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 ##      $(call chroot-dist,D-A) -> D
 280 ##      $(call chroot-arch,D-A) -> A
 281 ##
 282 ## Parse chroot descriptions.
 283 chroot-dist              = $(patsubst %/,%,$(dir $(subst -,/,$1)))
 284 chroot-arch              = $(notdir $(subst -,/,$1))
 285
 286 ##      $(call package-dir-name,P-V) -> P
 287 ##      $(call package-dir-version,P-V) -> V
 288 ##
 289 ## Parse (source) package directory names.
 290 package-dir-name         = $(sort $(foreach p,$(LOCALPKGS),$(if $(filter $p-$($p_VERSION),$1),$p)))
 291 package-dir-version      = $($(call package-dir-name,$1)_VERSION)
 292
 293 ##      $(call package-dir,P-V.A) -> P-V
 294 ##      $(call package-name,P-V.A) -> P
 295 ##      $(call package-version,P-V.A) -> V
 296 ##      $(call package-arch,P-V.A) -> A
 297 ##
 298 ## Parse package stamp names.
 299 package-dir              = $(basename $1)
 300 package-name             = $(call package-dir-name,$(call package-dir,$1))
 301 package-version          = $(call package-dir-version,$(call package-dir,$1))
 302 package-arch             = $(patsubst .%,%,$(suffix $1))
 303
 304 ##      $(call native-chroot-p,D-A) -> D | <empty>
 305 ##
 306 ## Answer whether D-A is a native chroot.
 307 native-chroot-p          = $(filter $(call chroot-arch,$1),$(NATIVE_ARCHS))
 308
 309 ##      $(call chroot-qemuhost,D-A) -> AA
 310 ##
 311 ## Answer the apporopriate Qemu host architecture for foreign chroot D-A.
 312 chroot-qemuhost          = $($(call chroot-arch,$1)_QEMUHOST)
 313
 314 ##      $(call chroot-deps,PRE,D-A) -> PREDD-AA ... | <empty>
 315 ##
 316 ## Answer a list of additional dependencies for the chroot D-A: specifically,
 317 ## if D-A is foreign then include PRE/DD-AA entries for the tools
 318 ## architecture, and Qemu host architecture (if that's different).
 319 chroot-deps              = $(if $(call native-chroot-p,$2),, \
 320                                 $(addprefix $1$(call chroot-dist,$2)-,\
 321                                         $(sort $(TOOLSARCH) \
 322                                                $(call chroot-qemuhost,$2))))
 323
 324 ## Substituting placeholders in files.
 325 SUBSTITUTIONS           := local=$(shell realpath $(LOCAL))
 326 SUBSTITUTIONS           += primary-dist=$(PRIMARY_DIST)
 327 subst-file               = { \
 328         echo "$1 GENERATED by distorted-chroot: do not edit"; \
 329         substs=""; \
 330         for v in $(SUBSTITUTIONS); do \
 331           var=$${v%%=*} value=$${v\#*=}; \
 332           substs="$$substs s\a@$$var@\a$$value\ag;"; \
 333         done; \
 334         sed "$$substs"; \
 335 }
 336
 337 ###     $(call symlink-ok-p,LINK,DEST)
 338 ###
 339 ### Expand to `t' if LINK is a symbolic link to DEST, and empty otherwise.
 340 symlink-ok-p             = $(shell \
 341         case $$(readlink 2>/dev/null $(patsubst %/,%,$1)) in ($2) echo t ;; esac)
 342
 343 ###     $(call general-notify,SEV,COLOUR,PREFIX,MSG)
 344 ###
 345 ### Report a message, highlighted in the right way, and maybe fail
 346 general-notify           = { \
 347         echo "$$(tput bold; tput setaf $2)$3 "$4"$$(tput sgr0; tput op)"; \
 348         if [ "$1" -le "$(NOTIFY_FATAL)" ]; then exit 2; fi; \
 349 }
 350
 351 ###     $(call report/SEV,MSG)
 352 ###
 353 ### Report a notification of a particular severity.
 354 notify/INFO              = $(call general-notify,3,6,---,$1)
 355 notify/WARN              = $(call general-notify,2,5,???,$1)
 356 notify/ERR               = $(call general-notify,1,1,!!!,$1)
 357
 358 ##      $(call check,SEV,MSG,UNLESS)
 359 ##
 360 ## If UNLESS completes successfully, all is OK; otherwise print MSG to stderr
 361 ## and fail.
