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#!/usr/bin/make -f
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#
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# Debian Installer system makefile.
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# Copyright 2001 by Joey Hess <joeyh@debian.org>.
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# Licensed under the terms of the GPL.
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#
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# This makefile builds a debian-installer system and bootable images from
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# a collection of udebs which it downloads from a Debian archive. See
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# README for details.
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# The version of the kernel to use.
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KVERS=2.4.2
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# The type of system to build. Determines what udebs are unpacked into
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# the system. See the .list files for various types. You may want to
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# override this on the command line.
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TYPE=net
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# List here any libraries that need to be put on the system. Generally
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# this is not needed except for libnss_* libraries, which will not be
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# automatically pulled in by the library reduction code. Wildcards are
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# allowed.
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# TODO: this really needs to be determined on a per TYPE basis.
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# libnss_nns is needed for many, but not all, install scenarios
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EXTRALIBS=/lib/libnss_dns*
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# List here any extra udebs that are not in the list file but that
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# should still be included on the system.
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EXTRAS=""
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# This variable can be used to copy in additional files from the system
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# that is doing the build. Useful if you need to include strace, or gdb,
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# or just something extra on a floppy.
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#EXTRAFILES=/usr/bin/strace
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# set DEBUG to y if you want to get the source for and compile
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# debug versions of the needed udebs
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DEBUG=n
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# All output files will go here.
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DEST=dest
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# Filename of initrd to create.
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INITRD=$(DEST)/$(TYPE)-initrd.gz
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# How big a floppy image should I make? (in kilobytes)
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FLOPPY_SIZE=1440
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# The floppy image to create.
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FLOPPY_IMAGE=$(DEST)/$(TYPE)-$(FLOPPY_SIZE).img
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# What device to write floppies on
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FLOPPYDEV=/dev/fd0
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# May be needed in rare cases.
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#SYSLINUX_OPTS=-s
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# Directory apt uses for stuff.
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APTDIR=apt
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# Directory udebs are placed in.
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UDEBDIR=udebs
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# Local directory that is searched for udebs, to avoid downloading.
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# (Or for udebs that are not yet available for download.)
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LOCALUDEBDIR=localudebs
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# Directory where debug versions of udebs will be built.
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DEBUGUDEBDIR=debugudebs
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# The beta version of upx can be used to make the kernel a lot smaller
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# it shaved 75k off our kernel. That allows us to put a lot more on
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# a single floppy. binaries are at:
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# http://wildsau.idv.uni-linz.ac.at/mfx/download/upx/unstable/upx-1.11-linux.tar.gz
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# or source at:
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# http://sourceforge.net/projects/upx/
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#UPX=~davidw/bin/upx
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UPX=
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# Figure out which sources.list to use. The .local one is preferred,
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# so you can set up a locally preferred one (and not accidentially cvs
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# commit it).
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ifeq ($(wildcard sources.list.local),sources.list.local)
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SOURCES_LIST=sources.list.local
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else
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SOURCES_LIST=sources.list
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endif
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# Add to PATH so dpkg will always work, and so local programs will
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# be found.
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PATH:=$(PATH):/usr/sbin:/sbin:.
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# All these options make apt read the right sources list, and
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# use APTDIR for everything so it need not run as root.
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CWD:=$(shell pwd)/
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APT_GET=apt-get --assume-yes \
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-o Dir::Etc::sourcelist=$(CWD)$(SOURCES_LIST) \
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-o Dir::State=$(CWD)$(APTDIR)/state \
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-o Debug::NoLocking=true \
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-o Dir::Cache=$(CWD)$(APTDIR)/cache
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# Get the list of udebs to install. Comments are allowed in the lists.
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UDEBS=$(shell grep --no-filename -v ^\# lists/base lists/$(TYPE) | sed 's/$${kernel:Version}/$(KVERS)/g') $(EXTRAS)
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DPKGDIR=$(TREE)/var/lib/dpkg
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TEMP=./tmp
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TMP_MNT=`pwd`/mnt/
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# Build tree location.
