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 bookworm 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                 /usr/$a/include/c++)
 160
 161 ## Local packages to be compiled and installed in chroots.  Archives can be
 162 ## found in `pkg/'.
 163 CONFIG_VARS             += LOCALPKGS $(foreach p,$(LOCALPKGS),$p_DEPS)
 164 LOCALPKGS                = mLib checkpath
 165 mLib_DEPS                =
 166 checkpath_DEPS           = mLib
 167
 168 ## Which host architecture to use for foreign architectures.  It turns out
 169 ## that it's best to use a Qemu with the same host bitness as the target
 170 ## architecture; otherwise it has to do a difficult job of converting
 171 ## arguments and results between kernel ABI flavours.
 172 32BIT_QEMUHOST           = $(or $(filter i386,$(NATIVE_ARCHS)),$(TOOLSARCH))
 173 64BIT_QEMUHOST           = $(or $(filter amd64,$(NATIVE_ARCHS)),$(TOOLSARCH))
 174
 175 CONFIG_VARS             += $(foreach a,$(FOREIGN_ARCHS),$a_QEMUHOST)
 176 armel_QEMUHOST           = $(32BIT_QEMUHOST)
 177 armhf_QEMUHOST           = $(32BIT_QEMUHOST)
 178 arm64_QEMUHOST           = $(64BIT_QEMUHOST)
 179 i386_QEMUHOST            = $(32BIT_QEMUHOST)
 180 amd64_QEMUHOST           = $(64BIT_QEMUHOST)
 181
 182 ## Which distribution of Qemu to use.
 183 CONFIG_VARS             += $(foreach d,$(DISTS),$d_QEMUDIST)
 184 stretch_QEMUDIST         = buster
 185
 186 ## Qemu architecture names.  These tell us which Qemu binary to use for a
 187 ## particular Debian architecture.
 188 CONFIG_VARS             += $(foreach a,$(FOREIGN_ARCHS),$a_QEMUARCH)
 189 armel_QEMUARCH           = arm
 190 armhf_QEMUARCH           = arm
 191 arm64_QEMUARCH           = aarch64
 192 i386_QEMUARCH            = i386
 193 amd64_QEMUARCH           = x86_64
 194
 195 ## Alias mapping for chroots.
 196 CONFIG_VARS             += $(foreach d,$(DISTS),$d_ALIASES)
 197 stretch_ALIASES          = oldstable
 198 buster_ALIASES           = stable
 199 bullseye_ALIASES         = testing
 200 sid_ALIASES              = unstable
 201
 202 ## Which host architecture to use for commonly used tools in foreign chroots.
 203 CONFIG_VARS             += TOOLSARCH
 204 TOOLSARCH                = $(MYARCH)
 205
 206 ## A directory in which we can maintain private files and state.
 207 CONFIG_VARS             += STATE
 208 STATE                    = state
 209
 210 ## A directory which will be spliced into chroots as `/usr/local.schroot/'.
 211 ## This will be our primary point of contact with the chroot.
 212 CONFIG_VARS             += LOCAL ABSLOCAL
 213 LOCAL                    = local.schroot
 214 ABSLOCAL                 = $(abspath $(LOCAL))
 215
 216 ## How to run a command as a privileged user.
 217 CONFIG_VARS             += ROOTLY
 218 ROOTLY                   = sudo
 219
 220 ## Files to be copied into a chroot from the host.
 221 SCHROOT_COPYFILES        = /etc/resolv.conf
 222 SCHROOT_NSSDATABASES     = passwd shadow group gshadow
 223
 224 ## Local configuration hook.
 225 -include local.mk
 226
 227 ## All chroot names.
 228 CONFIG_VARS             += ALL_ARCHS ALL_CHROOTS
 229 ALL_ARCHS                = $(NATIVE_ARCHS) $(FOREIGN_ARCHS)
 230 ALL_CHROOTS              = $(NATIVE_CHROOTS) $(FOREIGN_CHROOTS)
 231
 232 ## GNU names for foreign architectures.
