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 help::
  31 .PHONY: all clean check help
  32 .SECONDEXPANSION: #sorry
  33
  34 ###--------------------------------------------------------------------------
  35 ### Configuration.
  36
  37 CONFIG_VARS              =
  38
  39 help::
  40         @echo  "Configuration variables"
  41
  42 ## Make verbosity.
  43 V                        = 0
  44 help::;  @echo "        V               build verbosity"
  45
  46 ## Level of pickiness to aspire to.
  47 NOTIFY_FATAL             = 1
  48 help::
  49         @echo  "        NOTIFY_FATAL    report fatal error on ..." && \
  50         echo   "                                1 = error" && \
  51         echo   "                                2 = warning" && \
  52         echo   "                                3 = info"
  53
  54 ## Volume group from which to allocate chroot volumes and snapshots.
  55 CONFIG_VARS             += VG LVPREFIX
  56 VG                      := vg-$(shell hostname)
  57 LVPREFIX                 =
  58
  59 ## Logical volume size, as an LVM option.
  60 CONFIG_VARS             += LVSZ SNAPOPT
  61 LVSZ                     = -L8G
  62 SNAPOPT                  = -L8G
  63
  64 ## Debian mirror.
  65 CONFIG_VARS             += DEBMIRROR
  66 DEBMIRROR                = http://deb.debian.org/debian/
  67
  68 ## APT sources configurations.  (Also, $($d_APTSRC) for each $d in $(DISTS).)
  69 CONFIG_VARS             += APTSRC
  70 APTSRC                   = etc/aptsrc.conf $(wildcard etc/aptsrc.local.conf)
  71
  72 ## APT configuration fragment names.  These will be linked into
  73 ## `/etc/apt/apt.conf.d' in each chroot.  To put a fragment f in a surprising
  74 ## place, set $(_$f_APTCONFSRC).
  75 CONFIG_VARS             += APTCONF $(foreach f,$(APTCONF),_$f_APTCONFSRC)
  76 APTCONF                  = $(notdir $(wildcard etc/apt-conf.d/[0-9]*[!~]))
  77
  78 ## Proxy setting.
  79 CONFIG_VARS             += PROXY
  80 PROXY                    = $(shell \
  81         eval $$(apt-config $(foreach a,$(APTCONF),-cetc/apt-conf.d/$a) \
  82                 shell proxy Acquire::http::proxy); \
  83         case $${proxy+t} in (t) echo "$$proxy" ;; (*) echo nil ;; esac)
  84
  85 ## Debian distributions to support.
  86 CONFIG_VARS             += PRIMARY_DIST DISTS
  87 PRIMARY_DIST             = stretch
  88 DISTS                    = $(PRIMARY_DIST) buster bullseye bookworm sid
  89
  90 ## Host's native architecture(s).
  91 CONFIG_VARS             += MYARCH NATIVE_ARCHS
  92 MYARCH                  := $(shell dpkg --print-architecture)
  93 OTHERARCHS              := $(shell dpkg --print-foreign-architectures)
  94 NATIVE_ARCHS             = $(MYARCH) $(OTHERARCHS)
  95
  96 ## Foreign (emulated) architectures to support.
  97 CONFIG_VARS             += FOREIGN_ARCHS
  98 FOREIGN_ARCHS            =
  99
 100 ## Master lists of chroots to build and maintain.
 101 CONFIG_VARS             += NATIVE_CHROOTS FOREIGN_CHROOTS
 102 NATIVE_CHROOTS           = $(foreach a,$(NATIVE_ARCHS), \
 103                                 $(foreach d,$(or $($a_DISTS) $(DISTS)), \
 104                                         $d-$a))
 105 FOREIGN_CHROOTS          = $(foreach a,$(FOREIGN_ARCHS), \
 106                                 $(foreach d,$(or $($a_DISTS) $(DISTS)), \
 107                                         $d-$a))
 108
 109 ## Extra packages to be installed in chroots.  `BASE_PACKAGES' are installed
 110 ## through `debootstrap'; `EXTRA_PACKAGES' are installed later, using Apt,
 111 ## which is faster in foreign chroots.
 112 CONFIG_VARS             += BASE_PACKAGES EXTRA_PACKAGES
 113 BASE_PACKAGES            = eatmydata
 114 EXTRA_PACKAGES           = build-essential
 115 EXTRA_PACKAGES          += ccache
 116 EXTRA_PACKAGES          += fakeroot
 117 EXTRA_PACKAGES          += libfile-fcntllock-perl
 118 EXTRA_PACKAGES          += locales
 119
 120 ## Extra packages from which to install the cross tools.
