Makefile - buildroot - Git at Google

 # Makefile for user-mode-linux with a simple busybox/uClibc root filesystem
 #
 # Copyright (C) 2001 by Erik Andersen <andersen@codepoet.org>
 # Copyright (C) 2001 by Alcove, Julien Gaulmin <julien.gaulmin@fr.alcove.com>
 # Copyright (C) 2001 by Jon Nelson <jnelson@boa.org>
 #
 # This program is free software; you can redistribute it and/or modify it under
 # the terms of the GNU Library General Public License as published by the Free
 # Software Foundation; either version 2 of the License, or (at your option) any
 # later version.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 # FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
 # details.
 #
 # You should have received a copy of the GNU Library 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

 # Known problems :
 #  - genext2fs: couldn't allocate a block (no free space)
 #    As genext2fs allocate only one group of blocks, the FS size
 #    is limited to 8Mb.

 # Update this stuff by hand :
 ARCH = i386
 # If you are running a cross compiler, you may want to set this
 # to something more interesting, like "arm-linux-".
 #CROSS = $(ARCH)-linux-

 #IMAGE_SIZE=8192 # Max size
 #IMAGE_INODES=500
 IMAGE_SIZE=550 # library is 550K
 IMAGE_INODES=300

 LINUX_SOURCE=linux-2.4.14.tar.bz2
 USERMODELINUX_PATCH=uml-patch-2.4.14-6.bz2
 UCLIBC_SOURCE=uClibc-snapshot.tar.gz

 LINUX_URI=http://www.kernel.org/pub/linux/kernel/v2.4
 USERMODELINUX_URI=http://prdownloads.sourceforge.net/user-mode-linux
 UCLIBC_URI=http://uclibc.org/downloads/

 # Don't alter below this line unless you (think) you know
 # what you are doing! Danger, Danger!

 .SUFFIXES:            # Delete the default suffixes
 .SUFFIXES: .c .o .h   # Define our suffix list

 # Directories
 BASE_DIR=${shell pwd}
 TARGET_DIR=$(BASE_DIR)/root
 STAGING_DIR=$(BASE_DIR)/staging_dir
 SOURCE_DIR=$(BASE_DIR)/sources
 LINUX_DIR=$(BASE_DIR)/linux
 UCLIBC_DIR=$(BASE_DIR)/uClibc
 GENEXT2FS_DIR=$(BASE_DIR)/genext2fs

 TARGET_CC=$(STAGING_DIR)/bin/gcc
 TARGET_CC1=$(STAGING_DIR)/usr/bin/$(ARCH)-uclibc-gcc
 TARGET_CROSS=$(STAGING_DIR)/usr/bin/$(ARCH)-uclibc-
 TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin

 LINUX=$(BASE_DIR)/UMlinux
 IMAGE=$(BASE_DIR)/root_fs

 KCONFIG=$(SOURCE_DIR)/linux-uml.config

 all:   world

 #So what shall we build today?
 TARGETS=

 -include busybox.mk
 -include boa.mk

 world:	$(TARGETS) $(GENEXT2FS_DIR)/genext2fs $(TARGET_DIR)
 	$(GENEXT2FS_DIR)/genext2fs \
 	 -b `echo $(IMAGE_SIZE) | bc` \
 	 -i `echo $(IMAGE_INODES) | bc` \
 	 -d $(TARGET_DIR) \
 	 -D $(SOURCE_DIR)/device_table.txt root_fs

 $(STAGING_DIR):
 	rm -rf $(STAGING_DIR)
 	mkdir $(STAGING_DIR)

 $(TARGET_DIR):
 	rm -rf $(TARGET_DIR)
 	tar -xf $(SOURCE_DIR)/skel.tar

 # The kernel
 $(SOURCE_DIR)/$(LINUX_SOURCE):
 	while [ ! -f $(SOURCE_DIR)/$(LINUX_SOURCE) ] ; do \
 		wget -P $(SOURCE_DIR) --passive $(LINUX_URI)/$(LINUX_SOURCE); \
 	done

 $(LINUX_DIR)/.unpacked:	$(SOURCE_DIR)/$(LINUX_SOURCE)
 	bunzip2 -c $(SOURCE_DIR)/$(LINUX_SOURCE) | tar -xv
 	touch $(LINUX_DIR)/.unpacked