 233 CONFIG_VARS             += FOREIGN_GNUARCHS
 234 FOREIGN_GNUARCHS        := $(foreach a,$(FOREIGN_ARCHS),\
 235                                 $(shell dpkg-architecture -A$a \
 236                                         -qDEB_TARGET_GNU_TYPE))
 237
 238 ###--------------------------------------------------------------------------
 239 ### Utilities.
 240
 241 ## Hack to force rebuilding.
 242 _force:
 243 .PHONY: _force
 244
 245 ## Hack to not delimit function arguments.  (Ugh!)
 246 comma                    = ,
 247
 248 ## Silent-rules machinery.
 249 V                        = 0
 250 V_AT                     = $(V_AT_$V)
 251 V_AT_0                   = @
 252 v_print                  = $(call v_print_$V,$1,$2)
 253 v_print_0                = printf "  %-8s %s\n" "$1" $(call squote,$2);
 254 v_tag                    = $(V_AT)$(call v_print,$1,$@)
 255 v_log                    = $(call v_log_$V,$1,$2)
 256 v_log_                   = $(call v_log_1,$1,$2)
 257 v_log_0                  = $2 >log/$1.log 2>&1
 258 v_log_1                  = $(call catchrc,$(call throwrc,$2) 2>&1 | tee log/$1.log)
 259 v_echo                   = $(call v_echo_$V,$1)
 260 v_echo_0                 = :
 261 v_echo_1                 = printf "%s\n" $1
 262 CLEANFILES              += log/*.log
 263
 264 ## Oh, shut up.
 265 SILENCE_LVM              = \
 266         LVM_SUPPRESS_FD_WARNINGS=1; export LVM_SUPPRESS_FD_WARNINGS
 267
 268 ##      $(call file-name,PATH)
 269 ##
 270 ## Strip any trailing `/' from the PATH.
 271 file-name                = $(1:/=)
 272
 273 ##      $(call base-name,PATH)
 274 ##
 275 ## Expand to the last component of PATH, whether or not it's a directory
 276 ## name with a trailing `/'.
 277 base-name                = $(notdir $(call file-name,$1))
 278
 279 ##      $(call parent-dir,PATH)
 280 ##
 281 ## Expand to the parent directory of PATH, whether or not it's a directory
 282 ## name with a trailing `/'.
 283 ## `/'.
 284 parent-dir               = $(dir $(call file-name,$1))
 285
 286 ##      $(call definedp,VAR)
 287 ##
 288 ## Expand non-empty if and only if VAR is defined (but possibly empty).
 289 definedp                 = $(filter-out undefined,$(origin $1))
 290
 291 ##      $(call catchrc,...$(call throwrc,CMD)...)
 292 ##
 293 ## Catch the exit status of some subpart of a complicated shell rune.
 294 catchrc                  = (exec 3>&1; exit $$({ $1; } 4>&1 >&3 3>&-))
 295 throwrc                  = { $1; echo $$? >&4; }
 296
 297 ##      $(call squote,TXT)
 298 ##
 299 ## Single-quote TXT.
 300 squote                   = '$(subst ','\'',$1)'
 301 #'
 302
 303 ##      $(call chroot-dist,D-A) -> D
 304 ##      $(call chroot-arch,D-A) -> A
 305 ##
 306 ## Parse chroot descriptions.
 307 chroot-dist              = $(patsubst %/,%,$(dir $(subst -,/,$1)))
 308 chroot-arch              = $(notdir $(subst -,/,$1))
 309
 310 ##      $(call package-dir-name,P-V) -> P
 311 ##      $(call package-dir-version,P-V) -> V
 312 ##
 313 ## Parse (source) package directory names.
 314 package-dir-name         = $(sort $(foreach p,$(LOCALPKGS),$(if $(filter $p-$($p_VERSION),$1),$p)))
 315 package-dir-version      = $($(call package-dir-name,$1)_VERSION)
 316
 317 ##      $(call package-dir,P-V.A) -> P-V
 318 ##      $(call package-name,P-V.A) -> P
 319 ##      $(call package-version,P-V.A) -> V
 320 ##      $(call package-arch,P-V.A) -> A
 321 ##
 322 ## Parse package stamp names.
