONFIG) clean
distclean: clean
rm -rf sources/*
endif # ifeq ($(BR2_HAVE_DOT_CONFIG),y)
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flush:
rm -f $(PROJECT_BUILD_DIR)/tgt-config.cache
%_defconfig: $(CONFIG)/conf
cp $(shell find ./target/ -name $@) .config
-@$(MAKE) oldconfig
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update:
cp .config $(BOARD_PATH)/$(PROJECT)_defconfig
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configured: dirs host-sed kernel-headers uclibc-config busybox-config linux26-config
prepatch: gcc-patched binutils-patched gdb-patched uclibc-patched
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.lognr.$(PROJECT):
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@echo "0" > .lognr.$(PROJECT)
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log: .lognr.$(PROJECT)
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@expr `cat .lognr.$(PROJECT)` + 1 > .lognr.$(PROJECT)
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@echo Creating $(PROJECT)-`cat .lognr.$(PROJECT)`.log
@$(MAKE) > $(PROJECT)-`cat .lognr.$(PROJECT)`.log 2>&1
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cross: $(BASE_TARGETS)
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help:
@echo 'Cleaning:'
@echo ' clean - delete temporary files created by build'
@echo ' distclean - delete all non-source files (including .config)'
@echo
@echo 'Build:'
@echo ' all - make world'
@echo
@echo 'Configuration:'
@echo ' menuconfig - interactive curses-based configurator'
@echo ' oldconfig - resolve any unresolved symbols in .config'
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@echo ' configured - make {uclibc/busybox/linux26}-config'
@echo ' saveconfig - save current configuration under local/<project>'
@echo ' getconfig - restore saved configuration from local/<project>'
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@echo
@echo 'Miscellaneous:'
@echo ' source - download all sources needed for offline-build'
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@echo ' source-check - check all packages for valid download URLs'
@echo ' external-deps - list external packages used'
@echo ' flush - flush configuration cache'
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@echo
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@echo 'See docs/README and docs/buildroot.html for further details'
@echo
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release: distclean
OUT=buildroot-$$(grep -A2 BR2_VERSION $(CONFIG_CONFIG_IN)|grep default|cut -f2 -d\"); \
rm -rf ../$$OUT*; cp -al . ../$$OUT; cd ..; \
tar cfz $$OUT.tar.gz --exclude .svn --exclude .git --exclude \*~ $$OUT; \
rm -rf $$OUT
.PHONY: dummy subdirs release distclean clean config oldconfig \
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menuconfig tags check test depend defconfig help