chiark - git - mdw - distorted-chroot/blob - Makefile

   1 ### -*-makefile-*-
   2 ###
   3 ### Main maintenance script for chroots
   4 ###
   5 ### (c) 2018 Mark Wooding
   6 ###
   7
   8 ###----- Licensing notice ---------------------------------------------------
   9 ###
  10 ### This file is part of the distorted.org.uk chroot maintenance tools.
  11 ###
  12 ### distorted-chroot is free software: you can redistribute it and/or
  13 ### modify it under the terms of the GNU General Public License as
  14 ### published by the Free Software Foundation; either version 2 of the
  15 ### License, or (at your option) any later version.
  16 ###
  17 ### distorted-chroot is distributed in the hope that it will be useful,
  18 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20 ### General Public License for more details.
  21 ###
  22 ### You should have received a copy of the GNU General Public License
  23 ### along with distorted-chroot.  If not, write to the Free Software
  24 ### Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  25 ### USA.
  26
  27 all::
  28 clean::
  29 check::
  30 .PHONY: all clean check
  31 .SECONDEXPANSION: #sorry
  32
  33 ###--------------------------------------------------------------------------
  34 ### Configuration.
  35
  36 CONFIG_VARS              =
  37
  38 ## Level of pickiness to aspire to.
  39 NOTIFY_FATAL             = 1
  40
  41 ## Volume group from which to allocate chroot volumes and snapshots.
  42 CONFIG_VARS             += VG LVPREFIX
  43 VG                      := vg-$(shell hostname)
  44 LVPREFIX                 =
  45
  46 ## Logical volume size, as an LVM option.
  47 CONFIG_VARS             += LVSZ SNAPOPT
  48 LVSZ                     = -L8G
  49 SNAPOPT                  = -L8G
  50
  51 ## Debian mirror.
  52 CONFIG_VARS             += DEBMIRROR
  53 DEBMIRROR                = http://deb.debian.org/debian/
  54
  55 ## APT sources configurations.  (Also, $($d_APTSRC) for each $d in $(DISTS).)
  56 CONFIG_VARS             += APTSRC
  57 APTSRC                   = etc/aptsrc.conf $(wildcard etc/aptsrc.local.conf)
  58
  59 ## APT configuration fragment names.  These will be linked into
  60 ## `/etc/apt/apt.conf.d' in each chroot.  To put a fragment f in a surprising
  61 ## place, set $(_$f_APTCONFSRC).
  62 CONFIG_VARS             += APTCONF $(foreach f,$(APTCONF),_$f_APTCONFSRC)
  63 APTCONF                  = $(notdir $(wildcard etc/apt-conf.d/[0-9]*[!~]))
  64
  65 ## Proxy setting.
  66 CONFIG_VARS             += PROXY
  67 PROXY                    = $(shell \
  68         eval $$(apt-config $(foreach a,$(APTCONF),-cetc/apt-conf.d/$a) \
  69                 shell proxy Acquire::http::proxy); \
  70         case $${proxy+t} in (t) echo "$$proxy" ;; (*) echo nil ;; esac)
  71
  72 ## Debian distributions to support.
  73 CONFIG_VARS             += PRIMARY_DIST DISTS
  74 PRIMARY_DIST             = stretch
  75 DISTS                    = $(PRIMARY_DIST) buster bullseye sid
  76
  77 ## Host's native architecture(s).
  78 CONFIG_VARS             += MYARCH NATIVE_ARCHS
  79 MYARCH                  := $(shell dpkg --print-architecture)
  80 OTHERARCHS              := $(shell dpkg --print-foreign-architectures)
  81 NATIVE_ARCHS             = $(MYARCH) $(OTHERARCHS)
  82
  83 ## Foreign (emulated) architectures to support.
  84 CONFIG_VARS             += FOREIGN_ARCHS
  85 FOREIGN_ARCHS            =
  86
  87 ## Master lists of chroots to build and maintain.
  88 CONFIG_VARS             += NATIVE_CHROOTS FOREIGN_CHROOTS
  89 NATIVE_CHROOTS           = $(foreach a,$(NATIVE_ARCHS), \
  90                                 $(foreach d,$(or $($a_DISTS) $(DISTS)), \
  91                                         $d-$a))
  92 FOREIGN_CHROOTS          = $(foreach a,$(FOREIGN_ARCHS), \
  93                                 $(foreach d,$(or $($a_DISTS) $(DISTS)), \
  94                                         $d-$a))
  95
  96 ## Extra packages to be installed in chroots.  `BASE_PACKAGES' are installed
  97 ## through `debootstrap'; `EXTRA_PACKAGES' are installed later, using Apt,
  98 ## which is faster in foreign chroots.