 323 package-dir              = $(basename $1)
 324 package-name             = $(call package-dir-name,$(call package-dir,$1))
 325 package-version          = $(call package-dir-version,$(call package-dir,$1))
 326 package-arch             = $(patsubst .%,%,$(suffix $1))
 327
 328 ##      $(call native-chroot-p,D-A) -> D | <empty>
 329 ##
 330 ## Answer whether D-A is a native chroot.
 331 native-chroot-p          = $(filter $(call chroot-arch,$1),$(NATIVE_ARCHS))
 332
 333 ##      $(call chroot-qemuhost,D-A) -> AA
 334 ##
 335 ## Answer the apporopriate Qemu host architecture for foreign chroot D-A.
 336 chroot-qemuhost          = $($(call chroot-arch,$1)_QEMUHOST)
 337
 338 ##      $(call chroot-deps,PRE,D-A) -> PREDD-AA ... | <empty>
 339 ##
 340 ## Answer a list of additional dependencies for the chroot D-A: specifically,
 341 ## if D-A is foreign then include PRE/DD-AA entries for the tools
 342 ## architecture, and Qemu host architecture (if that's different).
 343 chroot-deps              = $(if $(call native-chroot-p,$2),, \
 344                                 $(addprefix $1$(call chroot-dist,$2)-,\
 345                                         $(sort $(TOOLSARCH) \
 346                                                $(call chroot-qemuhost,$2))))
 347
 348 ## Substituting placeholders in files.
 349 SUBSTITUTIONS           := local=$(shell realpath $(LOCAL))
 350 SUBSTITUTIONS           += primary-dist=$(PRIMARY_DIST)
 351 subst-file               = { \
 352         echo "$1 GENERATED by distorted-chroot: do not edit"; \
 353         substs=""; \
 354         for v in $(SUBSTITUTIONS); do \
 355           var=$${v%%=*} value=$${v\#*=}; \
 356           substs="$$substs s\a@$$var@\a$$value\ag;"; \
 357         done; \
 358         sed "$$substs"; \
 359 }
 360
 361 ###     $(call symlink-ok-p,LINK,DEST)
 362 ###
 363 ### Expand to `t' if LINK is a symbolic link to DEST, and empty otherwise.
 364 symlink-ok-p             = $(shell \
 365         case $$(readlink 2>/dev/null $(patsubst %/,%,$1)) in ($2) echo t ;; esac)
 366
 367 ###     $(call general-notify,SEV,COLOUR,PREFIX,MSG)
 368 ###
 369 ### Report a message, highlighted in the right way, and maybe fail
 370 general-notify           = { \
 371         echo "$$(tput bold; tput setaf $2)$3 "$4"$$(tput sgr0; tput op)"; \
 372         if [ "$1" -le "$(NOTIFY_FATAL)" ]; then exit 2; fi; \
 373 }
 374
 375 ###     $(call report/SEV,MSG)
 376 ###
 377 ### Report a notification of a particular severity.
 378 notify/INFO              = $(call general-notify,3,6,---,$1)
 379 notify/WARN              = $(call general-notify,2,5,???,$1)
 380 notify/ERR               = $(call general-notify,1,1,!!!,$1)
 381
 382 ##      $(call check,SEV,MSG,UNLESS)
 383 ##
 384 ## If UNLESS completes successfully, all is OK; otherwise print MSG to stderr
 385 ## and fail.
 386 check                    = @{ \
 387         $(call v_echo,'check: '$(call squote,$3)''); \
 388         if ! { $3; }; then $(call notify/$1,$2); fi; \
 389 }
 390
 391 ##      $(call check-executable,SEV,PATH)
 392 ##
 393 ## Verify that PATH is an executable program.
 394 check-executable         = $(call check,$1,"\`$2' is not an executable", \
 395         [ -x "$2" ])
 396
 397 ##      $(call check-mountpoint,SEV,DIR)
 398 ##
 399 ## Verify that DIR is a mountpoint.
 400 check-mountpoint         = $(call check,$1,"\`$2' is not a mount point", \
 401         mountpoint -q "$2")
 402
 403 ##      $(call check-symlink,SEV,LINK,DEST)
 404 ##
 405 ## Verify that LINK is a symbolic link pointing to DEST.