 $(SOURCE_DIR)/$(USERMODELINUX_PATCH):
 	while [ ! -f $(SOURCE_DIR)/$(USERMODELINUX_PATCH) ] ; do \
 		wget -P $(SOURCE_DIR) --passive $(USERMODELINUX_URI)/$(USERMODELINUX_PATCH); \
 	done

 $(LINUX_DIR)/.patched:	$(LINUX_DIR)/.unpacked $(SOURCE_DIR)/$(USERMODELINUX_PATCH)
 	bzcat $(SOURCE_DIR)/$(USERMODELINUX_PATCH) | patch -d $(LINUX_DIR) -p1
 	touch $(LINUX_DIR)/.patched

 $(LINUX_DIR)/.um:	$(LINUX_DIR)/.patched
 	sed -e 's/^ARCH :=.*/ARCH=um/g' < $(LINUX_DIR)/Makefile > $(LINUX_DIR)/Makefile.new && mv -f $(LINUX_DIR)/Makefile.new $(LINUX_DIR)/Makefile
 	touch $(LINUX_DIR)/.um

 $(LINUX_DIR)/.configdone:	$(LINUX_DIR)/.um
 	cp -f $(KCONFIG) $(LINUX_DIR)/.config
 	make -C $(LINUX_DIR) oldconfig menuconfig
 	touch $(LINUX_DIR)/.configdone

 $(LINUX_DIR)/.dep:	$(LINUX_DIR)/.configdone
 	make -C $(LINUX_DIR) dep
 	touch $(LINUX_DIR)/.dep

 $(LINUX_DIR)/linux:	$(LINUX_DIR)/.dep
 	(cd $(LINUX_DIR); make linux)

 $(LINUX): $(LINUX_DIR)/linux
 	ln -sf $(LINUX_DIR)/linux $(LINUX)

 # uClibc
 $(SOURCE_DIR)/$(UCLIBC_SOURCE):
 	while [ ! -f $(SOURCE_DIR)/$(UCLIBC_SOURCE) ] ; do \
 	    wget -P $(SOURCE_DIR) --passive $(UCLIBC_URI)/$(UCLIBC_SOURCE) ; \
 	done;

 $(UCLIBC_DIR)/Config:	$(SOURCE_DIR)/$(UCLIBC_SOURCE)
 	tar -xzf $(SOURCE_DIR)/$(UCLIBC_SOURCE)
 	for p in `find $(SOURCE_DIR) -name uClibc-*.patch | sort -g`;do \
 		patch -p0 < $$p ; \
 	done
 	awk 'BEGIN { FS=" ="; REG="DODEBUG|DOLFS|INCLUDE_RPC|DOPIC";} \
 	{  if ($$0 ~ "^" REG) { print $$1 " = false" } else { print $$0 } }' < \
 	$(UCLIBC_DIR)/extra/Configs/Config.$(ARCH) > $(UCLIBC_DIR)/Config;

 $(UCLIBC_DIR)/lib/libc.a:	$(LINUX) $(UCLIBC_DIR)/Config
 	$(MAKE) CROSS=$(CROSS) \
 		DEVEL_PREFIX=$(STAGING_DIR) \
 		SYSTEM_DEVEL_PREFIX=$(STAGING_DIR)/usr \
 		SHARED_LIB_LOADER_PATH=/lib \
 		KERNEL_SOURCE=$(LINUX_DIR) \
 		-C $(UCLIBC_DIR)

