Contents of /trunk/build/Makefile

#!/usr/bin/make -f
#
# Debian Installer system makefile.
# Copyright 2001-2003 by Joey Hess <joeyh@debian.org> and the d-i team.
# Licensed under the terms of the GPL.
#
# This makefile builds a debian-installer system and bootable images from 
# a collection of udebs which it downloads from a Debian archive. See
# README for details.

DEB_HOST_ARCH = $(shell dpkg-architecture -qDEB_HOST_ARCH)
DEB_HOST_GNU_CPU = $(shell dpkg-architecture -qDEB_HOST_GNU_CPU)
DEB_HOST_GNU_SYSTEM = $(shell dpkg-architecture -qDEB_HOST_GNU_SYSTEM)

# Include main config
include config/main

# Include arch configs
include config/arch/$(DEB_HOST_GNU_SYSTEM)
include config/arch/$(DEB_HOST_GNU_SYSTEM)-$(DEB_HOST_GNU_CPU)

# Include type configs
-include config/type/$(TYPE)
-include config/type/$(TYPE)-$(DEB_HOST_GNU_SYSTEM)
-include config/type/$(TYPE)-$(DEB_HOST_ARCH)

# Include directory config
include config/dir

# Local config override.
-include config/local

# Add to PATH so dpkg will always work, and so local programs will be found.
PATH:=$(PATH):/usr/sbin:/sbin:.

# All these options make apt read the right sources list, and use APTDIR for
# everything so it need not run as root.
CWD:=$(shell pwd)/
APT_GET=apt-get --assume-yes \
        -o Dir::Etc::sourcelist=$(CWD)$(SOURCES_LIST) \
        -o Dir::State=$(CWD)$(APTDIR)/state \
        -o Debug::NoLocking=true \
        -o Dir::Cache=$(CWD)$(APTDIR)/cache

# Get the list of udebs to install.
UDEBS = $(shell ./pkg-list $(TYPE) $(KERNELIMAGEVERSION)) $(EXTRAS)

ifeq ($(TYPE),floppy)
# List of additional udebs for driver floppys.
DRIVERFD_UDEBS = \
        $(shell for target in $(EXTRA_FLOPPIES) ; do \
                ./pkg-list $$target $(KERNELIMAGEVERSION); \
        done)
endif

# Sanity check TYPE against the list.
ifeq (,$(filter $(TYPE),type $(TYPES_SUPPORTED)))
%:
        @echo "unsupported type"
        @echo "type: $(TYPE)"
        $(MAKE) listtypes
        @exit 1
endif

# Include arch targets
-include make/arch/$(DEB_HOST_GNU_SYSTEM)
include make/arch/$(DEB_HOST_GNU_SYSTEM)-$(DEB_HOST_GNU_CPU)

build: tree_umount tree $(EXTRA_TARGETS) stats

image: arch-image $(EXTRA_IMAGES) 

tree_mount: tree
        -@sudo /bin/mount -t proc proc $(TREE)/proc
ifndef USERDEVFS
        -@sudo /bin/mount -t devfs dev $(TREE)/dev
else
        -@sudo chroot $(TREE) /usr/bin/update-dev
endif

tree_umount:
ifndef USERDEVFS
        -@if [ -L $(TREE)/dev/fd ] ; then sudo /bin/umount $(TREE)/dev 2>/dev/null ; fi
endif
        -@if [ -L $(TREE)/proc/self ] ; then sudo /bin/umount $(TREE)/proc 2>/dev/null ; fi

demo: tree
        $(MAKE) tree_mount
        -@[ -f questions.dat ] && cp -f questions.dat $(TREE)/var/lib/cdebconf/
        -@sudo chroot $(TREE) bin/sh -c "export TERM=linux; export DEBCONF_DEBUG=5; /usr/bin/debconf-loadtemplate debian /var/lib/dpkg/info/*.templates; exec /usr/share/debconf/frontend /usr/bin/main-menu"
        $(MAKE) tree_umount

shell: tree
        $(MAKE) tree_mount
        -@sudo chroot $(TREE) bin/sh
        $(MAKE) tree_umount

uml: $(INITRD)
        -linux initrd=$(INITRD) root=/dev/rd/0 ramdisk_size=8192 con=fd:0,fd:1 devfs=mount

demo_clean: tree_umount

clean: demo_clean tmp_mount debian/control
        rm -rf $(TREE) || sudo rm -rf $(TREE)
        dh_clean
        rm -f *-stamp
        rm -rf $(UDEBDIR) $(EXTRAUDEBDIR) $(TMP_MNT) debian/build
        rm -rf $(DEST)/$(TYPE)-* || sudo rm -rf $(DEST)/$(TYPE)-*
        rm -f unifont-reduced-$(TYPE).bdf
        $(foreach NAME,$(KERNELNAME), \
                rm -f $(TEMP)/$(NAME); )

reallyclean: clean
        rm -rf $(APTDIR) $(DEST) $(BASE_TMP) $(SOURCEDIR) $(DEBUGUDEBDIR)
        rm -f diskusage*.txt missing.txt all-*.utf *.bdf
        rm -f sources.list