  99 CONFIG_VARS             += BASE_PACKAGES EXTRA_PACKAGES
 100 BASE_PACKAGES            = eatmydata
 101 EXTRA_PACKAGES           = build-essential
 102 EXTRA_PACKAGES          += ccache
 103 EXTRA_PACKAGES          += fakeroot
 104 EXTRA_PACKAGES          += libfile-fcntllock-perl
 105 EXTRA_PACKAGES          += locales
 106
 107 ## Extra packages from which to install the cross tools.
 108 CONFIG_VARS             += CROSS_PACKAGES
 109 CROSS_PACKAGES           = bash coreutils dash findutils
 110 CROSS_PACKAGES          += gzip m4 mawk sed tar xz-utils
 111 CROSS_PACKAGES          += apt ccache eatmydata fakeroot make
 112 CROSS_PACKAGES          += qemu-user-static
 113 CROSS_PACKAGES          += $(foreach a,$(FOREIGN_GNUARCHS),\
 114                                 gcc-$a g++-$a binutils-$a)
 115
 116 ## Native files to install in place of the foreign versions.  `MULTI' here
 117 ## stands for the donor's GNU multiarch name.
 118 CONFIG_VARS             += CROSS_PATHS
 119 CROSS_PATHS             += \
 120         $(addprefix /usr/bin/, \
 121                 apt apt-cache apt-config apt-get apt-key apt-mark) \
 122         $(addprefix /usr/lib/apt/, \
 123                 methods/ solvers/) \
 124         $(addprefix /bin/, \
 125                 cat chgrp chown cp date dd df dir echo false ln ls mkdir \
 126                 mknod mktemp mv pwd readlink rm rmdir sleep stty sync touch \
 127                 true uname vdir) \
 128         $(addprefix /usr/bin/, \
 129                 [ arch b2sum base32 base64 basename chcon cksum comm \
 130                 csplit cut dircolors dirname du env expand expr factor fmt \
 131                 fold groups head hostid id install join link logname md5sum \
 132                 mkfifo nice nl nohup nproc numfmt od paste pathchk pinky pr \
 133                 printenv printf ptx realpath runcon seq sha1sum sha224sum \
 134                 sha256sum sha384sum sha512sum shred shuf sort split stat \
 135                 stdbuf sum tac tail tee test timeout tr truncate tsort tty \
 136                 unexpand uniq unlink users wc who whoami yes) \
 137         /usr/lib/MULTI/coreutils/ \
 138         $(addprefix /lib/MULTI/, \
 139                 libnsl.so.* libnss_*.so.*) \
 140         /usr/bin/gpgv \
 141         /usr/bin/qemu-*-static \
 142         $(addprefix /bin/, \
 143                 bash dash gzip sed tar) \
 144         $(addprefix /usr/bin/, \
 145                 ccache find m4 make mawk xargs xz) \
 146         $(addprefix /usr/lib/MULTI/, \
 147                 libeatmydata.so* libfakeroot/) \
 148         $(addprefix /etc/ld.so.conf.d/, \
 149                 MULTI.conf fakeroot*.conf) \
 150         $(foreach a,$(FOREIGN_GNUARCHS), \
 151                 $(addprefix /usr/bin/$a-, \
 152                         addr2line ar as c++filt dwp elfedit gprof ld ld.* \
 153                         nm objcopy objdump ranlib readelf size strings \
 154                         strip) \
 155                 $(addprefix /usr/bin/$a-, \
 156                         cpp gcc g++ gcov gcov-dump gcov-tool gprof \
 157                         gcc-ar gcc-nm gcc-ranlib) \
 158                 /usr/lib/gcc-cross/$a/)
 159
 160 ## Local packages to be compiled and installed in chroots.  Archives can be
 161 ## found in `pkg/'.
 162 CONFIG_VARS             += LOCALPKGS $(foreach p,$(LOCALPKGS),$p_DEPS)
 163 LOCALPKGS                = mLib checkpath
 164 mLib_DEPS                =
 165 checkpath_DEPS           = mLib
 166
 167 ## Which host architecture to use for foreign architectures.  It turns out
 168 ## that it's best to use a Qemu with the same host bitness as the target
 169 ## architecture; otherwise it has to do a difficult job of converting
 170 ## arguments and results between kernel ABI flavours.