 362 check                    = @{ \
 363         $(call v_echo,'check: '$(call squote,$3)''); \
 364         if ! { $3; }; then $(call notify/$1,$2); fi; \
 365 }
 366
 367 ##      $(call check-executable,SEV,PATH)
 368 ##
 369 ## Verify that PATH is an executable program.
 370 check-executable         = $(call check,$1,"\`$2' is not an executable", \
 371         [ -x "$2" ])
 372
 373 ##      $(call check-mountpoint,SEV,DIR)
 374 ##
 375 ## Verify that DIR is a mountpoint.
 376 check-mountpoint         = $(call check,$1,"\`$2' is not a mount point", \
 377         mountpoint -q "$2")
 378
 379 ##      $(call check-symlink,SEV,LINK,DEST)
 380 ##
 381 ## Verify that LINK is a symbolic link pointing to DEST.
 382 check-symlink            = $(call check,$1,"\`$2' is not a link to \`$3'", \
 383         [ -L "$2" ] && [ "$$(readlink "$2")" = "$3" ])
 384
 385 ###--------------------------------------------------------------------------
 386 ### Python extensions.
 387
 388 CC                       = gcc
 389 CFLAGS                   = -O2 -g -Wall
 390
 391 LD                       = $(CC)
 392 LDFLAGS                  =
 393
 394 c-source                 = $(foreach c,$1,src/$c)
 395 c-object                 = $(foreach c,$1,$(STATE)/obj/$(basename $c).o)
 396
 397 PYEXT_PKGFLAGS          := $(shell pkg-config --cflags python2)
 398 PYEXT_CFLAGS             = -fPIC -fno-strict-aliasing $(PYEXT_PKGFLAGS)
 399 PYEXT_LDFLAGS            = -shared
 400
 401 PYEXTS                  += jobclient
 402 jobclient_SOURCES        = jobclient.c
 403
 404 PYEXT_ALLSRC             = $(foreach x,$(PYEXTS),\
 405                                 $(call c-source,$($x_SOURCES)))
 406 PYEXT_ALLOBJ             = $(foreach x,$(PYEXTS),\
 407                                 $(call c-object,$($x_SOURCES)))
 408 $(PYEXT_ALLOBJ): $(STATE)/obj/%.o: src/%.c
 409         $(V_AT)mkdir -p $(dir $@)
 410         $(call v_tag,CC)$(CC) -c $(CFLAGS) $(PYEXT_CFLAGS) -o$@ $<
 411
 412 PYMODULES                = $(foreach x,$(PYEXTS),$(STATE)/lib/python/$x.so)
 413 all:: $(PYMODULES)
 414 $(PYMODULES): $(STATE)/lib/python/%.so: $$(call c-object,$$($$*_SOURCES))
 415         $(V_AT)mkdir -p $(dir $@)
 416         $(call v_tag,LD)$(LD) $(LDFLAGS) $(PYEXT_LDFLAGS) -o$@ $^
 417
 418 ###--------------------------------------------------------------------------
 419 ### Scripts.
 420
 421 SCRIPTS                 += chroot-maint
 422 SCRIPTS                 += mkchrootconf
 423
 424 SUBST_SCRIPTS            = $(addprefix $(STATE)/bin/,$(SCRIPTS))
 425 all:: $(SUBST_SCRIPTS)
 426 $(SUBST_SCRIPTS): $(STATE)/bin/%: bin/% $(STATE)/config.sh
 427         $(V_AT)mkdir -p $(dir $@)
 428         $(call v_tag,SUBST){ \
 429                 sed \
 430                 -e '2i### GENERATED by distorted-chroot: do not edit' \
 431                 -e '/@@@config@@@/ {' \
 432                         -e 'r $(STATE)/config.sh' \
 433                         -e 'd'\
 434                 -e '}' $<; \
 435         } >$@.new && chmod +x $@.new && mv $@.new $@
 436
 437 ###--------------------------------------------------------------------------
 438 ### APT configuration.
 439
 440 ## In a chroot, `/etc/apt/sources.list' links to
 441 ## `/usr/local.schroot/etc/apt/sources.$d' for the appropriate distribution.