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TREE=$(TEMP)/tree
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# This is the kernel image that we will boot from.
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KERNEL=$(TEMP)/vmlinuz
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build: demo_clean tree stats
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demo: tree
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sudo chroot $(TREE) bin/sh -c "if ! mount | grep ^proc ; then bin/mount proc -t proc /proc; fi"
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-sudo chroot $(TREE) bin/sh -c "export DEBCONF_FRONTEND=text DEBCONF_DEBUG=5; /usr/bin/debconf-loadtemplate debian /var/lib/dpkg/info/*.templates; /usr/share/debconf/frontend /usr/bin/main-menu"
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$(MAKE) demo_clean
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shell: tree
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mkdir -p $(TREE)/proc
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sudo chroot $(TREE) bin/sh -c "if ! mount | grep ^proc ; then bin/mount proc -t proc /proc; fi"
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sudo chroot $(TREE) bin/sh
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$(MAKE) demo_clean
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demo_clean:
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-if [ -e $(TREE)/proc/self ]; then \
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sudo chroot $(TREE) bin/sh -c "if mount | grep ^proc ; then bin/umount /proc ; fi" &> /dev/null; \
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fi
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clean: demo_clean
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dh_clean
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rm -f *-stamp
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rm -rf $(TREE) $(APTDIR) $(UDEBDIR) $(TEMP) $(DEST)
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# Get all required udebs and put in UDEBDIR.
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get_udebs: get_udebs-stamp
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get_udebs-stamp:
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mkdir -p $(APTDIR)/state/lists/partial
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mkdir -p $(APTDIR)/cache/archives/partial
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$(APT_GET) update
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$(APT_GET) autoclean
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# If there are local udebs, remove them from the list of things to
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# get. Then get all the udebs that are left to get.
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needed="$(UDEBS)"; \
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for file in `find $(LOCALUDEBDIR) -name "*_*" -printf "%f\n" 2>/dev/null`; do \
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package=`echo $$file | cut -d _ -f 1`; \
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needed=`echo $$needed | sed "s/$$package *//"`; \
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done; \
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if [ $(DEBUG) = y ] ; then \
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mkdir -p $(DEBUGUDEBDIR); \
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cd $(DEBUGUDEBDIR); \
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export DEB_BUILD_OPTIONS="debug"; \
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$(APT_GET) source --build --yes $$needed; \
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cd ..; \
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else \
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$(APT_GET) -dy install $$needed; \
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fi; \
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# Now the udebs are in APTDIR/cache/archives/ and maybe LOCALUDEBDIR,
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# but there may be other udebs there too besides those we asked for.
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# So link those we asked for to UDEBDIR, renaming them to more useful
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# names.
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rm -rf $(UDEBDIR)
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mkdir -p $(UDEBDIR)
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for package in $(UDEBS); do \
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if [ -e $(APTDIR)/cache/archives/$$package\_* ]; then \
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ln -f $(APTDIR)/cache/archives/$$package\_* \
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$(UDEBDIR)/$$package.udeb; \
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fi; \
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if [ -e $(LOCALUDEBDIR)/$$package\_* ]; then \
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ln -f $(LOCALUDEBDIR)/$$package\_* \
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$(UDEBDIR)/$$package.udeb; \
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fi; \
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if [ -e $(DEBUGUDEBDIR)/$$package\_*.udeb ]; then \
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ln -f $(DEBUGUDEBDIR)/$$package\_*.udeb \
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$(UDEBDIR)/$$package.udeb; \
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fi; \
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done
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touch get_udebs-stamp
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# Build the installer tree.
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tree: get_udebs tree-stamp
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tree-stamp:
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dh_testroot
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# This build cannot be restarted, because dpkg gets confused.
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rm -rf $(TREE)
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# Set up the basic files [u]dpkg needs.