 171 32BIT_QEMUHOST           = $(or $(filter i386,$(NATIVE_ARCHS)),$(TOOLSARCH))
 172 64BIT_QEMUHOST           = $(or $(filter amd64,$(NATIVE_ARCHS)),$(TOOLSARCH))
 173
 174 CONFIG_VARS             += $(foreach a,$(FOREIGN_ARCHS),$a_QEMUHOST)
 175 armel_QEMUHOST           = $(32BIT_QEMUHOST)
 176 armhf_QEMUHOST           = $(32BIT_QEMUHOST)
 177 arm64_QEMUHOST           = $(64BIT_QEMUHOST)
 178 i386_QEMUHOST            = $(32BIT_QEMUHOST)
 179 amd64_QEMUHOST           = $(64BIT_QEMUHOST)
 180
 181 ## Qemu architecture names.  These tell us which Qemu binary to use for a
 182 ## particular Debian architecture.
 183 CONFIG_VARS             += $(foreach a,$(FOREIGN_ARCHS),$a_QEMUARCH)
 184 armel_QEMUARCH           = arm
 185 armhf_QEMUARCH           = arm
 186 arm64_QEMUARCH           = aarch64
 187 i386_QEMUARCH            = i386
 188 amd64_QEMUARCH           = x86_64
 189
 190 ## Alias mapping for chroots.
 191 CONFIG_VARS             += $(foreach d,$(DISTS),$d_ALIASES)
 192 stretch_ALIASES          = oldstable
 193 buster_ALIASES           = stable
 194 bullseye_ALIASES         = testing
 195 sid_ALIASES              = unstable
 196
 197 ## Which host architecture to use for commonly used tools in foreign chroots.
 198 CONFIG_VARS             += TOOLSARCH
 199 TOOLSARCH                = $(MYARCH)
 200
 201 ## A directory in which we can maintain private files and state.
 202 CONFIG_VARS             += STATE
 203 STATE                    = state
 204
 205 ## A directory which will be spliced into chroots as `/usr/local.schroot/'.
 206 ## This will be our primary point of contact with the chroot.
 207 CONFIG_VARS             += LOCAL ABSLOCAL
 208 LOCAL                    = local.schroot
 209 ABSLOCAL                 = $(abspath $(LOCAL))
 210
 211 ## How to run a command as a privileged user.
 212 CONFIG_VARS             += ROOTLY
 213 ROOTLY                   = sudo
 214
 215 ## Files to be copied into a chroot from the host.
 216 SCHROOT_COPYFILES        = /etc/resolv.conf
 217 SCHROOT_NSSDATABASES     = passwd shadow group gshadow
 218
 219 ## Local configuration hook.
 220 -include local.mk
 221
 222 ## All chroot names.
 223 CONFIG_VARS             += ALL_ARCHS ALL_CHROOTS
 224 ALL_ARCHS                = $(NATIVE_ARCHS) $(FOREIGN_ARCHS)
 225 ALL_CHROOTS              = $(NATIVE_CHROOTS) $(FOREIGN_CHROOTS)
 226
 227 ## GNU names for foreign architectures.
 228 CONFIG_VARS             += FOREIGN_GNUARCHS
 229 FOREIGN_GNUARCHS        := $(foreach a,$(FOREIGN_ARCHS),\
 230                                 $(shell dpkg-architecture -A$a \
 231                                         -qDEB_TARGET_GNU_TYPE))
 232
 233 ###--------------------------------------------------------------------------
 234 ### Utilities.
 235
 236 ## Hack to force rebuilding.
 237 _force:
 238 .PHONY: _force
 239
 240 ## Hack to not delimit function arguments.  (Ugh!)
 241 comma                    = ,
 242
 243 ## Silent-rules machinery.
 244 V                        = 0
 245 V_AT                     = $(V_AT_$V)
 246 V_AT_0                   = @
 247 v_print                  = $(call v_print_$V,$1,$2)
 248 v_print_0                = printf "  %-8s %s\n" "$1" $(call squote,$2);
 249 v_tag                    = $(V_AT)$(call v_print,$1,$@)
 250 v_log                    = $(call v_log_$V,$1,$2)
 251 v_log_                   = $(call v_log_1,$1,$2)
 252 v_log_0                  = $2 >log/$1.log 2>&1
 253 v_log_1                  = $(call catchrc,$(call throwrc,$2) 2>&1 | tee log/$1.log)
 254 v_echo                   = $(call v_echo_$V,$1)
 255 v_echo_0                 = :
 256 v_echo_1                 = printf "%s\n" $1
 257 CLEANFILES              += log/*.log
 258
 259 ## Oh, shut up.
 260 SILENCE_LVM              = \
 261         LVM_SUPPRESS_FD_WARNINGS=1; export LVM_SUPPRESS_FD_WARNINGS
 262
 263 ##      $(call definedp,VAR)
 264 ##
 265 ## Expand non-empty if and only if VAR is defined (but possibly empty).
 266 definedp                 = $(filter-out undefined,$(origin $1))
 267
 268 ##      $(call catchrc,...$(call throwrc,CMD)...)