# Auto-generate a sources.list.
sources.list:
        ( \
        echo "# This file is automatically generated, edit sources.list.local instead."; \
        if [ "$(MIRROR)x" != "x" ]; then \
                echo "deb $(MIRROR) $(SUITE) main/debian-installer"; \
        else \
        cat $(SYSTEM_SOURCES_LIST) | grep ^deb\  |grep -v file:/ | grep -v debian-non-US | grep ' main' | \
                awk '{print $$1 " " $$2}' | sed s/\\/*\ *$$/\ $(SUITE)\ main\\/debian-installer/ | uniq; \
        fi; \
        ) > sources.list

# Get all required udebs and put in UDEBDIR.
get_udebs: $(TYPE)-get_udebs-stamp
$(TYPE)-get_udebs-stamp: sources.list
        mkdir -p $(APTDIR)/state/lists/partial
        mkdir -p $(APTDIR)/cache/archives/partial
        -$(APT_GET) update
        $(APT_GET) autoclean
        # If there are local udebs, remove them from the list of things to
        # get. Then get all the udebs that are left to get.
        # Note that the trailing blank on the next line is significant. It
        # makes the sed below always work.
        needed="$(UDEBS) $(DRIVERFD_UDEBS) "; \
        for file in `find $(LOCALUDEBDIR) -name "*_*" -printf "%f\n" 2>/dev/null`; do \
                package=`echo $$file | cut -d _ -f 1`; \
                needed=`echo " $$needed " | sed "s/ $$package / /"`; \
        done; \
        if [ "$(DEBUG)" = y ] ; then \
                mkdir -p $(DEBUGUDEBDIR); \
                cd $(DEBUGUDEBDIR); \
                export DEB_BUILD_OPTIONS="debug"; \
                $(APT_GET) source --build --yes $$needed; \
                cd ..; \
        else \
                echo Need to download : $$needed; \
                if [ -n "$$needed" ]; then \
                $(APT_GET) -dy install $$needed; \
                fi; \
        fi; \

        # Now the udebs are in APTDIR/cache/archives/ and maybe LOCALUDEBDIR
        # or DEBUGUDEBDIR, but there may be other udebs there too besides those
        # we asked for. So link those we asked for to UDEBDIR, renaming them
        # to more useful names. Watch out for duplicates and missing files
        # while doing that.
        rm -rf $(UDEBDIR)
        mkdir -p $(UDEBDIR)
        rm -rf $(EXTRAUDEBDIR)
        mkdir -p $(EXTRAUDEBDIR)
        lnpkg() { \
                local pkg=$$1; local dir=$$2 debdir=$$3; \
                local L1="`echo $$dir/$$pkg\_*`"; \
                local L2="`echo $$L1 | sed -e 's, ,,g'`"; \
                if [ "$$L1" != "$$L2" ]; then \
                        echo "Duplicate package $$pkg in $$dir/"; \
                        exit 1; \
                fi; \
                if [ -e $$L1 ]; then \
                        ln -f $$dir/$$pkg\_* $$debdir/$$pkg.udeb; \
                fi; \
        }; \
        for package in $(UDEBS) ; do \
                lnpkg $$package $(APTDIR)/cache/archives $(UDEBDIR); \
                lnpkg $$package $(LOCALUDEBDIR) $(UDEBDIR); \
                lnpkg $$package $(DEBUGUDEBDIR) $(UDEBDIR); \
                if ! [ -e $(UDEBDIR)/$$package.udeb ]; then \
                        echo "Needed $$package not found (looked in $(APTDIR)/cache/archives/, $(LOCALUDEBDIR)/, $(DEBUGUDEBDIR)/)"; \
                        exit 1; \
                fi; \
        done ; \
        for package in $(DRIVERFD_UDEBS) ; do \
                lnpkg $$package $(APTDIR)/cache/archives $(EXTRAUDEBDIR); \
                lnpkg $$package $(LOCALUDEBDIR) $(EXTRAUDEBDIR); \
                lnpkg $$package $(DEBUGUDEBDIR) $(EXTRAUDEBDIR); \
                if ! [ -e $(EXTRAUDEBDIR)/$$package.udeb ]; then \
                        echo "Needed $$package not found (looked in $(APTDIR)/cache/archives/, $(LOCALUDEBDIR)/, $(DEBUGUDEBDIR)/)"; \
                        exit 1; \
                fi; \
        done