 406 check-symlink            = $(call check,$1,"\`$2' is not a link to \`$3'", \
 407         [ -L "$2" ] && [ "$$(readlink "$2")" = "$3" ])
 408
 409 ##      DIR/
 410 ##
 411 ## Make a directory.  Use as an order-only dependency.
 412 %/:; $(V_AT)mkdir -p $@
 413
 414 ###--------------------------------------------------------------------------
 415 ### Python extensions.
 416
 417 CC                       = gcc
 418 CFLAGS                   = -O2 -g -Wall
 419
 420 LD                       = $(CC)
 421 LDFLAGS                  =
 422
 423 c-source                 = $(foreach c,$1,src/$c)
 424 c-object                 = $(foreach c,$1,$(STATE)/obj/$(basename $c).o)
 425
 426 PYEXT_PKGFLAGS          := $(shell pkg-config --cflags python2)
 427 PYEXT_CFLAGS             = -fPIC -fno-strict-aliasing $(PYEXT_PKGFLAGS)
 428 PYEXT_LDFLAGS            = -shared
 429
 430 PYEXTS                  += jobclient
 431 jobclient_SOURCES        = jobclient.c
 432
 433 PYEXT_ALLSRC             = $(foreach x,$(PYEXTS),\
 434                                 $(call c-source,$($x_SOURCES)))
 435 PYEXT_ALLOBJ             = $(foreach x,$(PYEXTS),\
 436                                 $(call c-object,$($x_SOURCES)))
 437 $(PYEXT_ALLOBJ): $(STATE)/obj/%.o: src/%.c | $$(dir $$@)
 438         $(call v_tag,CC)$(CC) -c $(CFLAGS) $(PYEXT_CFLAGS) -o$@ $<
 439
 440 PYMODULES                = $(foreach x,$(PYEXTS),$(STATE)/lib/python/$x.so)
 441 all: $(PYMODULES)
 442 $(PYMODULES): $(STATE)/lib/python/%.so: \
 443                 $$(call c-object,$$($$*_SOURCES)) | $$(dir $$@)
 444         $(call v_tag,LD)$(LD) $(LDFLAGS) $(PYEXT_LDFLAGS) -o$@ $^
 445
 446 ###--------------------------------------------------------------------------
 447 ### Scripts.
 448
 449 SCRIPTS                 += chroot-maint
 450 SCRIPTS                 += mkchrootconf
 451
 452 SUBST_SCRIPTS            = $(addprefix $(STATE)/bin/,$(SCRIPTS))
 453 all: $(SUBST_SCRIPTS)
 454 $(SUBST_SCRIPTS): $(STATE)/bin/%: bin/% $(STATE)/config.sh | $$(dir $$@)
 455         $(call v_tag,SUBST){ \
 456                 sed \
 457                 -e '2i### GENERATED by distorted-chroot: do not edit' \
 458                 -e '/@@@config@@@/ {' \
 459                         -e 'r $(STATE)/config.sh' \
 460                         -e 'd'\
 461                 -e '}' $<; \
 462         } >$@.new && chmod +x $@.new && mv $@.new $@
 463
 464 ###--------------------------------------------------------------------------
 465 ### APT configuration.
 466
 467 ## In a chroot, `/etc/apt/sources.list' links to
 468 ## `/usr/local.schroot/etc/apt/sources.$d' for the appropriate distribution.
 469 APT_SOURCES              = $(foreach d,$(DISTS),$(LOCAL)/etc/apt/sources.$d)
 470 all: $(APT_SOURCES)
 471
 472 $(foreach d,$(DISTS),$(STATE)/etc/apt/aptsrc.$d): \
 473                 $(STATE)/etc/apt/aptsrc.%: | $$(dir $$@)
 474         $(call v_tag,GEN){ \
 475           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 476           echo "subscribe"; \
 477           echo "        debian : $*"; \
 478         } >$@.new && mv $@.new $@
 479
 480 $(APT_SOURCES): $(LOCAL)/etc/apt/sources.%: \
 481                 $$(APTSRC) $$($$*_APTSRC) $$(STATE)/etc/apt/aptsrc.$$* \
 482                 | $$(dir $$@)
 483         $(call v_tag,GEN)bin/mkaptsrc \
 484                 $(APTSRC) $($*_APTSRC) $(STATE)/etc/apt/aptsrc.$* \
 485                 >$@.new && mv $@.new $@
 486 CLEANFILES              += $(APT_SOURCES)
 487
 488 ## In a chroot, a link `/etc/apt/apt.conf.d/FOO' is created for each file in
 489 ## `/usr/local.schroot/etc/apt/apt.conf.d/FOO'.