 269 ##
 270 ## Catch the exit status of some subpart of a complicated shell rune.
 271 catchrc                  = (exec 3>&1; exit $$({ $1; } 4>&1 >&3 3>&-))
 272 throwrc                  = { $1; echo $$? >&4; }
 273
 274 ##      $(call squote,TXT)
 275 ##
 276 ## Single-quote TXT.
 277 squote                   = '$(subst ','\'',$1)'
 278 #'
 279
 280 ##      $(call chroot-dist,D-A) -> D
 281 ##      $(call chroot-arch,D-A) -> A
 282 ##
 283 ## Parse chroot descriptions.
 284 chroot-dist              = $(patsubst %/,%,$(dir $(subst -,/,$1)))
 285 chroot-arch              = $(notdir $(subst -,/,$1))
 286
 287 ##      $(call package-dir-name,P-V) -> P
 288 ##      $(call package-dir-version,P-V) -> V
 289 ##
 290 ## Parse (source) package directory names.
 291 package-dir-name         = $(sort $(foreach p,$(LOCALPKGS),$(if $(filter $p-$($p_VERSION),$1),$p)))
 292 package-dir-version      = $($(call package-dir-name,$1)_VERSION)
 293
 294 ##      $(call package-dir,P-V.A) -> P-V
 295 ##      $(call package-name,P-V.A) -> P
 296 ##      $(call package-version,P-V.A) -> V
 297 ##      $(call package-arch,P-V.A) -> A
 298 ##
 299 ## Parse package stamp names.
 300 package-dir              = $(basename $1)
 301 package-name             = $(call package-dir-name,$(call package-dir,$1))
 302 package-version          = $(call package-dir-version,$(call package-dir,$1))
 303 package-arch             = $(patsubst .%,%,$(suffix $1))
 304
 305 ##      $(call native-chroot-p,D-A) -> D | <empty>
 306 ##
 307 ## Answer whether D-A is a native chroot.
 308 native-chroot-p          = $(filter $(call chroot-arch,$1),$(NATIVE_ARCHS))
 309
 310 ##      $(call chroot-qemuhost,D-A) -> AA
 311 ##
 312 ## Answer the apporopriate Qemu host architecture for foreign chroot D-A.
 313 chroot-qemuhost          = $($(call chroot-arch,$1)_QEMUHOST)
 314
 315 ##      $(call chroot-deps,PRE,D-A) -> PREDD-AA ... | <empty>
 316 ##
 317 ## Answer a list of additional dependencies for the chroot D-A: specifically,
 318 ## if D-A is foreign then include PRE/DD-AA entries for the tools
 319 ## architecture, and Qemu host architecture (if that's different).
 320 chroot-deps              = $(if $(call native-chroot-p,$2),, \
 321                                 $(addprefix $1$(call chroot-dist,$2)-,\
 322                                         $(sort $(TOOLSARCH) \
 323                                                $(call chroot-qemuhost,$2))))
 324
 325 ## Substituting placeholders in files.
 326 SUBSTITUTIONS           := local=$(shell realpath $(LOCAL))
 327 SUBSTITUTIONS           += primary-dist=$(PRIMARY_DIST)
 328 subst-file               = { \
 329         echo "$1 GENERATED by distorted-chroot: do not edit"; \
 330         substs=""; \
 331         for v in $(SUBSTITUTIONS); do \
 332           var=$${v%%=*} value=$${v\#*=}; \
 333           substs="$$substs s\a@$$var@\a$$value\ag;"; \
 334         done; \
 335         sed "$$substs"; \
 336 }
 337
 338 ###     $(call symlink-ok-p,LINK,DEST)
 339 ###
 340 ### Expand to `t' if LINK is a symbolic link to DEST, and empty otherwise.
 341 symlink-ok-p             = $(shell \
 342         case $$(readlink 2>/dev/null $(patsubst %/,%,$1)) in ($2) echo t ;; esac)
 343
 344 ###     $(call general-notify,SEV,COLOUR,PREFIX,MSG)
 345 ###
 346 ### Report a message, highlighted in the right way, and maybe fail
 347 general-notify           = { \
 348         echo "$$(tput bold; tput setaf $2)$3 "$4"$$(tput sgr0; tput op)"; \
 349         if [ "$1" -le "$(NOTIFY_FATAL)" ]; then exit 2; fi; \
 350 }
 351
 352 ###     $(call report/SEV,MSG)
 353 ###
 354 ### Report a notification of a particular severity.