 uclibc:	$(UCLIBC_DIR)/lib/libc.a $(STAGING_DIR) $(TARGET_DIR)
 	@A=`cksum $(STAGING_DIR)/lib/libuClibc-0.9.5.so 2>/dev/null | awk '{ print $$1 }'`; \
 	B=`cksum $(UCLIBC_DIR)/lib/libuClibc-0.9.5.so 2>/dev/null | awk '{ print $$1 }'`; \
 	if [ "$$A" != "$$B" ] ; then \
 		set -x; \
 		$(MAKE) \
 		DEVEL_PREFIX=$(STAGING_DIR) \
 		SYSTEM_DEVEL_PREFIX=$(STAGING_DIR)/usr \
 		SHARED_LIB_LOADER_PATH=$(STAGING_DIR)/lib \
 		-C $(UCLIBC_DIR) install; \
 	fi;
 	@A=`cksum $(TARGET_DIR)/lib/libuClibc-0.9.5.so 2>/dev/null | awk '{ print $$1 }'`; \
 	B=`cksum $(UCLIBC_DIR)/lib/libuClibc-0.9.5.so 2>/dev/null | awk '{ print $$1 }'`; \
 	if [ "$$A" != "$$B" ] ; then \
 		set -x; \
 		$(MAKE) \
 		PREFIX=$(TARGET_DIR) \
 		DEVEL_PREFIX=/ \
 		SYSTEM_DEVEL_PREFIX=/usr \
 		SHARED_LIB_LOADER_PATH=/lib \
 		-C $(UCLIBC_DIR) install_runtime; \
 	fi

 # genext2fs
 $(GENEXT2FS_DIR)/genext2fs:
 	$(MAKE) -C $(GENEXT2FS_DIR)

 # others
 clean:	$(TARGETS_CLEAN)
 	make -C $(GENEXT2FS_DIR) clean
 	@if [ -d $(UCLIBC_DIR) ] ; then \
 		make -C $(UCLIBC_DIR) clean; \
 	fi;
 	@if [ -d $(LINUX_DIR) ] ; then \
 		make -C $(UCLIBC_DIR) clean; \
 	fi;
 	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
 	rm -f *~

 mrproper: $(TARGETS_MRPROPER)
 	rm -rf $(UCLIBC_DIR);
 	rm -rf $(LINUX_DIR);
 	rm -f root_fs $(LINUX)
 	make -C $(GENEXT2FS_DIR) clean
 	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
 	rm -f *~

 distclean: mrproper $(TARGETS_DISTCLEAN)
 	rm -f $(SOURCE_DIR)/$(UCLIBC_SOURCE)
 	rm -f $(SOURCE_DIR)/$(USERMODELINUX_PATCH)
 	rm -f $(SOURCE_DIR)/$(LINUX_SOURCE)

 .PHONY: uclibc $(TARGETS) world test clean mrproper distclean
	# Makefile for user-mode-linux with a simple busybox/uClibc root filesystem
	#
	# Copyright (C) 2001 by Erik Andersen <andersen@codepoet.org>
	# Copyright (C) 2001 by Alcove, Julien Gaulmin <julien.gaulmin@fr.alcove.com>
	# Copyright (C) 2001 by Jon Nelson <jnelson@boa.org>
	#
	# This program is free software; you can redistribute it and/or modify it under
	# the terms of the GNU Library General Public License as published by the Free
	# Software Foundation; either version 2 of the License, or (at your option) any
	# later version.
	#
	# This program is distributed in the hope that it will be useful, but WITHOUT
	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
	# details.
	#
	# You should have received a copy of the GNU Library 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

	# Known problems :
	# - genext2fs: couldn't allocate a block (no free space)
	# As genext2fs allocate only one group of blocks, the FS size
	# is limited to 8Mb.

	# Update this stuff by hand :
	ARCH = i386
	# If you are running a cross compiler, you may want to set this
	# to something more interesting, like "arm-linux-".
	#CROSS = $(ARCH)-linux-

	#IMAGE_SIZE=8192 # Max size
	#IMAGE_INODES=500
	IMAGE_SIZE=550 # library is 550K
	IMAGE_INODES=300

	LINUX_SOURCE=linux-2.4.14.tar.bz2
	USERMODELINUX_PATCH=uml-patch-2.4.14-6.bz2
	UCLIBC_SOURCE=uClibc-snapshot.tar.gz

	LINUX_URI=http://www.kernel.org/pub/linux/kernel/v2.4
	USERMODELINUX_URI=http://prdownloads.sourceforge.net/user-mode-linux
	UCLIBC_URI=http://uclibc.org/downloads/

	# Don't alter below this line unless you (think) you know
	# what you are doing! Danger, Danger!

	.SUFFIXES: # Delete the default suffixes
	.SUFFIXES: .c .o .h # Define our suffix list