 490 APT_CONFIGS            = $(addprefix $(LOCAL)/etc/apt/apt.conf.d/,$(APTCONF))
 491 all: $(APT_CONFIGS)
 492 $(APT_CONFIGS): $(LOCAL)/etc/apt/apt.conf.d/%: \
 493                 $$(or $$(_$$*_APTCONFSRC) etc/apt-conf.d/$$*) | $$(dir $$@)
 494         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 495 clean::; rm -f $(APT_CONFIGS)
 496
 497 ###--------------------------------------------------------------------------
 498 ### Build hacks.
 499
 500 check::; $(call check-executable,ERR,/usr/bin/eatmydata)
 501
 502 EATMYDATA_HACKS         += apt-get aptitude dpkg
 503 SYMLINK_EATMYDATA_HACKS  = $(addprefix $(LOCAL)/hacks/,$(EATMYDATA_HACKS))
 504 all: $(SYMLINK_EATMYDATA_HACKS)
 505 $(SYMLINK_EATMYDATA_HACKS): $(LOCAL)/hacks/%: \
 506                 $$(if $$(call symlink-ok-p,$$@,/usr/bin/eatmydata),,_force) \
 507                 | $$(dir $$@)
 508         $(call v_tag,SYMLINK)ln -sf /usr/bin/eatmydata $@.new && mv $@.new $@
 509 clean::; rm -f $(SYMLINK_EATMYDATA_HACKS)
 510
 511 SCRIPT_HACKS            += buildwrap
 512 COPY_SCRIPT_HACKS        = $(addprefix $(LOCAL)/hacks/,$(SCRIPT_HACKS))
 513 all: $(COPY_SCRIPT_HACKS)
 514 $(COPY_SCRIPT_HACKS): $(LOCAL)/hacks/%: bin/% | $$(dir $$@)
 515         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 516 clean::; rm -f $(COPY_SCRIPT_HACKS)
 517
 518 ###--------------------------------------------------------------------------
 519 ### `schroot' and `sbuild' configuration.
 520
 521 all: schroot-config
 522 schroot-config:
 523 .PHONY: schroot-config
 524
 525 check::; $(call check-mountpoint,WARN,/var/lib/sbuild/build)
 526 check::; $(call check-symlink,WARN,/build,/var/lib/sbuild/build)
 527 check::; $(call check-symlink,ERR,/schroot,/run/schroot/mount)
 528
 529 %print-varlist           = { \
 530         echo "\#\#\# -*-sh-*- GENERATED by distorted-chroot: do not edit"; \
 531         $(foreach v,$1,$(if $(call definedp,$v),\
 532                 echo $v=\'$(call squote,$($v))\';)) \
 533 }
 534 schroot-config_HASH     := \
 535         $(shell $(call %print-varlist,$(CONFIG_VARS)) | \
 536                 sha256sum | cut -c1-32)
 537 schroot-config_FILE      = $(STATE)/config.sh-$(schroot-config_HASH)
 538 $(schroot-config_FILE): | $(STATE)/
 539         $(V_AT)rm -f $(STATE)/config.sh-*
 540         $(call v_tag,GEN)$(call %print-varlist,$(CONFIG_VARS)) \
 541                 >$@.new && mv $@.new $@
 542
 543 schroot-config: $(STATE)/config.sh
 544 $(STATE)/config.sh: $(schroot-config_FILE)
 545         $(call v_tag,SYMLINK)ln -sf $(call base-name,$<) $@
 546
 547 schroot-config: $(LOCAL)/etc/schroot/sbuild.schroot
 548 $(LOCAL)/etc/schroot/sbuild.schroot: $(STATE)/bin/mkchrootconf | $$(dir $$@)
 549         $(call v_tag,GEN)$(STATE)/bin/mkchrootconf >$@.new && \
 550                 $(ROOTLY) chown root:root $@.new && mv $@.new $@
 551 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.schroot