 121 CONFIG_VARS             += CROSS_PACKAGES
 122 CROSS_PACKAGES           = bash coreutils dash findutils
 123 CROSS_PACKAGES          += gzip m4 mawk sed tar xz-utils
 124 CROSS_PACKAGES          += apt ccache eatmydata fakeroot make
 125 CROSS_PACKAGES          += qemu-user-static
 126 CROSS_PACKAGES          += $(foreach a,$(FOREIGN_GNUARCHS),\
 127                                 gcc-$a g++-$a binutils-$a)
 128
 129 ## Native files to install in place of the foreign versions.  `MULTI' here
 130 ## stands for the donor's GNU multiarch name.
 131 CONFIG_VARS             += CROSS_PATHS
 132 CROSS_PATHS             += \
 133         $(addprefix /usr/bin/, \
 134                 apt apt-cache apt-config apt-get apt-key apt-mark) \
 135         $(addprefix /usr/lib/apt/, \
 136                 methods/ solvers/) \
 137         $(addprefix /bin/, \
 138                 cat chgrp chown cp date dd df dir echo false ln ls mkdir \
 139                 mknod mktemp mv pwd readlink rm rmdir sleep stty sync touch \
 140                 true uname vdir) \
 141         $(addprefix /usr/bin/, \
 142                 [ arch b2sum base32 base64 basename chcon cksum comm \
 143                 csplit cut dircolors dirname du env expand expr factor fmt \
 144                 fold groups head hostid id install join link logname md5sum \
 145                 mkfifo nice nl nohup nproc numfmt od paste pathchk pinky pr \
 146                 printenv printf ptx realpath runcon seq sha1sum sha224sum \
 147                 sha256sum sha384sum sha512sum shred shuf sort split stat \
 148                 stdbuf sum tac tail tee test timeout tr truncate tsort tty \
 149                 unexpand uniq unlink users wc who whoami yes) \
 150         ?/usr/lib/MULTI/coreutils/ \
 151         $(addprefix /lib/MULTI/, \
 152                 libnsl.so.* libnss_*.so.*) \
 153         /usr/bin/gpgv \
 154         /usr/bin/qemu-*-static \
 155         $(addprefix /bin/, \
 156                 bash dash gzip sed tar) \
 157         $(addprefix /usr/bin/, \
 158                 ccache find m4 make mawk xargs xz) \
 159         $(addprefix /usr/lib/MULTI/, \
 160                 libeatmydata.so* libfakeroot/) \
 161         $(addprefix /etc/ld.so.conf.d/, \
 162                 MULTI.conf fakeroot*.conf) \
 163         $(foreach a,$(FOREIGN_GNUARCHS), \
 164                 $(addprefix /usr/bin/$a-, \
 165                         addr2line ar as c++filt dwp elfedit gprof ld ld.* \
 166                         nm objcopy objdump ranlib readelf size strings \
 167                         strip) \
 168                 $(addprefix /usr/bin/$a-, \
 169                         cpp gcc g++ gcov gcov-dump gcov-tool gprof \
 170                         gcc-ar gcc-nm gcc-ranlib) \
 171                 /usr/lib/gcc-cross/$a/ \
 172                 /usr/$a/include/c++)
 173
 174 ## Local packages to be compiled and installed in chroots.  Archives can be
 175 ## found in `pkg/'.
 176 CONFIG_VARS             += LOCALPKGS $(foreach p,$(LOCALPKGS),$p_DEPS)
 177 LOCALPKGS                = mLib checkpath
 178 mLib_DEPS                =
 179 checkpath_DEPS           = mLib
 180
 181 ## Which host architecture to use for foreign architectures.  It turns out
 182 ## that it's best to use a Qemu with the same host bitness as the target
 183 ## architecture; otherwise it has to do a difficult job of converting
 184 ## arguments and results between kernel ABI flavours.
 185 32BIT_QEMUHOST           = $(or $(filter i386,$(NATIVE_ARCHS)),$(TOOLSARCH))
 186 64BIT_QEMUHOST           = $(or $(filter amd64,$(NATIVE_ARCHS)),$(TOOLSARCH))
 187
 188 CONFIG_VARS             += $(foreach a,$(FOREIGN_ARCHS),$a_QEMUHOST)
 189 armel_QEMUHOST           = $(32BIT_QEMUHOST)
 190 armhf_QEMUHOST           = $(32BIT_QEMUHOST)
 191 arm64_QEMUHOST           = $(64BIT_QEMUHOST)
 192 i386_QEMUHOST            = $(32BIT_QEMUHOST)
 193 amd64_QEMUHOST           = $(64BIT_QEMUHOST)
 194
 195 ## Which distribution of Qemu to use.
 196 CONFIG_VARS             += $(foreach d,$(DISTS),$d_QEMUDIST)
 197 stretch_QEMUDIST         = buster
 198
 199 ## Qemu architecture names.  These tell us which Qemu binary to use for a
 200 ## particular Debian architecture.