	# Directories
	BASE_DIR=${shell pwd}
	TARGET_DIR=$(BASE_DIR)/root
	STAGING_DIR=$(BASE_DIR)/staging_dir
	SOURCE_DIR=$(BASE_DIR)/sources
	LINUX_DIR=$(BASE_DIR)/linux
	UCLIBC_DIR=$(BASE_DIR)/uClibc
	GENEXT2FS_DIR=$(BASE_DIR)/genext2fs

	TARGET_CC=$(STAGING_DIR)/bin/gcc
	TARGET_CC1=$(STAGING_DIR)/usr/bin/$(ARCH)-uclibc-gcc
	TARGET_CROSS=$(STAGING_DIR)/usr/bin/$(ARCH)-uclibc-
	TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin

	LINUX=$(BASE_DIR)/UMlinux
	IMAGE=$(BASE_DIR)/root_fs

	KCONFIG=$(SOURCE_DIR)/linux-uml.config

	all: world

	#So what shall we build today?
	TARGETS=

	-include busybox.mk
	-include boa.mk

	world: $(TARGETS) $(GENEXT2FS_DIR)/genext2fs $(TARGET_DIR)
	$(GENEXT2FS_DIR)/genext2fs \
	-b `echo $(IMAGE_SIZE) \| bc` \
	-i `echo $(IMAGE_INODES) \| bc` \
	-d $(TARGET_DIR) \
	-D $(SOURCE_DIR)/device_table.txt root_fs

	$(STAGING_DIR):
	rm -rf $(STAGING_DIR)
	mkdir $(STAGING_DIR)

	$(TARGET_DIR):
	rm -rf $(TARGET_DIR)
	tar -xf $(SOURCE_DIR)/skel.tar

	# The kernel
	$(SOURCE_DIR)/$(LINUX_SOURCE):
	while [ ! -f $(SOURCE_DIR)/$(LINUX_SOURCE) ] ; do \
	wget -P $(SOURCE_DIR) --passive $(LINUX_URI)/$(LINUX_SOURCE); \
	done

	$(LINUX_DIR)/.unpacked: $(SOURCE_DIR)/$(LINUX_SOURCE)
	bunzip2 -c $(SOURCE_DIR)/$(LINUX_SOURCE) \| tar -xv
	touch $(LINUX_DIR)/.unpacked

	$(SOURCE_DIR)/$(USERMODELINUX_PATCH):
	while [ ! -f $(SOURCE_DIR)/$(USERMODELINUX_PATCH) ] ; do \
	wget -P $(SOURCE_DIR) --passive $(USERMODELINUX_URI)/$(USERMODELINUX_PATCH); \
	done

	$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked $(SOURCE_DIR)/$(USERMODELINUX_PATCH)
	bzcat $(SOURCE_DIR)/$(USERMODELINUX_PATCH) \| patch -d $(LINUX_DIR) -p1
	touch $(LINUX_DIR)/.patched

	$(LINUX_DIR)/.um: $(LINUX_DIR)/.patched
	sed -e 's/^ARCH :=.*/ARCH=um/g' < $(LINUX_DIR)/Makefile > $(LINUX_DIR)/Makefile.new && mv -f $(LINUX_DIR)/Makefile.new $(LINUX_DIR)/Makefile
	touch $(LINUX_DIR)/.um

	$(LINUX_DIR)/.configdone: $(LINUX_DIR)/.um
	cp -f $(KCONFIG) $(LINUX_DIR)/.config
	make -C $(LINUX_DIR) oldconfig menuconfig
	touch $(LINUX_DIR)/.configdone

	$(LINUX_DIR)/.dep: $(LINUX_DIR)/.configdone
	make -C $(LINUX_DIR) dep
	touch $(LINUX_DIR)/.dep

	$(LINUX_DIR)/linux: $(LINUX_DIR)/.dep
	(cd $(LINUX_DIR); make linux)

	$(LINUX): $(LINUX_DIR)/linux
	ln -sf $(LINUX_DIR)/linux $(LINUX)