 442 APT_SOURCES              = $(foreach d,$(DISTS),$(LOCAL)/etc/apt/sources.$d)
 443 all:: $(APT_SOURCES)
 444
 445 $(foreach d,$(DISTS),$(STATE)/etc/apt/aptsrc.$d): $(STATE)/etc/apt/aptsrc.%:
 446         $(V_AT)mkdir -p $(dir $@)
 447         $(call v_tag,GEN){ \
 448           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 449           echo "subscribe"; \
 450           echo "        debian : $*"; \
 451         } >$@.new && mv $@.new $@
 452
 453 $(APT_SOURCES): $(LOCAL)/etc/apt/sources.%: \
 454                 $$(APTSRC) $$($$*_APTSRC) $$(STATE)/etc/apt/aptsrc.$$*
 455         $(V_AT)mkdir -p $(dir $@)
 456         $(call v_tag,GEN)bin/mkaptsrc \
 457                 $(APTSRC) $($*_APTSRC) $(STATE)/etc/apt/aptsrc.$* \
 458                 >$@.new && mv $@.new $@
 459 CLEANFILES              += $(APT_SOURCES)
 460
 461 ## In a chroot, a link `/etc/apt/apt.conf.d/FOO' is created for each file in
 462 ## `/usr/local.schroot/etc/apt/apt.conf.d/FOO'.
 463 APT_CONFIGS            = $(addprefix $(LOCAL)/etc/apt/apt.conf.d/,$(APTCONF))
 464 all:: $(APT_CONFIGS)
 465 $(APT_CONFIGS): $(LOCAL)/etc/apt/apt.conf.d/%: \
 466                 $$(or $$(_$$*_APTCONFSRC) etc/apt-conf.d/$$*)
 467         $(V_AT)mkdir -p $(dir $@)
 468         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 469 clean::; rm -f $(APT_CONFIGS)
 470
 471 ###--------------------------------------------------------------------------
 472 ### Build hacks.
 473
 474 check::; $(call check-executable,ERR,/usr/bin/eatmydata)
 475
 476 EATMYDATA_HACKS         += apt-get aptitude dpkg
 477 SYMLINK_EATMYDATA_HACKS  = $(addprefix $(LOCAL)/hacks/,$(EATMYDATA_HACKS))
 478 all:: $(SYMLINK_EATMYDATA_HACKS)
 479 $(SYMLINK_EATMYDATA_HACKS): $(LOCAL)/hacks/%: \
 480                 $$(if $$(call symlink-ok-p,$$@,/usr/bin/eatmydata),,_force)
 481         $(V_AT)mkdir -p $(dir $@)
 482         $(call v_tag,SYMLINK)ln -sf /usr/bin/eatmydata $@.new && mv $@.new $@
 483 clean::; rm -f $(SYMLINK_EATMYDATA_HACKS)
 484
 485 SCRIPT_HACKS            += buildwrap
 486 COPY_SCRIPT_HACKS        = $(addprefix $(LOCAL)/hacks/,$(SCRIPT_HACKS))
 487 all:: $(COPY_SCRIPT_HACKS)
 488 $(COPY_SCRIPT_HACKS): $(LOCAL)/hacks/%: bin/%
 489         $(V_AT)mkdir -p $(dir $@)
 490         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 491 clean::; rm -f $(COPY_SCRIPT_HACKS)
 492
 493 ###--------------------------------------------------------------------------
 494 ### `schroot' and `sbuild' configuration.
 495
 496 all:: schroot-config
 497 schroot-config::
 498 .PHONY: schroot-config
 499
 500 check::; $(call check-mountpoint,WARN,/var/lib/sbuild/build)
 501 check::; $(call check-symlink,WARN,/build,/var/lib/sbuild/build)
 502 check::; $(call check-symlink,ERR,/schroot,/run/schroot/mount)
 503
 504 %print-varlist           = { \
 505         echo "\#\#\# -*-sh-*- GENERATED by distorted-chroot: do not edit"; \
 506         $(foreach v,$1,$(if $(call definedp,$v),\
 507                 echo $v=\'$(call squote,$($v))\';)) \
 508 }
 509 schroot-config_HASH     := \
 510         $(shell $(call %print-varlist,$(CONFIG_VARS)) | \
 511                 sha256sum | cut -c1-32)
 512 schroot-config_FILE      = $(STATE)/config.sh-$(schroot-config_HASH)
 513 $(schroot-config_FILE):
 514         $(V_AT)mkdir -p $(STATE)
 515         $(V_AT)rm -f $(STATE)/config.sh-*
 516         $(call v_tag,GEN)$(call %print-varlist,$(CONFIG_VARS)) \
 517                 >$@.new && mv $@.new $@
 518
 519 schroot-config:: $(STATE)/config.sh
 520 $(STATE)/config.sh: $(schroot-config_FILE)