 201 CONFIG_VARS             += $(foreach a,$(FOREIGN_ARCHS),$a_QEMUARCH)
 202 armel_QEMUARCH           = arm
 203 armhf_QEMUARCH           = arm
 204 arm64_QEMUARCH           = aarch64
 205 i386_QEMUARCH            = i386
 206 amd64_QEMUARCH           = x86_64
 207
 208 ## Alias mapping for chroots.
 209 CONFIG_VARS             += $(foreach d,$(DISTS),$d_ALIASES)
 210 stretch_ALIASES          = oldstable
 211 buster_ALIASES           = stable
 212 bullseye_ALIASES         = testing
 213 sid_ALIASES              = unstable
 214
 215 ## Which host architecture to use for commonly used tools in foreign chroots.
 216 CONFIG_VARS             += TOOLSARCH
 217 TOOLSARCH                = $(MYARCH)
 218
 219 ## A directory in which we can maintain private files and state.
 220 CONFIG_VARS             += STATE
 221 STATE                    = state
 222 help::;  @echo "        STATE           directory for state files"
 223
 224 ## A directory which will be spliced into chroots as `/usr/local.schroot/'.
 225 ## This will be our primary point of contact with the chroot.
 226 CONFIG_VARS             += LOCAL ABSLOCAL
 227 LOCAL                    = local.schroot
 228 ABSLOCAL                 = $(abspath $(LOCAL))
 229 help::;  @echo "        LOCAL           directory for chroot /usr/local"
 230
 231 ## How to run a command as a privileged user.
 232 CONFIG_VARS             += ROOTLY
 233 ROOTLY                   = sudo
 234
 235 ## Files to be copied into a chroot from the host.
 236 SCHROOT_COPYFILES        = /etc/resolv.conf
 237 SCHROOT_NSSDATABASES     = passwd shadow group gshadow
 238
 239 ## Local configuration hook.
 240 -include local.mk
 241
 242 ## All chroot names.
 243 CONFIG_VARS             += ALL_ARCHS ALL_CHROOTS
 244 ALL_ARCHS                = $(NATIVE_ARCHS) $(FOREIGN_ARCHS)
 245 ALL_CHROOTS              = $(NATIVE_CHROOTS) $(FOREIGN_CHROOTS)
 246
 247 ## GNU names for foreign architectures.
 248 CONFIG_VARS             += FOREIGN_GNUARCHS
 249 FOREIGN_GNUARCHS        := $(foreach a,$(FOREIGN_ARCHS),\
 250                                 $(shell dpkg-architecture -A$a \
 251                                         -qDEB_TARGET_GNU_TYPE))
 252
 253 ###--------------------------------------------------------------------------
 254 ### Basic help.
 255
 256 help::
 257         @echo  "Basic targets" && \
 258         echo   "        all             build and install the infrastructure" && \
 259         echo   "        clean           delete build files" && \
 260         echo   "        check           verify correct installation"
 261
 262 ###--------------------------------------------------------------------------
 263 ### Utilities.
 264
 265 ## Hack to force rebuilding.
 266 _force:
 267 .PHONY: _force
 268
 269 ## Hack to not delimit function arguments.  (Ugh!)
 270 comma                    = ,
 271
 272 ## Silent-rules machinery.
 273 V_AT                     = $(V_AT_$V)
 274 V_AT_0                   = @
 275 v_print                  = $(call v_print_$V,$1,$2)
 276 v_print_0                = printf "  %-8s %s\n" "$1" $(call squote,$2);
 277 v_tag                    = $(V_AT)$(call v_print,$1,$@)
 278 v_log                    = $(call v_log_$V,$1,$2)
 279 v_log_                   = $(call v_log_1,$1,$2)
 280 v_log_0                  = $2 >log/$1.log 2>&1
 281 v_log_1                  = $(call catchrc,$(call throwrc,$2) 2>&1 | tee log/$1.log)
 282 v_echo                   = $(call v_echo_$V,$1)
 283 v_echo_0                 = :
 284 v_echo_1                 = printf "%s\n" $1
 285 CLEANFILES              += log/*.log
 286
 287 ## Oh, shut up.
 288 SILENCE_LVM              = \
 289         LVM_SUPPRESS_FD_WARNINGS=1; export LVM_SUPPRESS_FD_WARNINGS
 290
 291 ##      $(call file-name,PATH)
 292 ##
 293 ## Strip any trailing `/' from the PATH.
 294 file-name                = $(1:/=)
 295
 296 ##      $(call base-name,PATH)
 297 ##
 298 ## Expand to the last component of PATH, whether or not it's a directory
 299 ## name with a trailing `/'.