        touch $(TYPE)-get_udebs-stamp

# Build the installer tree.
tree: $(TYPE)-tree-stamp
$(TYPE)-tree-stamp: $(TYPE)-get_udebs-stamp debian/control
        dh_testroot

        dpkg-checkbuilddeps

        # This build cannot be restarted, because dpkg gets confused.
        rm -rf $(TREE)
        # Set up the basic files [u]dpkg needs.
        mkdir -p $(DPKGDIR)/info
        touch $(DPKGDIR)/status
        # Create a tmp tree
        mkdir -p $(TREE)/tmp
        # Only dpkg needs this stuff, so it can be removed later.
        mkdir -p $(DPKGDIR)/updates/
        touch $(DPKGDIR)/available

        # Unpack the udebs with dpkg. This command must run as root
        # or fakeroot.
        echo -n > diskusage-$(TYPE).txt
        oldsize=0; oldblocks=0; oldcount=0; for udeb in $(UDEBDIR)/*.udeb ; do \
                pkg=`basename $$udeb` ; \
                dpkg --force-overwrite --root=$(TREE) --unpack $$udeb ; \
                newsize=`du -bs $(TREE) | awk '{print $$1}'` ; \
                newblocks=`du -s $(TREE) | awk '{print $$1}'` ; \
                newcount=`find $(TREE) -type f | wc -l | awk '{print $$1}'` ; \
                usedsize=`echo $$newsize - $$oldsize | bc`; \
                usedblocks=`echo $$newblocks - $$oldblocks | bc`; \
                usedcount=`echo $$newcount - $$oldcount | bc`; \
                version=`dpkg-deb --info $$udeb | grep Version: | awk '{print $$2}'` ; \
                echo " $$usedsize B - $$usedblocks blocks - $$usedcount files used by pkg $$pkg (version $$version )" >>diskusage-$(TYPE).txt;\
                oldsize=$$newsize ; \
                oldblocks=$$newblocks ; \
                oldcount=$$newcount ; \
        done
        sort -n < diskusage-$(TYPE).txt > diskusage-$(TYPE).txt.new && \
                mv diskusage-$(TYPE).txt.new diskusage-$(TYPE).txt

        # Clean up after dpkg.
        rm -rf $(DPKGDIR)/updates
        rm -f $(DPKGDIR)/available $(DPKGDIR)/*-old $(DPKGDIR)/lock

        # Set up modules.dep, ensure there is at least one standard dir (kernel
        # in this case), so depmod will use its prune list for archs with no
        # modules.
        $(foreach VERSION,$(KERNELVERSION), \
                mkdir -p $(TREE)/lib/modules/$(VERSION)/kernel; \
                depmod -q -a -b $(TREE)/ $(VERSION); )
        # These files depmod makes are used by hotplug, and we shouldn't
        # need them, yet anyway.
        find $(TREE)/lib/modules/ -name 'modules*' \
                -not -name modules.dep -not -type d | xargs rm -f
        
        # Create a dev tree
        mkdir -p $(TREE)/dev
ifdef USERDEVFS
        # Create initial /dev entries -- only those that are absolutely
        # required to boot sensibly, though.
        mknod $(TREE)/dev/console c 5 1
        mkdir -p $(TREE)/dev/vc
        mknod $(TREE)/dev/vc/0 c 4 0
        mknod $(TREE)/dev/vc/1 c 4 1
        mknod $(TREE)/dev/vc/2 c 4 2
        mknod $(TREE)/dev/vc/3 c 4 3
        mknod $(TREE)/dev/vc/4 c 4 4
        mknod $(TREE)/dev/vc/5 c 4 5
        mkdir -p $(TREE)/dev/rd
        mknod $(TREE)/dev/rd/0 b 1 0
endif