	# uClibc
	$(SOURCE_DIR)/$(UCLIBC_SOURCE):
	while [ ! -f $(SOURCE_DIR)/$(UCLIBC_SOURCE) ] ; do \
	wget -P $(SOURCE_DIR) --passive $(UCLIBC_URI)/$(UCLIBC_SOURCE) ; \
	done;

	$(UCLIBC_DIR)/Config: $(SOURCE_DIR)/$(UCLIBC_SOURCE)
	tar -xzf $(SOURCE_DIR)/$(UCLIBC_SOURCE)
	for p in `find $(SOURCE_DIR) -name uClibc-*.patch \| sort -g`;do \
	patch -p0 < $$p ; \
	done
	awk 'BEGIN { FS=" ="; REG="DODEBUG\|DOLFS\|INCLUDE_RPC\|DOPIC";} \
	{ if ($$0 ~ "^" REG) { print $$1 " = false" } else { print $$0 } }' < \
	$(UCLIBC_DIR)/extra/Configs/Config.$(ARCH) > $(UCLIBC_DIR)/Config;

	$(UCLIBC_DIR)/lib/libc.a: $(LINUX) $(UCLIBC_DIR)/Config
	$(MAKE) CROSS=$(CROSS) \
	DEVEL_PREFIX=$(STAGING_DIR) \
	SYSTEM_DEVEL_PREFIX=$(STAGING_DIR)/usr \
	SHARED_LIB_LOADER_PATH=/lib \
	KERNEL_SOURCE=$(LINUX_DIR) \
	-C $(UCLIBC_DIR)

	uclibc: $(UCLIBC_DIR)/lib/libc.a $(STAGING_DIR) $(TARGET_DIR)
	@A=`cksum $(STAGING_DIR)/lib/libuClibc-0.9.5.so 2>/dev/null \| awk '{ print $$1 }'`; \
	B=`cksum $(UCLIBC_DIR)/lib/libuClibc-0.9.5.so 2>/dev/null \| awk '{ print $$1 }'`; \
	if [ "$$A" != "$$B" ] ; then \
	set -x; \
	$(MAKE) \
	DEVEL_PREFIX=$(STAGING_DIR) \
	SYSTEM_DEVEL_PREFIX=$(STAGING_DIR)/usr \
	SHARED_LIB_LOADER_PATH=$(STAGING_DIR)/lib \
	-C $(UCLIBC_DIR) install; \
	fi;
	@A=`cksum $(TARGET_DIR)/lib/libuClibc-0.9.5.so 2>/dev/null \| awk '{ print $$1 }'`; \
	B=`cksum $(UCLIBC_DIR)/lib/libuClibc-0.9.5.so 2>/dev/null \| awk '{ print $$1 }'`; \
	if [ "$$A" != "$$B" ] ; then \
	set -x; \
	$(MAKE) \
	PREFIX=$(TARGET_DIR) \
	DEVEL_PREFIX=/ \
	SYSTEM_DEVEL_PREFIX=/usr \
	SHARED_LIB_LOADER_PATH=/lib \
	-C $(UCLIBC_DIR) install_runtime; \
	fi

	# genext2fs
	$(GENEXT2FS_DIR)/genext2fs:
	$(MAKE) -C $(GENEXT2FS_DIR)

	# others
	clean: $(TARGETS_CLEAN)
	make -C $(GENEXT2FS_DIR) clean
	@if [ -d $(UCLIBC_DIR) ] ; then \
	make -C $(UCLIBC_DIR) clean; \
	fi;
	@if [ -d $(LINUX_DIR) ] ; then \
	make -C $(UCLIBC_DIR) clean; \
	fi;
	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
	rm -f *~

	mrproper: $(TARGETS_MRPROPER)
	rm -rf $(UCLIBC_DIR);
	rm -rf $(LINUX_DIR);
	rm -f root_fs $(LINUX)
	make -C $(GENEXT2FS_DIR) clean
	rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
	rm -f *~

	distclean: mrproper $(TARGETS_DISTCLEAN)
	rm -f $(SOURCE_DIR)/$(UCLIBC_SOURCE)
	rm -f $(SOURCE_DIR)/$(USERMODELINUX_PATCH)
	rm -f $(SOURCE_DIR)/$(LINUX_SOURCE)

	.PHONY: uclibc $(TARGETS) world test clean mrproper distclean