 300 base-name                = $(notdir $(call file-name,$1))
 301
 302 ##      $(call parent-dir,PATH)
 303 ##
 304 ## Expand to the parent directory of PATH, whether or not it's a directory
 305 ## name with a trailing `/'.
 306 ## `/'.
 307 parent-dir               = $(dir $(call file-name,$1))
 308
 309 ##      $(call definedp,VAR)
 310 ##
 311 ## Expand non-empty if and only if VAR is defined (but possibly empty).
 312 definedp                 = $(filter-out undefined,$(origin $1))
 313
 314 ##      $(call catchrc,...$(call throwrc,CMD)...)
 315 ##
 316 ## Catch the exit status of some subpart of a complicated shell rune.
 317 catchrc                  = (exec 3>&1; exit $$({ $1; } 4>&1 >&3 3>&-))
 318 throwrc                  = { $1; echo $$? >&4; }
 319
 320 ##      $(call squote,TXT)
 321 ##
 322 ## Single-quote TXT.
 323 squote                   = '$(subst ','\'',$1)'
 324 #'
 325
 326 ##      $(call chroot-dist,D-A) -> D
 327 ##      $(call chroot-arch,D-A) -> A
 328 ##
 329 ## Parse chroot descriptions.
 330 chroot-dist              = $(patsubst %/,%,$(dir $(subst -,/,$1)))
 331 chroot-arch              = $(notdir $(subst -,/,$1))
 332
 333 ##      $(call package-dir-name,P-V) -> P
 334 ##      $(call package-dir-version,P-V) -> V
 335 ##
 336 ## Parse (source) package directory names.
 337 package-dir-name         = $(sort $(foreach p,$(LOCALPKGS),$(if $(filter $p-$($p_VERSION),$1),$p)))
 338 package-dir-version      = $($(call package-dir-name,$1)_VERSION)
 339
 340 ##      $(call package-dir,P-V.A) -> P-V
 341 ##      $(call package-name,P-V.A) -> P
 342 ##      $(call package-version,P-V.A) -> V
 343 ##      $(call package-arch,P-V.A) -> A
 344 ##
 345 ## Parse package stamp names.
 346 package-dir              = $(basename $1)
 347 package-name             = $(call package-dir-name,$(call package-dir,$1))
 348 package-version          = $(call package-dir-version,$(call package-dir,$1))
 349 package-arch             = $(patsubst .%,%,$(suffix $1))
 350
 351 ##      $(call native-chroot-p,D-A) -> D | <empty>
 352 ##
 353 ## Answer whether D-A is a native chroot.
 354 native-chroot-p          = $(filter $(call chroot-arch,$1),$(NATIVE_ARCHS))
 355
 356 ##      $(call chroot-qemuhost,D-A) -> AA
 357 ##
 358 ## Answer the apporopriate Qemu host architecture for foreign chroot D-A.
 359 chroot-qemuhost          = $($(call chroot-arch,$1)_QEMUHOST)
 360
 361 ##      $(call chroot-deps,PRE,D-A) -> PREDD-AA ... | <empty>
 362 ##
 363 ## Answer a list of additional dependencies for the chroot D-A: specifically,
 364 ## if D-A is foreign then include PRE/DD-AA entries for the tools
 365 ## architecture, and Qemu host architecture (if that's different).
 366 chroot-deps              = $(if $(call native-chroot-p,$2),, \
 367                                 $(addprefix $1$(call chroot-dist,$2)-,\
 368                                         $(sort $(TOOLSARCH) \
 369                                                $(call chroot-qemuhost,$2))))
 370
 371 ## Substituting placeholders in files.
 372 SUBSTITUTIONS           := local=$(shell realpath $(LOCAL))
 373 SUBSTITUTIONS           += primary-dist=$(PRIMARY_DIST)
 374 subst-file               = { \
 375         echo "$1 GENERATED by distorted-chroot: do not edit"; \
 376         substs=""; \
 377         for v in $(SUBSTITUTIONS); do \
 378           var=$${v%%=*} value=$${v\#*=}; \
 379           substs="$$substs s\a@$$var@\a$$value\ag;"; \
 380         done; \
 381         sed "$$substs"; \
 382 }
 383
 384 ###     $(call symlink-ok-p,LINK,DEST)
 385 ###
 386 ### Expand to `t' if LINK is a symbolic link to DEST, and empty otherwise.