 521         $(call v_tag,SYMLINK)ln -sf $(notdir $<) $@
 522
 523 schroot-config:: $(LOCAL)/etc/schroot/sbuild.schroot
 524 $(LOCAL)/etc/schroot/sbuild.schroot: $(STATE)/bin/mkchrootconf
 525         $(V_AT)mkdir -p $(dir $@)
 526         $(call v_tag,GEN)$(STATE)/bin/mkchrootconf >$@.new && \
 527                 $(ROOTLY) chown root:root $@.new && mv $@.new $@
 528 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.schroot
 529 check::; $(call check-symlink,WARN,/etc/schroot/chroot.d/sbuild,$(ABSLOCAL)/etc/schroot/sbuild.schroot)
 530
 531 schroot-config:: $(LOCAL)/etc/schroot/sbuild.profile/copyfiles
 532 $(LOCAL)/etc/schroot/sbuild.profile/copyfiles: $(schroot-config_STAMP)
 533         $(V_AT)mkdir -p $(dir $@)
 534         $(call v_tag,GEN){ \
 535           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 536           for i in $(SCHROOT_COPYFILES); do echo "$$i"; done; \
 537         } >$@.new && mv $@.new $@
 538 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/copyfiles
 539
 540 schroot-config:: $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases
 541 $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases: $(schroot-config_STAMP)
 542         $(V_AT)mkdir -p $(dir $@)
 543         $(call v_tag,GEN){ \
 544           echo "### -*-conf-*- GENERATED by distorted-chroot: do not edit"; \
 545           for i in $(SCHROOT_NSSDATABASES); do echo "$$i"; done; \
 546         } >$@.new && mv $@.new $@
 547 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/nssdatabases
 548
 549 schroot-config:: $(LOCAL)/etc/schroot/sbuild.profile/fstab
 550 $(LOCAL)/etc/schroot/sbuild.profile/fstab: \
 551                 etc/sbuild.fstab.in $(schroot-config_STAMP)
 552         $(V_AT)mkdir -p $(dir $@)
 553         $(call v_tag,SUBST)$(call subst-file,### -*-conf-*-) \
 554                 <$< >$@.new && mv $@.new $@
 555 CLEANFILES              += $(LOCAL)/etc/schroot/sbuild.profile/fstab
 556
 557 check::; $(call check-symlink,WARN,/etc/schroot/sbuild,$(ABSLOCAL)/etc/schroot/sbuild.profile)
 558
 559 schroot-config:: $(LOCAL)/etc/sbuild.conf
 560 $(LOCAL)/etc/sbuild.conf: etc/sbuild.conf.in $(schroot-config_STAMP)
 561         $(V_AT)mkdir -p $(dir $@)
 562         $(call v_tag,SUBST)$(call subst-file,### -*-perl-*-) \
 563                 <$< >$@.new && mv $@.new $@
 564 CLEANFILES              += $(LOCAL)/etc/sbuild.conf
 565 check::; $(call check-symlink,WARN,/etc/sbuild/sbuild.conf,$(ABSLOCAL)/etc/sbuild.conf)
 566 check::; $(call check-executable,WARN,/usr/local.schroot/hacks/apt-get)
 567
 568 SCHROOT_SCRIPTS         += 11private
 569 SCHROOT_SCRIPTS         += 15binfmt
 570 SCHROOT_SCRIPTS         += 51chrootenv
 571 COPY_SCHROOT_SCRIPTS     = $(addprefix $(LOCAL)/etc/schroot/setup.d/,$(SCHROOT_SCRIPTS))
 572 schroot-config:: $(COPY_SCHROOT_SCRIPTS)
 573 $(COPY_SCHROOT_SCRIPTS): \
 574                 $(LOCAL)/etc/schroot/setup.d/%: etc/schroot-scripts/%
 575         $(V_AT)mkdir -p $(dir $@)
 576         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 577 CLEANFILES              += $(COPY_SCHROOT_SCRIPTS)
 578
 579 CHECK_SCHROOT_SCRIPTS    = $(addprefix check-script/,$(SCHROOT_SCRIPTS))
 580 check:: $(CHECK_SCHROOT_SCRIPTS)
 581 $(CHECK_SCHROOT_SCRIPTS): check-script/%:
 582         $(call check-symlink,WARN,/etc/schroot/setup.d/$*,$(ABSLOCAL)/etc/schroot/setup.d/$*)
 583 .PHONY: $(addprefix check-script/,$(SCHROOT_SCRIPTS))
 584
 585 ###--------------------------------------------------------------------------
 586 ### Ccache setup.
