219 lines
6.9 KiB
Makefile
219 lines
6.9 KiB
Makefile
# Makefile for user-mode-linux with a simple busybox/uClibc root filesystem
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#
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# Copyright (C) 2001 by Erik Andersen <andersen@codepoet.org>
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# Copyright (C) 2001 by Alcove, Julien Gaulmin <julien.gaulmin@fr.alcove.com>
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# Copyright (C) 2001 by Jon Nelson <jnelson@boa.org>
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU Library General Public License as published by the Free
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# Software Foundation; either version 2 of the License, or (at your option) any
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# later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Library General Public License
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# along with this program; if not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# Known problems :
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# - genext2fs: couldn't allocate a block (no free space)
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# As genext2fs allocate only one group of blocks, the FS size
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# is limited to 8Mb.
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# Update this stuff by hand :
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ARCH = i386
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# If you are running a cross compiler, you may want to set this
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# to something more interesting, like "arm-linux-".
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#CROSS = $(ARCH)-linux-
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#IMAGE_SIZE=8192 # Max size
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#IMAGE_INODES=500
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IMAGE_SIZE=550 # library is 550K
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IMAGE_INODES=300
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LINUX_SOURCE=linux-2.4.17.tar.bz2
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LINUX_URI=http://www.kernel.org/pub/linux/kernel/v2.4
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USERMODELINUX_PATCH=uml-patch-2.4.17-3.bz2
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USERMODELINUX_URI=http://prdownloads.sourceforge.net/user-mode-linux
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UCLIBC_SOURCE=uClibc-snapshot.tar.gz
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UCLIBC_URI=http://www.uclibc.org/downloads/
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# Don't alter below this line unless you (think) you know
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# what you are doing! Danger, Danger!
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.SUFFIXES: # Delete the default suffixes
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.SUFFIXES: .c .o .h # Define our suffix list
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# Directories
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BASE_DIR=${shell pwd}
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TARGET_DIR=$(BASE_DIR)/root
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STAGING_DIR=$(BASE_DIR)/staging_dir
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SOURCE_DIR=$(BASE_DIR)/sources
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LINUX_DIR=$(BASE_DIR)/linux
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UCLIBC_DIR=$(BASE_DIR)/uClibc
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GENEXT2FS_DIR=$(BASE_DIR)/genext2fs
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TARGET_CC=$(STAGING_DIR)/bin/gcc
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TARGET_CC1=$(STAGING_DIR)/usr/bin/$(ARCH)-uclibc-gcc
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TARGET_CROSS=$(STAGING_DIR)/usr/bin/$(ARCH)-uclibc-
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TARGET_PATH=$(STAGING_DIR)/usr/bin:$(STAGING_DIR)/bin:/bin:/sbin:/usr/bin:/usr/sbin
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LINUX=$(BASE_DIR)/UMlinux
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IMAGE=$(BASE_DIR)/root_fs
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KCONFIG=$(SOURCE_DIR)/linux-uml.config
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all: world
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#So what shall we build today?
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TARGETS=
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-include busybox.mk
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-include boa.mk
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world: $(TARGETS) root_fs $(LINUX)
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root_fs: $(GENEXT2FS_DIR)/genext2fs $(TARGET_DIR)
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$(GENEXT2FS_DIR)/genext2fs \
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-b `echo $(IMAGE_SIZE) | bc` \
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-i `echo $(IMAGE_INODES) | bc` \
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-d $(TARGET_DIR) \
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-D $(SOURCE_DIR)/device_table.txt root_fs
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$(STAGING_DIR)/.target_dir_exists:
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rm -rf $(TARGET_DIR)
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tar -xf $(SOURCE_DIR)/skel.tar
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cp -a target_skeleton/* $(TARGET_DIR)/
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-find $(TARGET_DIR) -type d -name CVS -exec rm -rf {} \; > /dev/null 2>&1
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touch $(STAGING_DIR)/.target_dir_exists
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# The kernel
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$(SOURCE_DIR)/$(LINUX_SOURCE):
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while [ ! -f $(SOURCE_DIR)/$(LINUX_SOURCE) ] ; do \
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wget -P $(SOURCE_DIR) --passive $(LINUX_URI)/$(LINUX_SOURCE); \
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done
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$(LINUX_DIR)/.unpacked: $(SOURCE_DIR)/$(LINUX_SOURCE)
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rm -rf $(LINUX_DIR) # Keeps old versions from messing things up
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bunzip2 -c $(SOURCE_DIR)/$(LINUX_SOURCE) | tar -xv
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touch $(LINUX_DIR)/.unpacked
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$(SOURCE_DIR)/$(USERMODELINUX_PATCH):
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while [ ! -f $(SOURCE_DIR)/$(USERMODELINUX_PATCH) ] ; do \
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wget -P $(SOURCE_DIR) --passive $(USERMODELINUX_URI)/$(USERMODELINUX_PATCH); \
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done
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$(LINUX_DIR)/.patched: $(LINUX_DIR)/.unpacked $(SOURCE_DIR)/$(USERMODELINUX_PATCH)
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# This step cannot gracefully recover from interruption
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@if [ -f $(LINUX_DIR)/.started_patch ]; then \
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echo "Something went wrong patching the kernel."; \
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echo "Please rm -rf the kernel directory (\"$(LINUX_DIR)\") and type \"make\" again."; \