        # Move the kernel image out of the way, into a temp directory
        # for use later.
        $(foreach NAME,$(KERNELNAME), \
                mv -f $(TREE)/boot/$(NAME) $(TEMP); )
        -rmdir $(TREE)/boot/

ifndef NO_TERMINFO
        # Copy terminfo files for slang frontend
        # TODO: terminfo.udeb?
        for file in /etc/terminfo/a/ansi /etc/terminfo/l/linux \
                    /etc/terminfo/v/vt102; do \
                mkdir -p $(TREE)/`dirname $$file`; \
                cp -a $$file $(TREE)/$$file; \
        done
endif

ifdef EXTRAFILES
        # Copy in any extra files
        for file in $(EXTRAFILES); do \
                mkdir -p $(TREE)/`dirname $$file`; \
                cp -a $$file $(TREE)/$$file; \
        done
endif

ifdef EXTRALIBS
        # Copy in any extra libs.
        cp -a $(EXTRALIBS) $(TREE)/lib/
endif

ifeq ($(TYPE),floppy)
        # Unpack additional driver disks, so mklibs runs on them too.
        rm -rf $(DRIVEREXTRASDIR)
        mkdir -p $(DRIVEREXTRASDIR)
        mkdir -p $(DRIVEREXTRASDPKGDIR)/info $(DRIVEREXTRASDPKGDIR)/updates
        touch $(DRIVEREXTRASDPKGDIR)/status $(DRIVEREXTRASDPKGDIR)/available
        for udeb in $(EXTRAUDEBDIR)/*.udeb ; do \
                dpkg --force-overwrite --root=$(DRIVEREXTRASDIR) --unpack $$udeb; \
        done
endif

        # Library reduction.
        mkdir -p $(TREE)/lib
        $(MKLIBS) -v -d $(TREE)/lib --root=$(TREE) `find $(TEMP) -type f -perm +0111 -o -name '*.so'`

        # Add missing symlinks for libraries
        # (Needed for mklibs.py)
        /sbin/ldconfig -n $(TREE)/lib $(TREE)/usr/lib

        # Remove any libraries that are present in both usr/lib and lib,
        # from lib. These were unnecessarily copied in by mklibs, and
        # we want to use the ones in usr/lib instead since they came 
        # from udebs. Only libdebconf has this problem so far.
        for lib in `find $(TREE)/usr/lib/lib* -type f -printf "%f\n" | cut -d . -f 1 | sort | uniq`; do \
                rm -f $(TREE)/lib/$$lib.*; \
        done

        # Now we have reduced libraries installed .. but they are
        # not listed in the status file. This nasty thing puts them in,
        # and alters their names to end in -reduced to indicate that
        # they have been modified.
        for package in $$(dpkg -S `find $(TREE)/lib -type f -not -name '*.o' -not -name '*.dep' | \
                        sed s:$(TREE)::` | cut -d : -f 1 | \
                        sort | uniq); do \
                dpkg -s $$package | sed "s/$$package/$$package-reduced/g" \
                        >> $(DPKGDIR)/status; \
        done

        # Reduce status file to contain only the elements we care about.
        egrep -i '^((Status|Provides|Depends|Package|Version|Description|installer-menu-item|Description-..):|$$)' \
                $(DPKGDIR)/status > $(DPKGDIR)/status.udeb
        rm -f $(DPKGDIR)/status
        ln -sf status.udeb $(DPKGDIR)/status

ifdef NO_I18N
        # Remove all internationalization from the templates.
        # Not ideal, but useful if you're very tight on space.
        for FILE in $$(find $(TREE) -name "*.templates"); do \
                perl -e 'my $$status = 0; while (<>) { if (/^[A-Z]/ || /^$$/) { if (/^(Choices|Description)-/) { $$status = 0; } else { $$status = 1; } } print if ($$status); }' < $$FILE > temp; \
                mv temp $$FILE; \
        done
endif
        
        # If the image has pcmcia, reduce the config file to list only
        # entries that there are modules on the image. This saves ~30k.
        if [ -e $(TREE)/etc/pcmcia/config ]; then \
                ./pcmcia-config-reduce.pl $(TREE)/etc/pcmcia/config \
                        `if [ -d "$(DRIVEREXTRASDIR)" ]; then find $(DRIVEREXTRASDIR)/lib/modules -name \*.o; fi` \
                        `find $(TREE)/lib/modules/ -name \*.o` > \
                        $(TREE)/etc/pcmcia/config.reduced; \
                mv -f $(TREE)/etc/pcmcia/config.reduced $(TREE)/etc/pcmcia/config; \
        fi