 355 notify/INFO              = $(call general-notify,3,6,---,$1)
 356 notify/WARN              = $(call general-notify,2,5,???,$1)
 357 notify/ERR               = $(call general-notify,1,1,!!!,$1)
 358
 359 ##      $(call check,SEV,MSG,UNLESS)
 360 ##
 361 ## If UNLESS completes successfully, all is OK; otherwise print MSG to stderr
 362 ## and fail.
 363 check                    = @{ \
 364         $(call v_echo,'check: '$(call squote,$3)''); \
 365         if ! { $3; }; then $(call notify/$1,$2); fi; \
 366 }
 367
 368 ##      $(call check-executable,SEV,PATH)
 369 ##
 370 ## Verify that PATH is an executable program.
 371 check-executable         = $(call check,$1,"\`$2' is not an executable", \
 372         [ -x "$2" ])
 373
 374 ##      $(call check-mountpoint,SEV,DIR)
 375 ##
 376 ## Verify that DIR is a mountpoint.
 377 check-mountpoint         = $(call check,$1,"\`$2' is not a mount point", \
 378         mountpoint -q "$2")
 379
 380 ##      $(call check-symlink,SEV,LINK,DEST)
 381 ##
 382 ## Verify that LINK is a symbolic link pointing to DEST.
 383 check-symlink            = $(call check,$1,"\`$2' is not a link to \`$3'", \
 384         [ -L "$2" ] && [ "$$(readlink "$2")" = "$3" ])
 385
 386 ###--------------------------------------------------------------------------
 387 ### Python extensions.
 388
 389 CC                       = gcc
 390 CFLAGS                   = -O2 -g -Wall
 391
 392 LD                       = $(CC)
 393 LDFLAGS                  =
 394
 395 c-source                 = $(foreach c,$1,src/$c)
 396 c-object                 = $(foreach c,$1,$(STATE)/obj/$(basename $c).o)
 397
 398 PYEXT_PKGFLAGS          := $(shell pkg-config --cflags python2)
 399 PYEXT_CFLAGS             = -fPIC -fno-strict-aliasing $(PYEXT_PKGFLAGS)
 400 PYEXT_LDFLAGS            = -shared
 401
 402 PYEXTS                  += jobclient
 403 jobclient_SOURCES        = jobclient.c
 404
 405 PYEXT_ALLSRC             = $(foreach x,$(PYEXTS),\
 406                                 $(call c-source,$($x_SOURCES)))
 407 PYEXT_ALLOBJ             = $(foreach x,$(PYEXTS),\
 408                                 $(call c-object,$($x_SOURCES)))
 409 $(PYEXT_ALLOBJ): $(STATE)/obj/%.o: src/%.c
 410         $(V_AT)mkdir -p $(dir $@)
 411         $(call v_tag,CC)$(CC) -c $(CFLAGS) $(PYEXT_CFLAGS) -o$@ $<
 412
 413 PYMODULES                = $(foreach x,$(PYEXTS),$(STATE)/lib/python/$x.so)
 414 all:: $(PYMODULES)
 415 $(PYMODULES): $(STATE)/lib/python/%.so: $$(call c-object,$$($$*_SOURCES))
 416         $(V_AT)mkdir -p $(dir $@)
 417         $(call v_tag,LD)$(LD) $(LDFLAGS) $(PYEXT_LDFLAGS) -o$@ $^
 418
 419 ###--------------------------------------------------------------------------
 420 ### Scripts.
 421
 422 SCRIPTS                 += chroot-maint
 423 SCRIPTS                 += mkchrootconf
 424
 425 SUBST_SCRIPTS            = $(addprefix $(STATE)/bin/,$(SCRIPTS))
 426 all:: $(SUBST_SCRIPTS)
 427 $(SUBST_SCRIPTS): $(STATE)/bin/%: bin/% $(STATE)/config.sh
 428         $(V_AT)mkdir -p $(dir $@)
 429         $(call v_tag,SUBST){ \
 430                 sed \
 431                 -e '2i### GENERATED by distorted-chroot: do not edit' \
 432                 -e '/@@@config@@@/ {' \
 433                         -e 'r $(STATE)/config.sh' \
 434                         -e 'd'\
 435                 -e '}' $<; \
 436         } >$@.new && chmod +x $@.new && mv $@.new $@
 437
 438 ###--------------------------------------------------------------------------
 439 ### APT configuration.
 440
 441 ## In a chroot, `/etc/apt/sources.list' links to
 442 ## `/usr/local.schroot/etc/apt/sources.$d' for the appropriate distribution.