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exit 1; \
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fi
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touch $(LINUX_DIR)/.started_patch
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bzcat $(SOURCE_DIR)/$(USERMODELINUX_PATCH) | patch -d $(LINUX_DIR) -p1
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cp -f $(KCONFIG) $(LINUX_DIR)/.config
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mv $(LINUX_DIR)/.started_patch $(LINUX_DIR)/.patched # Hah! Atomic
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$(LINUX_DIR)/.um: $(LINUX_DIR)/.patched
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sed -e 's/^ARCH :=.*/ARCH=um/g' < $(LINUX_DIR)/Makefile > \
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$(LINUX_DIR)/Makefile.new
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mv -f $(LINUX_DIR)/Makefile.new $(LINUX_DIR)/Makefile
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touch $(LINUX_DIR)/.um
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$(LINUX_DIR)/.configdone: $(LINUX_DIR)/.um
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make -C $(LINUX_DIR) oldconfig
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touch $(LINUX_DIR)/.configdone
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$(LINUX_DIR)/.dep: $(LINUX_DIR)/.configdone
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make -C $(LINUX_DIR) dep
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touch $(LINUX_DIR)/.dep
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$(LINUX_DIR)/linux: $(LINUX_DIR)/.dep
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make -C $(LINUX_DIR) linux
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$(LINUX): $(LINUX_DIR)/linux
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ln -sf $(LINUX_DIR)/linux $(LINUX)
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# uClibc
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$(SOURCE_DIR)/$(UCLIBC_SOURCE):
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while [ ! -f $(SOURCE_DIR)/$(UCLIBC_SOURCE) ] ; do \
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wget -P $(SOURCE_DIR) --passive $(UCLIBC_URI)/$(UCLIBC_SOURCE) ; \
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done;
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$(UCLIBC_DIR)/Config: $(SOURCE_DIR)/$(UCLIBC_SOURCE)
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rm -rf $(UCLIBC_DIR) # Make sure no previous version interferes here
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gzip -d -c $(SOURCE_DIR)/$(UCLIBC_SOURCE) | tar xf -
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# The next step patches uClibc
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# Place patches in the source directory, named uClibc-*.patch
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for p in `find $(SOURCE_DIR) -name uClibc-*.patch | sort -g`;do \
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patch -p0 < $$p ; \
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done
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# Finally, patch the Config file to our liking
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# uClibc-Config.awk should be pretty staightforward
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awk -f $(SOURCE_DIR)/uClibc-Config.awk < \
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$(UCLIBC_DIR)/extra/Configs/Config.$(ARCH) > \
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$(UCLIBC_DIR)/Config
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$(UCLIBC_DIR)/lib/libc.a: $(LINUX_DIR)/.dep $(UCLIBC_DIR)/Config
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$(MAKE) CROSS=$(CROSS) \
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DEVEL_PREFIX=$(STAGING_DIR) \
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SYSTEM_DEVEL_PREFIX=$(STAGING_DIR)/usr \
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SHARED_LIB_LOADER_PATH=/lib \
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KERNEL_SOURCE=$(LINUX_DIR) \
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-C $(UCLIBC_DIR)
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$(TARGET_CC): $(UCLIBC_DIR)/lib/libc.a
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$(MAKE) CROSS=$(CROSS) \
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DEVEL_PREFIX=$(STAGING_DIR) \
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SYSTEM_DEVEL_PREFIX=$(STAGING_DIR)/usr \
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SHARED_LIB_LOADER_PATH=$(STAGING_DIR)/lib \
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-C $(UCLIBC_DIR) install
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$(UCLIBC_DIR)/.installed_runtime: $(STAGING_DIR)/.target_dir_exists $(TARGET_CC)
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$(MAKE) CROSS=$(CROSS) \
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PREFIX=$(TARGET_DIR) \
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DEVEL_PREFIX=/ \
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SYSTEM_DEVEL_PREFIX=/usr \
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SHARED_LIB_LOADER_PATH=/lib \
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-C $(UCLIBC_DIR) install_runtime
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touch $(UCLIBC_DIR)/.installed_runtime
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uclibc: $(TARGET_CC) $(UCLIBC_DIR)/.installed_runtime
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# genext2fs
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$(GENEXT2FS_DIR)/genext2fs:
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$(MAKE) -C $(GENEXT2FS_DIR)
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# others
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clean: $(TARGETS_CLEAN)
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make -C $(GENEXT2FS_DIR) clean
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@if [ -d $(UCLIBC_DIR) ] ; then \
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make -C $(UCLIBC_DIR) clean; \
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fi;
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@if [ -d $(LINUX_DIR) ] ; then \
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make -C $(LINUX_DIR) clean; \
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fi;
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rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
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rm -f *~
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mrproper: $(TARGETS_MRPROPER)
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rm -rf $(UCLIBC_DIR)
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rm -rf $(LINUX_DIR)
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rm -f root_fs $(LINUX)
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make -C $(GENEXT2FS_DIR) clean
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rm -rf $(STAGING_DIR) $(TARGET_DIR) $(IMAGE)
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rm -f *~
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distclean: mrproper $(TARGETS_DISTCLEAN)
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rm -f $(SOURCE_DIR)/$(UCLIBC_SOURCE)
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rm -f $(SOURCE_DIR)/$(USERMODELINUX_PATCH)
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rm -f $(SOURCE_DIR)/$(LINUX_SOURCE)
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.PHONY: uclibc uclibc-build uclibc-runtime $(TARGETS) world test clean mrproper distclean
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