        # Strip all kernel modules, just in case they haven't already been
        for module in `find $(TREE)/lib/modules/ -name '*.o'`; do \
            strip -R .comment -R .note -g $$module; \
        done

        # Remove some unnecessary dpkg files.
        for file in `find $(TREE)/var/lib/dpkg/info -name '*.md5sums' -o \
            -name '*.postrm' -o -name '*.prerm' -o -name '*.preinst' -o \
            -name '*.list'`; do \
            rm $$file; \
        done

        # Collect the used UTF-8 strings, to know which glyphs to include in
        # the font.  Using strings is not the best way, but no better
        # suggestion has been made yet.
        cp graphic.utf all-$(TYPE).utf
ifeq ($(TYPE),floppy)
        if [ -n "`find $(DRIVEREXTRASDPKGDIR)/info/ -name \\*.templates`" ]; then \
                cat $(DRIVEREXTRASDPKGDIR)/info/*.templates >> all-$(TYPE).utf; \
        fi
endif
        if [ -n "`find $(DPKGDIR)/info/ -name \\*.templates`" ]; then \
                cat $(DPKGDIR)/info/*.templates >> all-$(TYPE).utf; \
        fi
        find $(TREE) -type f | xargs strings >> all-$(TYPE).utf

ifeq ($(TYPE),floppy)
        # Remove additional driver disk contents now that we're done with
        # them.
        rm -rf $(DRIVEREXTRASDIR)
endif

        # Tree target ends here. Whew!
        touch $(TYPE)-tree-stamp

unifont-reduced-$(TYPE).bdf: all-$(TYPE).utf
        # Use the UTF-8 locale in rootskel-locale. This target shouldn't
        # be called when it is not present anyway.
        # reduce-font is part of package libbogl-dev
        # unifont.bdf is part of package bf-utf-source
        # The locale must be generated after installing the package locales
        CHARMAP=`LOCPATH=$(LOCALE_PATH) LC_ALL=C.UTF-8 locale charmap`; \
            if [ UTF-8 != "$$CHARMAP" ]; then \
                echo "error: Trying to build unifont.bgf without rootskel-locale!"; \
                exit 1; \
            fi
        LOCPATH=$(LOCALE_PATH) LC_ALL=C.UTF-8 reduce-font /usr/src/unifont.bdf < all-$(TYPE).utf > $@.tmp
        mv $@.tmp $@

$(TREE)/unifont.bgf: unifont-reduced-$(TYPE).bdf
        # bdftobogl is part of package libbogl-dev
        bdftobogl -b unifont-reduced-$(TYPE).bdf > $@.tmp
        mv $@.tmp $@

# Build the driver floppy image
$(EXTRA_TARGETS) : %-stamp : $(TYPE)-get_udebs-stamp
        mkdir -p  ${TEMP}/$*
        for file in $(shell grep --no-filename -v ^\#  pkg-lists/$*/common \
                `if [ -f pkg-lists/$*/$(DEB_HOST_ARCH) ]; then echo pkg-lists/$*/$(DEB_HOST_ARCH); fi` \
                | sed -e 's/^\(.*\)$${kernel:Version}\(.*\)$$/$(foreach VERSION,$(KERNELIMAGEVERSION),\1$(VERSION)\2\n)/g' ) ; do \
                        cp $(EXTRAUDEBDIR)/$$file* ${TEMP}/$*  ; \
                        echo $$file >> ${TEMP}/$*/udeb_include; \
        done
        touch $@

$(EXTRA_IMAGES) : $(DEST)/%-image.img :  $(EXTRA_TARGETS)
        rm -f $@
        install -d $(TEMP)
        install -d $(DEST)
        set -e; if [ $(INITRD_FS) = ext2 ]; then \
                genext2fs -d $(TEMP)/$* -b $(FLOPPY_SIZE) -r 0  $@; \
        elif [ $(INITRD_FS) = romfs ]; then \
                genromfs -d $(TEMP)/$* -f $@; \
        else \
                echo "Unsupported filesystem type"; \
                exit 1; \
        fi;

tarball: tree
        tar czf $(DEST)/$(TYPE)-debian-installer.tar.gz $(TREE)

# Make sure that the temporary mountpoint exists and is not occupied.
tmp_mount:
        if mount | grep -q $(TMP_MNT) && ! umount $(TMP_MNT) ; then \
                echo "Error unmounting $(TMP_MNT)" 2>&1 ; \
                exit 1; \
        fi
        mkdir -p $(TMP_MNT)

