build/install-build-deps.sh

   1 #!/bin/bash -e
   2
   3 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 # Script to install everything needed to build chromium (well, ideally, anyway)
   8 # See http://code.google.com/p/chromium/wiki/LinuxBuildInstructions
   9 # and http://code.google.com/p/chromium/wiki/LinuxBuild64Bit
  10
  11 usage() {
  12   echo "Usage: $0 [--options]"
  13   echo "Options:"
  14   echo "--[no-]syms: enable or disable installation of debugging symbols"
  15   echo "--[no-]lib32: enable or disable installation of 32 bit libraries"
  16   echo "--[no-]arm: enable or disable installation of arm cross toolchain"
  17   echo "--[no-]chromeos-fonts: enable or disable installation of Chrome OS"\
  18        "fonts"
  19   echo "--[no-]nacl: enable or disable installation of prerequisites for"\
  20        "building standalone NaCl and all its toolchains"
  21   echo "--no-prompt: silently select standard options/defaults"
  22   echo "--quick-check: quickly try to determine if dependencies are installed"
  23   echo "               (this avoids interactive prompts and sudo commands,"
  24   echo "               so might not be 100% accurate)"
  25   echo "--unsupported: attempt installation even on unsupported systems"
  26   echo "Script will prompt interactively if options not given."
  27   exit 1
  28 }
  29
  30 # Checks whether a particular package is available in the repos.
  31 # USAGE: $ package_exists <package name>
  32 package_exists() {
  33   apt-cache pkgnames | grep -x "$1" > /dev/null 2>&1
  34 }
  35
  36 # These default to on because (some) bots need them and it keeps things
  37 # simple for the bot setup if all bots just run the script in its default
  38 # mode.  Developers who don't want stuff they don't need installed on their
  39 # own workstations can pass --no-arm --no-nacl when running the script.
  40 do_inst_arm=1
  41 do_inst_nacl=1
  42
  43 while test "$1" != ""
  44 do
  45   case "$1" in
  46   --syms)                   do_inst_syms=1;;
  47   --no-syms)                do_inst_syms=0;;
  48   --lib32)                  do_inst_lib32=1;;
  49   --no-lib32)               do_inst_lib32=0;;
  50   --arm)                    do_inst_arm=1;;
  51   --no-arm)                 do_inst_arm=0;;
  52   --chromeos-fonts)         do_inst_chromeos_fonts=1;;
  53   --no-chromeos-fonts)      do_inst_chromeos_fonts=0;;
  54   --nacl)                   do_inst_nacl=1;;
  55   --no-nacl)                do_inst_nacl=0;;
  56   --no-prompt)              do_default=1
  57                             do_quietly="-qq --assume-yes"
  58     ;;
  59   --quick-check)            do_quick_check=1;;
  60   --unsupported)            do_unsupported=1;;
  61   *) usage;;
  62   esac
  63   shift
  64 done
  65
  66 # Check for lsb_release command in $PATH
  67 if ! which lsb_release > /dev/null; then
  68   echo "ERROR: lsb_release not found in \$PATH" >&2
  69   exit 1;
  70 fi
  71
  72 lsb_release=$(lsb_release --codename --short)
  73 ubuntu_codenames="(precise|quantal|raring|saucy|trusty)"
  74 if [ 0 -eq "${do_unsupported-0}" ] && [ 0 -eq "${do_quick_check-0}" ] ; then
  75   if [[ ! $lsb_release =~ $ubuntu_codenames ]]; then
  76     echo "ERROR: Only Ubuntu 12.04 (precise) through 14.04 (trusty) are"\
  77         "currently supported" >&2
  78     exit 1
  79   fi
  80
  81   if ! uname -m | egrep -q "i686|x86_64"; then
  82     echo "Only x86 architectures are currently supported" >&2
  83     exit
  84   fi
  85 fi
  86
  87 if [ "x$(id -u)" != x0 ] && [ 0 -eq "${do_quick_check-0}" ]; then
  88   echo "Running as non-root user."
  89   echo "You might have to enter your password one or more times for 'sudo'."