 552 check::; $(call check-symlink,WARN,/etc/schroot/chroot.d/sbuild,$(ABSLOCAL)/etc/schroot/sbuild.schroot)
 553
 554 schroot-config: $(LOCAL)/etc/schroot/sbuild.profile/copyfiles
 555 $(LOCAL)/etc/schroot/sbuild.profile/copyfiles: \
 556                 $(schroot-config_STAMP) | $$(dir $$@)
 557         $(call v_tag,GEN){ \
 558           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 559           for i in $(SCHROOT_COPYFILES); do echo "$$i"; done; \
 560         } >$@.new && mv $@.new $@
 561 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/copyfiles
 562
 563 schroot-config: $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases
 564 $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases: \
 565                 $(schroot-config_STAMP) | $$(dir $$@)
 566         $(call v_tag,GEN){ \
 567           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 568           for i in $(SCHROOT_NSSDATABASES); do echo "$$i"; done; \
 569         } >$@.new && mv $@.new $@
 570 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases
 571
 572 schroot-config: $(LOCAL)/etc/schroot/sbuild.profile/fstab
 573 $(LOCAL)/etc/schroot/sbuild.profile/fstab: \
 574                 etc/sbuild.fstab.in $(schroot-config_STAMP) | $$(dir $$@)
 575         $(call v_tag,SUBST)$(call subst-file,### -*-conf-*-) \
 576                 <$< >$@.new && mv $@.new $@
 577 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/fstab
 578
 579 check::; $(call check-symlink,WARN,/etc/schroot/sbuild,$(ABSLOCAL)/etc/schroot/sbuild.profile)
 580
 581 schroot-config: $(LOCAL)/etc/sbuild.conf
 582 $(LOCAL)/etc/sbuild.conf: etc/sbuild.conf.in \
 583                 $(schroot-config_STAMP) | $$(dir $$@)
 584         $(call v_tag,SUBST)$(call subst-file,### -*-perl-*-) \
 585                 <$< >$@.new && mv $@.new $@
 586 CLEANFILES              += $(LOCAL)/etc/sbuild.conf
 587 check::; $(call check-symlink,WARN,/etc/sbuild/sbuild.conf,$(ABSLOCAL)/etc/sbuild.conf)
 588 check::; $(call check-executable,WARN,/usr/local.schroot/hacks/apt-get)
 589
 590 SCHROOT_SCRIPTS         += 11private
 591 SCHROOT_SCRIPTS         += 15binfmt
 592 SCHROOT_SCRIPTS         += 51chrootenv
 593 COPY_SCHROOT_SCRIPTS     = $(addprefix $(LOCAL)/etc/schroot/setup.d/,$(SCHROOT_SCRIPTS))
 594 schroot-config: $(COPY_SCHROOT_SCRIPTS)
 595 $(COPY_SCHROOT_SCRIPTS): \
 596                 $(LOCAL)/etc/schroot/setup.d/%: etc/schroot-scripts/% \
 597                 | $$(dir $$@)
 598         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 599 CLEANFILES              += $(COPY_SCHROOT_SCRIPTS)
 600
 601 CHECK_SCHROOT_SCRIPTS    = $(addprefix check-script/,$(SCHROOT_SCRIPTS))
 602 check:: $(CHECK_SCHROOT_SCRIPTS)
 603 $(CHECK_SCHROOT_SCRIPTS): check-script/%:
 604         $(call check-symlink,WARN,/etc/schroot/setup.d/$*,$(ABSLOCAL)/etc/schroot/setup.d/$*)
 605 .PHONY: $(addprefix check-script/,$(SCHROOT_SCRIPTS))
 606
 607 ###--------------------------------------------------------------------------
 608 ### Ccache setup.