# Create a compressed image of the root filesystem by way of genext2fs.
initrd: $(INITRD)
$(INITRD): TMP_FILE=$(TEMP)/image.tmp
$(INITRD):  $(TYPE)-tree-stamp
        # Only build the font if we have rootskel-locale
        if [ -d "$(LOCALE_PATH)/C.UTF-8" ]; then \
            $(MAKE) $(TREE)/unifont.bgf; \
        fi
        rm -f $(TMP_FILE)
        install -d $(TEMP)
        install -d $(DEST)

        if [ $(INITRD_FS) = ext2 ]; then \
                genext2fs -d $(TREE) -b `expr $$(du -s $(TREE) | cut -f 1) + $$(expr $$(find $(TREE) | wc -l) \* 2)` $(TMP_FILE); \
        elif [ $(INITRD_FS) = romfs ]; then \
                genromfs -d $(TREE) -f $(TMP_FILE); \
        else \
                echo "Unsupported filesystem type"; \
                exit 1; \
        fi;
        gzip -vc9 $(TMP_FILE) > $(INITRD).tmp
        mv $(INITRD).tmp $(INITRD)

# Write image to floppy
floppy: boot_floppy
boot_floppy: $(IMAGE)
        install -d $(DEST)
        sudo dd if=$(IMAGE) of=$(FLOPPYDEV) bs=$(FLOPPY_SIZE)k

# Write drivers  floppy
%_floppy: $(DEST)/%-image.img
        sudo dd if=$< of=$(FLOPPYDEV)

# If you're paranoid (or things are mysteriously breaking..),
# you can check the floppy to make sure it wrote properly.
# This target will fail if the floppy doesn't match the floppy image.
floppy_check: $(IMAGE)
        sudo cmp $(FLOPPYDEV) $(IMAGE)

listtypes:
        @echo "supported types: $(TYPES_SUPPORTED)"


stats: tree $(EXTRA_TARGETS) general-stats $(EXTRA_STATS)

COMPRESSED_SZ=$(shell expr $(shell tar czf - $(TREE) | wc -c) / 1024)
KERNEL_SZ=$(shell expr \( $(foreach NAME,$(KERNELNAME),$(shell du -b $(TEMP)/$(NAME) 2>/dev/null | cut -f 1) +) 0 \) / 1024)
general-stats:
        @echo
        @echo "System stats for $(TYPE)"
        @echo "-------------------------"
        @echo "Installed udebs: $(UDEBS)"
        @echo -n "Total system size: $(shell du -h -s $(TREE) | cut -f 1)"
        @echo -n " ($(shell du -h --exclude=modules -s $(TREE)/lib | cut -f 1) libs, "
        @echo "$(shell du -h -s $(TREE)/lib/modules | cut -f 1) kernel modules)"
        @echo "Initrd size: $(COMPRESSED_SZ)k"
        @echo "Kernel size: $(KERNEL_SZ)k"
ifneq (,$(FLOPPY_SIZE))
        @echo "Free space: $(shell expr $(FLOPPY_SIZE) - $(KERNEL_SZ) - $(COMPRESSED_SZ))k"
endif
        @echo "Disk usage per package:"
        @sed 's/^/  /' < diskusage-$(TYPE).txt
# Add your interesting stats here.

SZ=$(shell expr $(shell du -b $(TEMP)/$*  | cut -f 1 ) / 1024)
$(EXTRA_STATS) : %-stats:
        @echo
        @echo "$* size: $(SZ)k"
ifneq (,$(FLOPPY_SIZE))
        @echo "Free space: $(shell expr $(FLOPPY_SIZE) - $(SZ))k"
endif
        @echo "Disk usage per package:"
        @ls -l $(TEMP)/$*/*.udeb

# These tagets build all available types.
all_build:
        set -e; for type in $(TYPES_SUPPORTED); do \
                $(MAKE) build TYPE=$$type; \
        done
all_images:
        set -e; for type in $(TYPES_SUPPORTED); do \
                $(MAKE) image TYPE=$$type; \
        done
# Suitable for a cron job, you'll only see the stats unless a build fails.
all_stats:
        @echo "Image size stats"
        @echo
        @(set -e; $(MAKE) all_build >tmp/log 2>&1 || \
          (echo "build failure!"; cat tmp/log; false))
        @rm -f tmp/log
        @for type in $(TYPES_SUPPORTED); do \
                $(MAKE) -s stats TYPE=$$type; \
        done