  90   echo
  91 fi
  92
  93 # Packages needed for chromeos only
  94 chromeos_dev_list="libbluetooth-dev"
  95
  96 # Packages needed for development
  97 dev_list="apache2.2-bin bison curl dpkg-dev elfutils devscripts fakeroot flex
  98           fonts-thai-tlwg g++ git-core gperf language-pack-da language-pack-fr
  99           language-pack-he language-pack-zh-hant libapache2-mod-php5
 100           libasound2-dev libbrlapi-dev libbz2-dev libcairo2-dev libcap-dev
 101           libcups2-dev libcurl4-gnutls-dev libdrm-dev libelf-dev libexif-dev
 102           libgbm-dev libgconf2-dev libgl1-mesa-dev libglib2.0-dev
 103           libglu1-mesa-dev libgnome-keyring-dev libgtk2.0-dev libkrb5-dev
 104           libnspr4-dev libnss3-dev libpam0g-dev libpci-dev libpulse-dev
 105           libsctp-dev libspeechd-dev libsqlite3-dev libssl-dev libudev-dev
 106           libwww-perl libxslt1-dev libxss-dev libxt-dev libxtst-dev
 107           mesa-common-dev openbox patch perl php5-cgi pkg-config python
 108           python-cherrypy3 python-dev python-psutil rpm ruby subversion
 109           ttf-dejavu-core ttf-indic-fonts ttf-kochi-gothic ttf-kochi-mincho
 110           wdiff xfonts-mathml zip $chromeos_dev_list"
 111
 112 # 64-bit systems need a minimum set of 32-bit compat packages for the pre-built
 113 # NaCl binaries. These are always needed, regardless of whether or not we want
 114 # the full 32-bit "cross-compile" support (--lib32).
 115 if file /sbin/init | grep -q 'ELF 64-bit'; then
 116   dev_list="${dev_list} libc6-i386 lib32gcc1 lib32stdc++6"
 117 fi
 118
 119 # Run-time libraries required by chromeos only
 120 chromeos_lib_list="libpulse0 libbz2-1.0"
 121
 122 # Full list of required run-time libraries
 123 lib_list="libatk1.0-0 libc6 libasound2 libcairo2 libcap2 libcups2 libexpat1
 124           libexif12 libfontconfig1 libfreetype6 libglib2.0-0 libgnome-keyring0
 125           libgtk2.0-0 libpam0g libpango1.0-0 libpci3 libpcre3 libpixman-1-0
 126           libpng12-0 libspeechd2 libstdc++6 libsqlite3-0 libx11-6
 127           libxau6 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxdmcp6
 128           libxext6 libxfixes3 libxi6 libxinerama1 libxrandr2 libxrender1
 129           libxtst6 zlib1g $chromeos_lib_list"
 130
 131 # Debugging symbols for all of the run-time libraries
 132 dbg_list="libatk1.0-dbg libc6-dbg libcairo2-dbg libfontconfig1-dbg
 133           libglib2.0-0-dbg libgtk2.0-0-dbg libpango1.0-0-dbg libpcre3-dbg
 134           libpixman-1-0-dbg libsqlite3-0-dbg libx11-6-dbg libxau6-dbg
 135           libxcb1-dbg libxcomposite1-dbg libxcursor1-dbg libxdamage1-dbg
 136           libxdmcp6-dbg libxext6-dbg libxfixes3-dbg libxi6-dbg libxinerama1-dbg
 137           libxrandr2-dbg libxrender1-dbg libxtst6-dbg zlib1g-dbg
 138           libstdc++6-4.6-dbg"
 139
 140 # arm cross toolchain packages needed to build chrome on armhf
 141 arm_list="libc6-dev-armhf-cross
 142           linux-libc-dev-armhf-cross
 143           g++-arm-linux-gnueabihf"
 144
 145 # Packages to build standalone NaCl and all its toolchains.
 146 nacl_list="g++-mingw-w64-i686 libtinfo-dev libtinfo-dev:i386"
 147
 148 # Some package names have changed over time
 149 if package_exists ttf-mscorefonts-installer; then
 150   dev_list="${dev_list} ttf-mscorefonts-installer"
 151 else
 152   dev_list="${dev_list} msttcorefonts"
 153 fi
 154 if package_exists libnspr4-dbg; then
 155   dbg_list="${dbg_list} libnspr4-dbg libnss3-dbg"
 156   lib_list="${lib_list} libnspr4 libnss3"
 157 else
 158   dbg_list="${dbg_list} libnspr4-0d-dbg libnss3-1d-dbg"
 159   lib_list="${lib_list} libnspr4-0d libnss3-1d"
 160 fi
 161 if package_exists libjpeg-dev; then
 162   dev_list="${dev_list} libjpeg-dev"
 163 else
 164   dev_list="${dev_list} libjpeg62-dev"
 165 fi
 166 if package_exists libudev1; then
 167   dev_list="${dev_list} libudev1"
 168 else
 169   dev_list="${dev_list} libudev0"
 170 fi
 171 if package_exists libbrlapi0.6; then
 172   dev_list="${dev_list} libbrlapi0.6"
 173 else
 174   dev_list="${dev_list} libbrlapi0.5"
 175 fi
 176
 177
 178 # Some packages are only needed if the distribution actually supports
 179 # installing them.
 180 if package_exists appmenu-gtk; then
 181   lib_list="$lib_list appmenu-gtk"
 182 fi
 183
 184 # Waits for the user to press 'Y' or 'N'. Either uppercase of lowercase is
 185 # accepted. Returns 0 for 'Y' and 1 for 'N'. If an optional parameter has
 186 # been provided to yes_no(), the function also accepts RETURN as a user input.