 443 APT_SOURCES              = $(foreach d,$(DISTS),$(LOCAL)/etc/apt/sources.$d)
 444 all:: $(APT_SOURCES)
 445
 446 $(foreach d,$(DISTS),$(STATE)/etc/apt/aptsrc.$d): $(STATE)/etc/apt/aptsrc.%:
 447         $(V_AT)mkdir -p $(dir $@)
 448         $(call v_tag,GEN){ \
 449           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 450           echo "subscribe"; \
 451           echo "        debian : $*"; \
 452         } >$@.new && mv $@.new $@
 453
 454 $(APT_SOURCES): $(LOCAL)/etc/apt/sources.%: \
 455                 $$(APTSRC) $$($$*_APTSRC) $$(STATE)/etc/apt/aptsrc.$$*
 456         $(V_AT)mkdir -p $(dir $@)
 457         $(call v_tag,GEN)bin/mkaptsrc \
 458                 $(APTSRC) $($*_APTSRC) $(STATE)/etc/apt/aptsrc.$* \
 459                 >$@.new && mv $@.new $@
 460 CLEANFILES              += $(APT_SOURCES)
 461
 462 ## In a chroot, a link `/etc/apt/apt.conf.d/FOO' is created for each file in
 463 ## `/usr/local.schroot/etc/apt/apt.conf.d/FOO'.
 464 APT_CONFIGS            = $(addprefix $(LOCAL)/etc/apt/apt.conf.d/,$(APTCONF))
 465 all:: $(APT_CONFIGS)
 466 $(APT_CONFIGS): $(LOCAL)/etc/apt/apt.conf.d/%: \
 467                 $$(or $$(_$$*_APTCONFSRC) etc/apt-conf.d/$$*)
 468         $(V_AT)mkdir -p $(dir $@)
 469         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 470 clean::; rm -f $(APT_CONFIGS)
 471
 472 ###--------------------------------------------------------------------------
 473 ### Build hacks.
 474
 475 check::; $(call check-executable,ERR,/usr/bin/eatmydata)
 476
 477 EATMYDATA_HACKS         += apt-get aptitude dpkg
 478 SYMLINK_EATMYDATA_HACKS  = $(addprefix $(LOCAL)/hacks/,$(EATMYDATA_HACKS))
 479 all:: $(SYMLINK_EATMYDATA_HACKS)
 480 $(SYMLINK_EATMYDATA_HACKS): $(LOCAL)/hacks/%: \
 481                 $$(if $$(call symlink-ok-p,$$@,/usr/bin/eatmydata),,_force)
 482         $(V_AT)mkdir -p $(dir $@)
 483         $(call v_tag,SYMLINK)ln -sf /usr/bin/eatmydata $@.new && mv $@.new $@
 484 clean::; rm -f $(SYMLINK_EATMYDATA_HACKS)
 485
 486 SCRIPT_HACKS            += buildwrap
 487 COPY_SCRIPT_HACKS        = $(addprefix $(LOCAL)/hacks/,$(SCRIPT_HACKS))
 488 all:: $(COPY_SCRIPT_HACKS)
 489 $(COPY_SCRIPT_HACKS): $(LOCAL)/hacks/%: bin/%
 490         $(V_AT)mkdir -p $(dir $@)
 491         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 492 clean::; rm -f $(COPY_SCRIPT_HACKS)
 493
 494 ###--------------------------------------------------------------------------
 495 ### `schroot' and `sbuild' configuration.
 496
 497 all:: schroot-config
 498 schroot-config::
 499 .PHONY: schroot-config
 500
 501 check::; $(call check-mountpoint,WARN,/var/lib/sbuild/build)
 502 check::; $(call check-symlink,WARN,/build,/var/lib/sbuild/build)
 503 check::; $(call check-symlink,ERR,/schroot,/run/schroot/mount)
 504
 505 %print-varlist           = { \
 506         echo "\#\#\# -*-sh-*- GENERATED by distorted-chroot: do not edit"; \
 507         $(foreach v,$1,$(if $(call definedp,$v),\
 508                 echo $v=\'$(call squote,$($v))\';)) \
 509 }
 510 schroot-config_HASH     := \
 511         $(shell $(call %print-varlist,$(CONFIG_VARS)) | \
 512                 sha256sum | cut -c1-32)
 513 schroot-config_FILE      = $(STATE)/config.sh-$(schroot-config_HASH)
 514 $(schroot-config_FILE):
 515         $(V_AT)mkdir -p $(STATE)
 516         $(V_AT)rm -f $(STATE)/config.sh-*
 517         $(call v_tag,GEN)$(call %print-varlist,$(CONFIG_VARS)) \
 518                 >$@.new && mv $@.new $@
 519
 520 schroot-config:: $(STATE)/config.sh
 521 $(STATE)/config.sh: $(schroot-config_FILE)
 522         $(call v_tag,SYMLINK)ln -sf $(notdir $<) $@
 523
 524 schroot-config:: $(LOCAL)/etc/schroot/sbuild.schroot
 525 $(LOCAL)/etc/schroot/sbuild.schroot: $(STATE)/bin/mkchrootconf
 526         $(V_AT)mkdir -p $(dir $@)