 587
 588 CCACHE_CONFIGS           = $(foreach r,$(ALL_CHROOTS), \
 589         /var/lib/sbuild/build/.ccache/$(LVPREFIX)$r/ccache.conf)
 590 all:: $(CCACHE_CONFIGS)
 591 $(CCACHE_CONFIGS): /var/lib/sbuild/build/.ccache/$(LVPREFIX)%/ccache.conf: \
 592                 etc/ccache.conf
 593         $(V_AT)mkdir -p $(dir $@)
 594         $(call v_tag,COPY)cp $< $@.new && mv $@.new $@
 595
 596 ###--------------------------------------------------------------------------
 597 ### `/usr/local/' structure.
 598
 599 LOCAL_COMMON_DIRS        = share/ src/
 600 LOCAL_EXTRA_DIRS         = share/man/
 601 all:: $(foreach d,$(LOCAL_COMMON_DIRS) $(LOCAL_EXTRA_DIRS),$(LOCAL)/$d)
 602 $(foreach d,$(LOCAL_COMMON_DIRS) $(LOCAL_EXTRA_DIRS),$(LOCAL)/$d):
 603         $(V_AT)mkdir -p $(dir $(patsubst %/,%,$@))
 604         $(call v_tag,MKDIR)mkdir $@
 605
 606 LOCAL_ARCH_DIRS          = bin/ etc/ games/ include/ lib/ libexec/ sbin/
 607 LOCAL_ARCH_LINKS         = man
 608 man_LINKDEST             = share/man
 609 all:: $(foreach a,$(ALL_ARCHS),\
 610         $(LOCAL)/$a/ \
 611         $(foreach d,$(LOCAL_ARCH_DIRS),$(LOCAL)/$a/$d) \
 612         $(foreach d,$(LOCAL_ARCH_LINKS),$(LOCAL)/$a/$d) \
 613         $(foreach d,$(LOCAL_COMMON_DIRS),$(LOCAL)/$a/$d))
 614
 615 $(foreach a,$(ALL_ARCHS),$(LOCAL)/$a/):
 616         $(call v_tag,MKDIR)mkdir $@
 617 $(foreach a,$(ALL_ARCHS),\
 618   $(foreach d,$(LOCAL_ARCH_DIRS),$(LOCAL)/$a/$d)):
 619         $(V_AT)mkdir -p $(dir $(patsubst %/,%,$@))
 620         $(call v_tag,MKDIR)mkdir $@
 621 $(foreach a,$(ALL_ARCHS),\
 622   $(foreach d,$(LOCAL_ARCH_LINKS),$(LOCAL)/$a/$d)): \
 623                 $$(if $$(call symlink-ok-p,$$@,$$($$(notdir $$@)_LINKDEST)),,_force)
 624         $(V_AT)mkdir -p $(notdir $@)
 625         $(call v_tag,SYMLINK)ln -sf $($(notdir $@)_LINKDEST) $@
 626 $(foreach a,$(ALL_ARCHS),\
 627   $(foreach d,$(LOCAL_COMMON_DIRS),$(LOCAL)/$a/$d)): \
 628                 $$(if $$(call symlink-ok-p,$$@,../$$(notdir $$(patsubst %/,%,$$@))),,_force)
 629         $(V_AT)mkdir -p $(dir $(patsubst %/,%,$@))
 630         $(call v_tag,SYMLINK)ln -sf ../$(notdir $(patsubst %/,%,$@)) $(patsubst %/,%,$@)
 631
 632 ###--------------------------------------------------------------------------
 633 ### Main chroot maintenance.
 634
 635 OPTS                     =
 636 FRESH                    = create
 637 JOBS                     = chroot cross-tools pkg-build
 638
 639 MAINTQ_                  = -q
 640 MAINTQ_0                 = -q
 641 MAINT                    = +$(call v_tag,RUN)\
 642         PYTHONPATH=$(STATE)/lib/python $(STATE)/bin/chroot-maint \
 643                 $(MAINTQ_$V) $(OPTS)
 644
 645 maint: all check
 646         $(MAINT) -f$(FRESH) $(JOBS)
 647 .PHONY: maint
 648
 649 ###--------------------------------------------------------------------------
 650 ### Other maintenance targets.
 651
 652 show:; : $x
 653
 654 clean::
 655         rm -f $(CLEANFILES)
 656         rm -rf $(STATE)
 657
 658 realclean:: clean
 659         rm -rf $(LOCAL)
 660
 661 ###----- That's all, folks --------------------------------------------------