 387 symlink-ok-p             = $(shell \
 388         case $$(readlink 2>/dev/null $(patsubst %/,%,$1)) in ($2) echo t ;; esac)
 389
 390 ###     $(call general-notify,SEV,COLOUR,PREFIX,MSG)
 391 ###
 392 ### Report a message, highlighted in the right way, and maybe fail
 393 general-notify           = { \
 394         echo "$$(tput bold; tput setaf $2)$3 "$4"$$(tput sgr0; tput op)"; \
 395         if [ "$1" -le "$(NOTIFY_FATAL)" ]; then exit 2; fi; \
 396 }
 397
 398 ###     $(call report/SEV,MSG)
 399 ###
 400 ### Report a notification of a particular severity.
 401 notify/INFO              = $(call general-notify,3,6,---,$1)
 402 notify/WARN              = $(call general-notify,2,5,???,$1)
 403 notify/ERR               = $(call general-notify,1,1,!!!,$1)
 404
 405 ##      $(call check,SEV,MSG,UNLESS)
 406 ##
 407 ## If UNLESS completes successfully, all is OK; otherwise print MSG to stderr
 408 ## and fail.
 409 check                    = @{ \
 410         $(call v_echo,'check: '$(call squote,$3)''); \
 411         if ! { $3; }; then $(call notify/$1,$2); fi; \
 412 }
 413
 414 ##      $(call check-executable,SEV,PATH)
 415 ##
 416 ## Verify that PATH is an executable program.
 417 check-executable         = $(call check,$1,"\`$2' is not an executable", \
 418         [ -x "$2" ])
 419
 420 ##      $(call check-mountpoint,SEV,DIR)
 421 ##
 422 ## Verify that DIR is a mountpoint.
 423 check-mountpoint         = $(call check,$1,"\`$2' is not a mount point", \
 424         mountpoint -q "$2")
 425
 426 ##      $(call check-symlink,SEV,LINK,DEST)
 427 ##
 428 ## Verify that LINK is a symbolic link pointing to DEST.
 429 check-symlink            = $(call check,$1,"\`$2' is not a link to \`$3'", \
 430         [ -L "$2" ] && [ "$$(readlink "$2")" = "$3" ])
 431
 432 ##      DIR/
 433 ##
 434 ## Make a directory.  Use as an order-only dependency.
 435 %/:; $(V_AT)mkdir -p $@
 436
 437 ###--------------------------------------------------------------------------
 438 ### Python extensions.
 439
 440 CC                       = gcc
 441 CFLAGS                   = -O2 -g -Wall
 442
 443 LD                       = $(CC)
 444 LDFLAGS                  =
 445
 446 c-source                 = $(foreach c,$1,src/$c)
 447 c-object                 = $(foreach c,$1,$(STATE)/obj/$(basename $c).o)
 448
 449 PYEXT_PKGFLAGS          := $(shell pkg-config --cflags python2)
 450 PYEXT_CFLAGS             = -fPIC -fno-strict-aliasing $(PYEXT_PKGFLAGS)
 451 PYEXT_LDFLAGS            = -shared
 452
 453 PYEXTS                  += jobclient
 454 jobclient_SOURCES        = jobclient.c
 455
 456 PYEXT_ALLSRC             = $(foreach x,$(PYEXTS),\
 457                                 $(call c-source,$($x_SOURCES)))
 458 PYEXT_ALLOBJ             = $(foreach x,$(PYEXTS),\
 459                                 $(call c-object,$($x_SOURCES)))
 460 $(PYEXT_ALLOBJ): $(STATE)/obj/%.o: src/%.c | $$(dir $$@)
 461         $(call v_tag,CC)$(CC) -c $(CFLAGS) $(PYEXT_CFLAGS) -o$@ $<
 462
 463 PYMODULES                = $(foreach x,$(PYEXTS),$(STATE)/lib/python/$x.so)
 464 all: $(PYMODULES)
 465 $(PYMODULES): $(STATE)/lib/python/%.so: \
 466                 $$(call c-object,$$($$*_SOURCES)) | $$(dir $$@)
 467         $(call v_tag,LD)$(LD) $(LDFLAGS) $(PYEXT_LDFLAGS) -o$@ $^
 468
 469 ###--------------------------------------------------------------------------
 470 ### Scripts.
 471
 472 SCRIPTS                 += chroot-maint
 473 SCRIPTS                 += mkchrootconf
 474
 475 SUBST_SCRIPTS            = $(addprefix $(STATE)/bin/,$(SCRIPTS))
 476 all: $(SUBST_SCRIPTS)
 477 $(SUBST_SCRIPTS): $(STATE)/bin/%: bin/% $(STATE)/config.sh | $$(dir $$@)
 478         $(call v_tag,SUBST){ \
 479                 sed \
 480                 -e '2i### GENERATED by distorted-chroot: do not edit' \
 481                 -e '/@@@config@@@/ {' \
 482                         -e 'r $(STATE)/config.sh' \
 483                         -e 'd'\
 484                 -e '}' $<; \
 485         } >$@.new && chmod +x $@.new && mv $@.new $@
 486
 487 ###--------------------------------------------------------------------------
 488 ### APT configuration.