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mkdir -p $(DPKGDIR)/info
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touch $(DPKGDIR)/status
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# Only dpkg needs this stuff, so it can be removed later.
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mkdir -p $(DPKGDIR)/updates/
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touch $(DPKGDIR)/available
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# Unpack the udebs with dpkg. This command must run as root or fakeroot.
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dpkg --force-overwrite --root=$(TREE) --unpack $(UDEBDIR)/*.udeb
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# Clean up after dpkg.
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rm -rf $(DPKGDIR)/updates
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rm -f $(DPKGDIR)/available $(DPKGDIR)/*-old $(DPKGDIR)/lock
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# Set up modules.dep
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mkdir -p $(TREE)/lib/modules/$(KVERS)-di/
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depmod -q -a -b $(TREE)/ $(KVERS)-di
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# Move the kernel image out of the way, into a temp directory
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# for use later. We don't need it bloating our image!
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mv -f $(TREE)/boot/vmlinuz $(KERNEL)
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-rmdir $(TREE)/boot/
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ifdef EXTRAFILES
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# Copy in any extra files
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for file in $(EXTRAFILES); do \
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mkdir -p $(TREE)/`basename $$file`; \
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cp -a $$file $(TREE)/$$file; \
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done
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endif
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# Copy in any extra libs.
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ifdef EXTRALIBS
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cp -a $(EXTRALIBS) $(TREE)/lib/
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endif
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# Library reduction.
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mkdir -p $(TREE)/lib
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mklibs.sh -v -d $(TREE)/lib `find $(TREE) -type f -perm +0111 -o -name '*.so'`
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# Remove any libraries that are present in both usr/lib and lib,
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# from lib. These were unnecessarily copied in by mklibs, and
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# we want to use the ones in usr/lib instead since they came
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# from udebs. Only libdebconf has this problem so far.
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for lib in `find $(TREE)/usr/lib/lib* -type f -printf "%f\n" | cut -d . -f 1 | sort | uniq`; do \
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rm $(TREE)/lib/$$lib.*; \
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done
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# Now we have reduced libraries installed .. but they are
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# not listed in the status file. This nasty thing puts them in,
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# and alters their names to end in -reduced to indicate that
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# they have been modified.
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for package in $$(dpkg -S `find $(TREE)/lib -type f -not -name '*.o'| \
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sed s:$(TREE)::` | cut -d : -f 1 | \
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sort | uniq); do \
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dpkg -s $$package | sed "s/$$package/$$package-reduced/g" \
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>> $(DPKGDIR)/status; \
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done
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# Reduce status file to contain only the elements we care about.
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egrep -i '^((Status|Provides|Depends|Package|Description|installer-menu-item):|$$)' \
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$(DPKGDIR)/status > $(DPKGDIR)/status.new
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mv -f $(DPKGDIR)/status.new $(DPKGDIR)/status
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touch tree-stamp
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tarball: tree
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tar czf $(DEST)/$(TYPE)-debian-installer.tar.gz $(TREE)
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# Make sure that the temporary mountpoint exists and is not occupied.
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tmp_mount:
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dh_testroot
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if mount | grep -q $(TMP_MNT) && ! umount $(TMP_MNT) ; then \
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echo "Error unmounting $(TMP_MNT)" 2>&1 ; \
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exit 1; \
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fi
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mkdir -p $(TMP_MNT)
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# Create a compressed image of the root filesystem.
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# 1. make a temporary file large enough to fit the filesystem.
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# 2. mount that file via the loop device, create a filesystem on it
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# 3. copy over the root filesystem
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# 4. unmount the file, compress it
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#
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initrd: Makefile tmp_mount tree $(INITRD)
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$(INITRD): TMP_FILE=$(TEMP)/image.tmp
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$(INITRD):
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dh_testroot
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umount $(TMP_MNT) || true
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rm -f $(TMP_FILE)
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install -d $(TEMP)
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dd if=/dev/zero of=$(TMP_FILE) bs=1k count=`expr $$(du -s $(TREE) | cut -f 1) + $$(expr $$(find $(TREE) | wc -l) \* 2)`
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# FIXME: 2000 bytes/inode (choose that better?)