 527         $(call v_tag,GEN)$(STATE)/bin/mkchrootconf >$@.new && \
 528                 $(ROOTLY) chown root:root $@.new && mv $@.new $@
 529 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.schroot
 530 check::; $(call check-symlink,WARN,/etc/schroot/chroot.d/sbuild,$(ABSLOCAL)/etc/schroot/sbuild.schroot)
 531
 532 schroot-config:: $(LOCAL)/etc/schroot/sbuild.profile/copyfiles
 533 $(LOCAL)/etc/schroot/sbuild.profile/copyfiles: $(schroot-config_STAMP)
 534         $(V_AT)mkdir -p $(dir $@)
 535         $(call v_tag,GEN){ \
 536           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 537           for i in $(SCHROOT_COPYFILES); do echo "$$i"; done; \
 538         } >$@.new && mv $@.new $@
 539 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/copyfiles
 540
 541 schroot-config:: $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases
 542 $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases: $(schroot-config_STAMP)
 543         $(V_AT)mkdir -p $(dir $@)
 544         $(call v_tag,GEN){ \
 545           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 546           for i in $(SCHROOT_NSSDATABASES); do echo "$$i"; done; \
 547         } >$@.new && mv $@.new $@
 548 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases
 549
 550 schroot-config:: $(LOCAL)/etc/schroot/sbuild.profile/fstab
 551 $(LOCAL)/etc/schroot/sbuild.profile/fstab: \
 552                 etc/sbuild.fstab.in $(schroot-config_STAMP)
 553         $(V_AT)mkdir -p $(dir $@)
 554         $(call v_tag,SUBST)$(call subst-file,### -*-conf-*-) \
 555                 <$< >$@.new && mv $@.new $@
 556 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/fstab
 557
 558 check::; $(call check-symlink,WARN,/etc/schroot/sbuild,$(ABSLOCAL)/etc/schroot/sbuild.profile)
 559
 560 schroot-config:: $(LOCAL)/etc/sbuild.conf
 561 $(LOCAL)/etc/sbuild.conf: etc/sbuild.conf.in $(schroot-config_STAMP)
 562         $(V_AT)mkdir -p $(dir $@)
 563         $(call v_tag,SUBST)$(call subst-file,### -*-perl-*-) \
 564                 <$< >$@.new && mv $@.new $@
 565 CLEANFILES              += $(LOCAL)/etc/sbuild.conf
 566 check::; $(call check-symlink,WARN,/etc/sbuild/sbuild.conf,$(ABSLOCAL)/etc/sbuild.conf)
 567 check::; $(call check-executable,WARN,/usr/local.schroot/hacks/apt-get)
 568
 569 SCHROOT_SCRIPTS         += 11private
 570 SCHROOT_SCRIPTS         += 15binfmt
 571 SCHROOT_SCRIPTS         += 51chrootenv
 572 COPY_SCHROOT_SCRIPTS     = $(addprefix $(LOCAL)/etc/schroot/setup.d/,$(SCHROOT_SCRIPTS))
 573 schroot-config:: $(COPY_SCHROOT_SCRIPTS)
 574 $(COPY_SCHROOT_SCRIPTS): \
 575                 $(LOCAL)/etc/schroot/setup.d/%: etc/schroot-scripts/%
 576         $(V_AT)mkdir -p $(dir $@)
 577         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 578 CLEANFILES              += $(COPY_SCHROOT_SCRIPTS)
 579
 580 CHECK_SCHROOT_SCRIPTS    = $(addprefix check-script/,$(SCHROOT_SCRIPTS))
 581 check:: $(CHECK_SCHROOT_SCRIPTS)
 582 $(CHECK_SCHROOT_SCRIPTS): check-script/%:
 583         $(call check-symlink,WARN,/etc/schroot/setup.d/$*,$(ABSLOCAL)/etc/schroot/setup.d/$*)
 584 .PHONY: $(addprefix check-script/,$(SCHROOT_SCRIPTS))
 585
 586 ###--------------------------------------------------------------------------
 587 ### Ccache setup.
 588
 589 CCACHE_CONFIGS           = $(foreach r,$(ALL_CHROOTS), \
 590         /var/lib/sbuild/build/.ccache/$(LVPREFIX)$r/ccache.conf)
 591 all:: $(CCACHE_CONFIGS)
 592 $(CCACHE_CONFIGS): /var/lib/sbuild/build/.ccache/$(LVPREFIX)%/ccache.conf: \
 593                 etc/ccache.conf
 594         $(V_AT)mkdir -p $(dir $@)
 595         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 596
 597 ###--------------------------------------------------------------------------
 598 ### `/usr/local/' structure.