 489
 490 ## In a chroot, `/etc/apt/sources.list' links to
 491 ## `/usr/local.schroot/etc/apt/sources.$d' for the appropriate distribution.
 492 APT_SOURCES              = $(foreach d,$(DISTS),$(LOCAL)/etc/apt/sources.$d)
 493 all: $(APT_SOURCES)
 494
 495 $(foreach d,$(DISTS),$(STATE)/etc/apt/aptsrc.$d): \
 496                 $(STATE)/etc/apt/aptsrc.%: | $$(dir $$@)
 497         $(call v_tag,GEN){ \
 498           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 499           echo "subscribe"; \
 500           echo "        debian : $*"; \
 501         } >$@.new && mv $@.new $@
 502
 503 $(APT_SOURCES): $(LOCAL)/etc/apt/sources.%: \
 504                 $$(APTSRC) $$($$*_APTSRC) $$(STATE)/etc/apt/aptsrc.$$* \
 505                 | $$(dir $$@)
 506         $(call v_tag,GEN)bin/mkaptsrc \
 507                 $(APTSRC) $($*_APTSRC) $(STATE)/etc/apt/aptsrc.$* \
 508                 >$@.new && mv $@.new $@
 509 CLEANFILES              += $(APT_SOURCES)
 510
 511 ## In a chroot, a link `/etc/apt/apt.conf.d/FOO' is created for each file in
 512 ## `/usr/local.schroot/etc/apt/apt.conf.d/FOO'.
 513 APT_CONFIGS            = $(addprefix $(LOCAL)/etc/apt/apt.conf.d/,$(APTCONF))
 514 all: $(APT_CONFIGS)
 515 $(APT_CONFIGS): $(LOCAL)/etc/apt/apt.conf.d/%: \
 516                 $$(or $$(_$$*_APTCONFSRC) etc/apt-conf.d/$$*) | $$(dir $$@)
 517         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 518 clean::; rm -f $(APT_CONFIGS)
 519
 520 ###--------------------------------------------------------------------------
 521 ### Build hacks.
 522
 523 check::; $(call check-executable,ERR,/usr/bin/eatmydata)
 524
 525 EATMYDATA_HACKS         += apt-get aptitude dpkg
 526 SYMLINK_EATMYDATA_HACKS  = $(addprefix $(LOCAL)/hacks/,$(EATMYDATA_HACKS))
 527 all: $(SYMLINK_EATMYDATA_HACKS)
 528 $(SYMLINK_EATMYDATA_HACKS): $(LOCAL)/hacks/%: \
 529                 $$(if $$(call symlink-ok-p,$$@,/usr/bin/eatmydata),,_force) \
 530                 | $$(dir $$@)
 531         $(call v_tag,SYMLINK)ln -sf /usr/bin/eatmydata $@.new && mv $@.new $@
 532 clean::; rm -f $(SYMLINK_EATMYDATA_HACKS)
 533
 534 SCRIPT_HACKS            += buildwrap
 535 COPY_SCRIPT_HACKS        = $(addprefix $(LOCAL)/hacks/,$(SCRIPT_HACKS))
 536 all: $(COPY_SCRIPT_HACKS)
 537 $(COPY_SCRIPT_HACKS): $(LOCAL)/hacks/%: bin/% | $$(dir $$@)
 538         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 539 clean::; rm -f $(COPY_SCRIPT_HACKS)
 540
 541 ###--------------------------------------------------------------------------
 542 ### `schroot' and `sbuild' configuration.