 609
 610 CCACHE_CONFIGS           = $(foreach r,$(ALL_CHROOTS), \
 611         /var/lib/sbuild/build/.ccache/$(LVPREFIX)$r/ccache.conf)
 612 all: $(CCACHE_CONFIGS)
 613 $(CCACHE_CONFIGS): /var/lib/sbuild/build/.ccache/$(LVPREFIX)%/ccache.conf: \
 614                 etc/ccache.conf | $$(dir $$@)
 615         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 616
 617 ###--------------------------------------------------------------------------
 618 ### `/usr/local/' structure.
 619
 620 LOCAL_COMMON_DIRS        = share/ src/
 621 LOCAL_EXTRA_DIRS         = share/man/
 622 all: $(foreach d,$(LOCAL_COMMON_DIRS) $(LOCAL_EXTRA_DIRS),$(LOCAL)/$d)
 623
 624 LOCAL_ARCH_DIRS          = bin/ etc/ games/ include/ include.aside/
 625 LOCAL_ARCH_DIRS         += lib/ libexec/ sbin/
 626 LOCAL_ARCH_LINKS         = man
 627 man_LINKDEST             = share/man
 628 all: $(foreach a,$(ALL_ARCHS),\
 629         $(LOCAL)/$a/ \
 630         $(foreach d,$(LOCAL_ARCH_DIRS),$(LOCAL)/$a/$d) \
 631         $(foreach d,$(LOCAL_ARCH_LINKS),$(LOCAL)/$a/$d) \
 632         $(foreach d,$(LOCAL_COMMON_DIRS),$(LOCAL)/$a/$d))
 633
 634 $(foreach a,$(ALL_ARCHS),\
 635   $(foreach d,$(LOCAL_ARCH_LINKS),$(LOCAL)/$a/$d)): \
 636                 $$(if $$(call symlink-ok-p,$$@,$$($$(call base-name,$$@)_LINKDEST)),,_force) \
 637                 | $$(dir $$@)
 638         $(call v_tag,SYMLINK)ln -sf $($(call base-name,$@)_LINKDEST) $@
 639 $(foreach a,$(ALL_ARCHS),\
 640   $(foreach d,$(LOCAL_COMMON_DIRS),$(LOCAL)/$a/$d)): \
 641                 $$(if $$(call symlink-ok-p,$$@,../$$(call base-name,$$@)),,_force) \
 642                 | $$(call parent-dir,$$@)
 643         $(call v_tag,SYMLINK)ln -sf ../$(call base-name,$@) $(call file-name,$@)
 644
 645 ###--------------------------------------------------------------------------
 646 ### Main chroot maintenance.
 647
 648 OPTS                     =
 649 FRESH                    = 1w
 650 JOBS                     = chroot cross-tools pkg-build
 651
 652 MAINTQ_                  = -q
 653 MAINTQ_0                 = -q
 654 MAINT                    = +$(call v_tag,MAINT)\
 655         PYTHONPATH=$(STATE)/lib/python $(STATE)/bin/chroot-maint \
 656                 $(MAINTQ_$V) $(OPTS)
 657
 658 maint: all check
 659         $(MAINT) -f$(FRESH) $(JOBS)
 660 .PHONY: maint
 661
 662 ###--------------------------------------------------------------------------
 663 ### Running random commands.
 664
 665 CMD                      = echo %d %a
 666 subst-command            = $(subst %d,$(call chroot-dist,$1), \
 667                                 $(subst %a,$(call chroot-arch,$1), \
 668                                         $(subst %r,$1, $(CMD))))
 669
 670 run: $(foreach c,$(ALL_CHROOTS),run/$c)
 671 $(foreach c,$(ALL_CHROOTS),run/$c): run/%:
 672         $(V_AT)$(call v_print,RUN,$(call subst-command,$*))\
 673                 $(call subst-command,$*)
 674
 675 ###--------------------------------------------------------------------------
 676 ### Other maintenance targets.
 677
 678 show:; : $x
 679
 680 clean::
 681         rm -f $(CLEANFILES)
 682         rm -rf $(STATE)
 683
 684 realclean:: clean
 685         rm -rf $(LOCAL)
 686
 687 ###----- That's all, folks --------------------------------------------------