 599
 600 LOCAL_COMMON_DIRS        = share/ src/
 601 LOCAL_EXTRA_DIRS         = share/man/
 602 all:: $(foreach d,$(LOCAL_COMMON_DIRS) $(LOCAL_EXTRA_DIRS),$(LOCAL)/$d)
 603 $(foreach d,$(LOCAL_COMMON_DIRS) $(LOCAL_EXTRA_DIRS),$(LOCAL)/$d):
 604         $(V_AT)mkdir -p $(dir $(patsubst %/,%,$@))
 605         $(call v_tag,MKDIR)mkdir $@
 606
 607 LOCAL_ARCH_DIRS          = bin/ etc/ games/ include/ lib/ libexec/ sbin/
 608 LOCAL_ARCH_LINKS         = man
 609 man_LINKDEST             = share/man
 610 all:: $(foreach a,$(ALL_ARCHS),\
 611         $(LOCAL)/$a/ \
 612         $(foreach d,$(LOCAL_ARCH_DIRS),$(LOCAL)/$a/$d) \
 613         $(foreach d,$(LOCAL_ARCH_LINKS),$(LOCAL)/$a/$d) \
 614         $(foreach d,$(LOCAL_COMMON_DIRS),$(LOCAL)/$a/$d))
 615
 616 $(foreach a,$(ALL_ARCHS),$(LOCAL)/$a/):
 617         $(call v_tag,MKDIR)mkdir $@
 618 $(foreach a,$(ALL_ARCHS),\
 619   $(foreach d,$(LOCAL_ARCH_DIRS),$(LOCAL)/$a/$d)):
 620         $(V_AT)mkdir -p $(dir $(patsubst %/,%,$@))
 621         $(call v_tag,MKDIR)mkdir $@
 622 $(foreach a,$(ALL_ARCHS),\
 623   $(foreach d,$(LOCAL_ARCH_LINKS),$(LOCAL)/$a/$d)): \
 624                 $$(if $$(call symlink-ok-p,$$@,$$($$(notdir $$@)_LINKDEST)),,_force)
 625         $(V_AT)mkdir -p $(notdir $@)
 626         $(call v_tag,SYMLINK)ln -sf $($(notdir $@)_LINKDEST) $@
 627 $(foreach a,$(ALL_ARCHS),\
 628   $(foreach d,$(LOCAL_COMMON_DIRS),$(LOCAL)/$a/$d)): \
 629                 $$(if $$(call symlink-ok-p,$$@,../$$(notdir $$(patsubst %/,%,$$@))),,_force)
 630         $(V_AT)mkdir -p $(dir $(patsubst %/,%,$@))
 631         $(call v_tag,SYMLINK)ln -sf ../$(notdir $(patsubst %/,%,$@)) $(patsubst %/,%,$@)
 632
 633 ###--------------------------------------------------------------------------
 634 ### Main chroot maintenance.
 635
 636 OPTS                     =
 637 FRESH                    = 1w
 638 JOBS                     = chroot cross-tools pkg-build
 639
 640 MAINTQ_                  = -q
 641 MAINTQ_0                 = -q
 642 MAINT                    = +$(call v_tag,MAINT)\
 643         PYTHONPATH=$(STATE)/lib/python $(STATE)/bin/chroot-maint \
 644                 $(MAINTQ_$V) $(OPTS)
 645
 646 maint: all check
 647         $(MAINT) -f$(FRESH) $(JOBS)
 648 .PHONY: maint
 649
 650 ###--------------------------------------------------------------------------
 651 ### Running random commands.
 652
 653 CMD                      = echo %d %a
 654 subst-command            = $(subst %d,$(call chroot-dist,$1), \
 655                                 $(subst %a,$(call chroot-arch,$1), \
 656                                         $(subst %r,$1, $(CMD))))
 657
 658 run: $(foreach c,$(ALL_CHROOTS),run/$c)
 659 $(foreach c,$(ALL_CHROOTS),run/$c): run/%:
 660         $(V_AT)$(call v_print,RUN,$(call subst-command,$*))\
 661                 $(call subst-command,$*)
 662
 663 ###--------------------------------------------------------------------------
 664 ### Other maintenance targets.
 665
 666 show:; : $x
 667
 668 clean::
 669         rm -f $(CLEANFILES)
 670         rm -rf $(STATE)
 671
 672 realclean:: clean
 673         rm -rf $(LOCAL)
 674
 675 ###----- That's all, folks --------------------------------------------------