 543
 544 all: schroot-config
 545 schroot-config:
 546 .PHONY: schroot-config
 547
 548 check::; $(call check-mountpoint,WARN,/var/lib/sbuild/build)
 549 check::; $(call check-symlink,WARN,/build,/var/lib/sbuild/build)
 550 check::; $(call check-symlink,ERR,/schroot,/run/schroot/mount)
 551
 552 %print-varlist           = { \
 553         echo "\#\#\# -*-sh-*- GENERATED by distorted-chroot: do not edit"; \
 554         $(foreach v,$1,$(if $(call definedp,$v),\
 555                 echo $v=\'$(call squote,$($v))\';)) \
 556 }
 557 schroot-config_HASH     := \
 558         $(shell $(call %print-varlist,$(CONFIG_VARS)) | \
 559                 sha256sum | cut -c1-32)
 560 schroot-config_FILE      = $(STATE)/config.sh-$(schroot-config_HASH)
 561 $(schroot-config_FILE): | $(STATE)/
 562         $(V_AT)rm -f $(STATE)/config.sh-*
 563         $(call v_tag,GEN)$(call %print-varlist,$(CONFIG_VARS)) \
 564                 >$@.new && mv $@.new $@
 565
 566 schroot-config: $(STATE)/config.sh
 567 $(STATE)/config.sh: $(schroot-config_FILE)
 568         $(call v_tag,SYMLINK)ln -sf $(call base-name,$<) $@
 569
 570 schroot-config: $(LOCAL)/etc/schroot/sbuild.schroot
 571 $(LOCAL)/etc/schroot/sbuild.schroot: $(STATE)/bin/mkchrootconf | $$(dir $$@)
 572         $(call v_tag,GEN)$(STATE)/bin/mkchrootconf >$@.new && \
 573                 $(ROOTLY) chown root:root $@.new && mv $@.new $@
 574 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.schroot
 575 check::; $(call check-symlink,WARN,/etc/schroot/chroot.d/sbuild,$(ABSLOCAL)/etc/schroot/sbuild.schroot)
 576
 577 schroot-config: $(LOCAL)/etc/schroot/sbuild.profile/copyfiles
 578 $(LOCAL)/etc/schroot/sbuild.profile/copyfiles: \
 579                 $(schroot-config_STAMP) | $$(dir $$@)
 580         $(call v_tag,GEN){ \
 581           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 582           for i in $(SCHROOT_COPYFILES); do echo "$$i"; done; \
 583         } >$@.new && mv $@.new $@
 584 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/copyfiles
 585
 586 schroot-config: $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases
 587 $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases: \
 588                 $(schroot-config_STAMP) | $$(dir $$@)
 589         $(call v_tag,GEN){ \
 590           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 591           for i in $(SCHROOT_NSSDATABASES); do echo "$$i"; done; \
 592         } >$@.new && mv $@.new $@
 593 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases
 594
 595 schroot-config: $(LOCAL)/etc/schroot/sbuild.profile/fstab
 596 $(LOCAL)/etc/schroot/sbuild.profile/fstab: \
 597                 etc/sbuild.fstab.in $(schroot-config_STAMP) | $$(dir $$@)
 598         $(call v_tag,SUBST)$(call subst-file,### -*-conf-*-) \
 599                 <$< >$@.new && mv $@.new $@
 600 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/fstab
 601
 602 check::; $(call check-symlink,WARN,/etc/schroot/sbuild,$(ABSLOCAL)/etc/schroot/sbuild.profile)
 603
 604 schroot-config: $(LOCAL)/etc/sbuild.conf
 605 $(LOCAL)/etc/sbuild.conf: etc/sbuild.conf.in \
 606                 $(schroot-config_STAMP) | $$(dir $$@)
 607         $(call v_tag,SUBST)$(call subst-file,### -*-perl-*-) \
 608                 <$< >$@.new && mv $@.new $@
 609 CLEANFILES              += $(LOCAL)/etc/sbuild.conf
 610 check::; $(call check-symlink,WARN,/etc/sbuild/sbuild.conf,$(ABSLOCAL)/etc/sbuild.conf)
 611 check::; $(call check-executable,WARN,/usr/local.schroot/hacks/apt-get)
 612
 613 SCHROOT_SCRIPTS         += 11private
 614 SCHROOT_SCRIPTS         += 15binfmt
 615 SCHROOT_SCRIPTS         += 51chrootenv
 616 COPY_SCHROOT_SCRIPTS     = $(addprefix $(LOCAL)/etc/schroot/setup.d/,$(SCHROOT_SCRIPTS))
 617 schroot-config: $(COPY_SCHROOT_SCRIPTS)
 618 $(COPY_SCHROOT_SCRIPTS): \
 619                 $(LOCAL)/etc/schroot/setup.d/%: etc/schroot-scripts/% \
 620                 | $$(dir $$@)
 621         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 622 CLEANFILES              += $(COPY_SCHROOT_SCRIPTS)
 623
 624 CHECK_SCHROOT_SCRIPTS    = $(addprefix check-script/,$(SCHROOT_SCRIPTS))
 625 check:: $(CHECK_SCHROOT_SCRIPTS)
 626 $(CHECK_SCHROOT_SCRIPTS): check-script/%:
 627         $(call check-symlink,WARN,/etc/schroot/setup.d/$*,$(ABSLOCAL)/etc/schroot/setup.d/$*)
 628 .PHONY: $(addprefix check-script/,$(SCHROOT_SCRIPTS))
 629
 630 ###--------------------------------------------------------------------------
 631 ### Ccache setup.
 632
 633 CCACHE_CONFIGS           = $(foreach r,$(ALL_CHROOTS), \
 634         /var/lib/sbuild/build/.ccache/$(LVPREFIX)$r/ccache.conf)
 635 all: $(CCACHE_CONFIGS)
 636 $(CCACHE_CONFIGS): /var/lib/sbuild/build/.ccache/$(LVPREFIX)%/ccache.conf: \
 637                 etc/ccache.conf | $$(dir $$@)
 638         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 639
 640 ###--------------------------------------------------------------------------
 641 ### `/usr/local/' structure.