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mke2fs -F -m 0 -i 2000 -O sparse_super $(TMP_FILE)
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mount -t ext2 -o loop $(TMP_FILE) $(TMP_MNT)
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cp -a $(TREE)/* $(TMP_MNT)/
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umount $(TMP_MNT)
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install -d $(DEST)
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dd if=$(TMP_FILE) bs=1k | gzip -v9 > $(INITRD)
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# Create a bootable floppy image. i386 specific. FIXME
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# 1. make a dos filesystem image
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# 2. copy over kernel, initrd
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# 3. install syslinux
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floppy_image: Makefile initrd tmp_mount $(FLOPPY_IMAGE)
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$(FLOPPY_IMAGE):
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dh_testroot
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install -d $(DEST)
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dd if=/dev/zero of=$(FLOPPY_IMAGE) bs=1k count=$(FLOPPY_SIZE)
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mkfs.msdos -i deb00001 -n 'Debian Installer' $(FLOPPY_IMAGE)
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mount -t msdos -o loop $(FLOPPY_IMAGE) $(TMP_MNT)
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cp $(KERNEL) $(TMP_MNT)/LINUX
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cp $(INITRD) $(TMP_MNT)/initrd.gz
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cp syslinux.cfg $(TMP_MNT)/
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todos $(TMP_MNT)/syslinux.cfg
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umount $(TMP_MNT)
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syslinux $(SYSLINUX_OPTS) $(FLOPPY_IMAGE)
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# Write image to floppy
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boot_floppy: floppy_image
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install -d $(DEST)
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dd if=$(FLOPPY_IMAGE) of=$(FLOPPYDEV)
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# If you're paranoid (or things are mysteriously breaking..),
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# you can check the floppy to make sure it wrote properly.
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# This target will fail if the floppy doesn't match the floppy image.
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boot_floppy_check: floppy_image
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cmp $(FLOPPYDEV) $(FLOPPY_IMAGE)
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COMPRESSED_SZ=$(shell expr $(shell tar cz $(TREE) | wc -c) / 1024)
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KERNEL_SZ=$(shell expr $(shell du -b $(KERNEL) | cut -f 1) / 1024)
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stats: tree
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@echo
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@echo "System stats"
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@echo "------------"
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@echo "Installed udebs: $(UDEBS)"
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@echo -n "Total system size: $(shell du -h -s $(TREE) | cut -f 1)"
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@echo -n " ($(shell du -h --exclude=modules -s $(TREE)/lib | cut -f 1) libs, "
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@echo "$(shell du -h -s $(TREE)/lib/modules | cut -f 1) kernel modules)"
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@echo "Initrd size: $(COMPRESSED_SZ)k"
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@echo "Kernel size: $(KERNEL_SZ)k"
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@echo "Free space: $(shell expr $(FLOPPY_SIZE) - $(KERNEL_SZ) - $(COMPRESSED_SZ))k"
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# Add your interesting stats here.
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# Upload a daily build to klecker. If you're not Joey Hess, you probably
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# don't want to use this grungy code, at least not without overrideing
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# this:
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UPLOAD_DIR=klecker.debian.org:~/public_html/debian-installer/daily/
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daily_build: clean
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install -d $(DEST)
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fakeroot $(MAKE) tarball > $(DEST)/log 2>&1
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scp -q -B $(DEST)/log $(UPLOAD_DIR)
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scp -q -B $(DEST)/$(TYPE)-debian-installer.tar.gz \
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$(UPLOAD_DIR)/$(TYPE)-debian-installer-$(shell date +%Y%m%d).tar.gz
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.PHONY: tree
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