 642
 643 LOCAL_COMMON_DIRS        = share/ src/
 644 LOCAL_EXTRA_DIRS         = share/man/
 645 all: $(foreach d,$(LOCAL_COMMON_DIRS) $(LOCAL_EXTRA_DIRS),$(LOCAL)/$d)
 646
 647 LOCAL_ARCH_DIRS          = bin/ etc/ games/ include/ include.aside/
 648 LOCAL_ARCH_DIRS         += lib/ libexec/ sbin/
 649 LOCAL_ARCH_LINKS         = man
 650 man_LINKDEST             = share/man
 651 all: $(foreach a,$(ALL_ARCHS),\
 652         $(LOCAL)/$a/ \
 653         $(foreach d,$(LOCAL_ARCH_DIRS),$(LOCAL)/$a/$d) \
 654         $(foreach d,$(LOCAL_ARCH_LINKS),$(LOCAL)/$a/$d) \
 655         $(foreach d,$(LOCAL_COMMON_DIRS),$(LOCAL)/$a/$d))
 656
 657 $(foreach a,$(ALL_ARCHS),\
 658   $(foreach d,$(LOCAL_ARCH_LINKS),$(LOCAL)/$a/$d)): \
 659                 $$(if $$(call symlink-ok-p,$$@,$$($$(call base-name,$$@)_LINKDEST)),,_force) \
 660                 | $$(dir $$@)
 661         $(call v_tag,SYMLINK)ln -sf $($(call base-name,$@)_LINKDEST) $@
 662 $(foreach a,$(ALL_ARCHS),\
 663   $(foreach d,$(LOCAL_COMMON_DIRS),$(LOCAL)/$a/$d)): \
 664                 $$(if $$(call symlink-ok-p,$$@,../$$(call base-name,$$@)),,_force) \
 665                 | $$(call parent-dir,$$@)
 666         $(call v_tag,SYMLINK)ln -sf ../$(call base-name,$@) $(call file-name,$@)
 667
 668 ###--------------------------------------------------------------------------
 669 ### Main chroot maintenance.
 670
 671 OPTS                     =
 672 FRESH                    = 1w
 673 JOBS                     = chroot cross-tools pkg-build
 674
 675 MAINTQ_                  = -q
 676 MAINTQ_0                 = -q
 677 MAINT                    = +$(call v_tag,MAINT)\
 678         PYTHONPATH=$(STATE)/lib/python $(STATE)/bin/chroot-maint \
 679                 $(MAINTQ_$V) $(OPTS)
 680
 681 maint: all check
 682         $(MAINT) -f$(FRESH) $(JOBS)
 683 .PHONY: maint
 684
 685 help::
 686         @echo  "Maintenance targets" && \
 687         echo   "        maint           run chroot maintenance" && \
 688         echo   "Maintenance variables" && \
 689         echo   "        FRESH           max time between updates" && \
 690         echo   "                                N[smhdw] | create | force" && \
 691         echo   "        JOBS            maintenance jobs to run" && \
 692         echo   "                                ACT[.PAT,...][/FRESH]" && \
 693         echo   "        OPTS            additional options (bin/chroot-maint --help)" && \
 694         echo   "Maintenance actions" && \
 695         echo   "        chroot          create and populate chroot" && \
 696         echo   "        cross-tools     build cross-compilation toolchains" && \
 697         echo   "        pkg-source      download and unpack local utilities" && \
 698         echo   "        pkg-build       compile and install local utilities"
 699
 700 ###--------------------------------------------------------------------------
 701 ### Running random commands.
 702
 703 CMD                      = echo %d %a
 704 subst-command            = $(subst %d,$(call chroot-dist,$1), \
 705                                 $(subst %a,$(call chroot-arch,$1), \
 706                                         $(subst %r,$1, $(CMD))))
 707
 708 run: $(foreach c,$(ALL_CHROOTS),run/$c)
 709 $(foreach c,$(ALL_CHROOTS),run/$c): run/%:
 710         $(V_AT)$(call v_print,RUN,$(call subst-command,$*))\
 711                 $(call subst-command,$*)
 712
 713 ###--------------------------------------------------------------------------
 714 ### Other maintenance targets.
 715
 716 show:; : $x
 717
 718 clean::
 719         rm -f $(CLEANFILES)
 720         rm -rf $(STATE)
 721
 722 realclean:: clean
 723         rm -rf $(LOCAL)
 724
 725 ###----- That's all, folks --------------------------------------------------