 187 # The parameter specifies the exit code that should be returned in that case.
 188 # The function will echo the user's selection followed by a newline character.
 189 # Users can abort the function by pressing CTRL-C. This will call "exit 1".
 190 yes_no() {
 191   if [ 0 -ne "${do_default-0}" ] ; then
 192     [ $1 -eq 0 ] && echo "Y" || echo "N"
 193     return $1
 194   fi
 195   local c
 196   while :; do
 197     c="$(trap 'stty echo -iuclc icanon 2>/dev/null' EXIT INT TERM QUIT
 198          stty -echo iuclc -icanon 2>/dev/null
 199          dd count=1 bs=1 2>/dev/null | od -An -tx1)"
 200     case "$c" in
 201       " 0a") if [ -n "$1" ]; then
 202                [ $1 -eq 0 ] && echo "Y" || echo "N"
 203                return $1
 204              fi
 205              ;;
 206       " 79") echo "Y"
 207              return 0
 208              ;;
 209       " 6e") echo "N"
 210              return 1
 211              ;;
 212       "")    echo "Aborted" >&2
 213              exit 1
 214              ;;
 215       *)     # The user pressed an unrecognized key. As we are not echoing
 216              # any incorrect user input, alert the user by ringing the bell.
 217              (tput bel) 2>/dev/null
 218              ;;
 219     esac
 220   done
 221 }
 222
 223 if test "$do_inst_syms" = "" && test 0 -eq ${do_quick_check-0}
 224 then
 225   echo "This script installs all tools and libraries needed to build Chromium."
 226   echo ""
 227   echo "For most of the libraries, it can also install debugging symbols, which"
 228   echo "will allow you to debug code in the system libraries. Most developers"
 229   echo "won't need these symbols."
 230   echo -n "Do you want me to install them for you (y/N) "
 231   if yes_no 1; then
 232     do_inst_syms=1
 233   fi
 234 fi
 235 if test "$do_inst_syms" = "1"; then
 236   echo "Including debugging symbols."
 237 else
 238   echo "Skipping debugging symbols."
 239   dbg_list=
 240 fi
 241
 242 # When cross building for arm on 64-bit systems the host binaries
 243 # that are part of v8 need to be compiled with -m32 which means
 244 # that basic multilib support is needed.
 245 if file /sbin/init | grep -q 'ELF 64-bit'; then
 246   if [ "$lsb_release" = "trusty" ]; then
 247     # gcc-multilib conflicts with the arm cross compiler in trusty but
 248     # g++-4.8-multilib gives us the 32-bit support that we need.
 249     arm_list="$arm_list g++-4.8-multilib"
 250   else
 251     arm_list="$arm_list g++-multilib"
 252   fi
 253 fi
 254
 255 if test "$do_inst_arm" = "1" ; then
 256   echo "Including ARM cross toolchain."
 257 else
 258   echo "Skipping ARM cross toolchain."
 259   arm_list=
 260 fi
 261
 262 if test "$do_inst_nacl" = "1"; then
 263   echo "Including standalone NaCl dependencies."
 264 else
 265   echo "Skipping standalone NaCl dependencies."
 266   nacl_list=
 267 fi
 268
 269 packages="$(
 270   echo "${dev_list} ${lib_list} ${dbg_list} ${arm_list} ${nacl_list}" |
 271   tr " " "\n" | sort -u | tr "\n" " "
 272 )"
 273
 274 if [ 1 -eq "${do_quick_check-0}" ] ; then
 275   failed_check="$(dpkg-query -W -f '${PackageSpec}:${Status}\n' \
 276     ${packages} 2>&1 | grep -v "ok installed" || :)"
 277   if [ -n "${failed_check}" ]; then
 278     echo
 279     nomatch="$(echo "${failed_check}" | \
 280       sed -e "s/^No packages found matching \(.*\).$/\1/;t;d")"
 281     missing="$(echo "${failed_check}" | \
 282       sed -e "/^No packages found matching/d;s/^\(.*\):.*$/\1/")"
 283     if [ "$nomatch" ]; then
 284       # Distinguish between packages that actually aren't available to the
 285       # system (i.e. not in any repo) and packages that just aren't known to
 286       # dpkg (i.e. managed by apt).
 287       unknown=""
 288       for p in ${nomatch}; do
 289         if apt-cache show ${p} > /dev/null 2>&1; then
 290           missing="${p}\n${missing}"
 291         else
 292           unknown="${p}\n${unknown}"
 293         fi
 294       done
 295       if [ -n "${unknown}" ]; then
 296         echo "WARNING: The following packages are unknown to your system"
 297         echo "(maybe missing a repo or need to 'sudo apt-get update'):"
 298         echo -e "${unknown}" | sed -e "s/^/  /"
 299       fi
 300     fi
 301     if [ -n "${missing}" ]; then
 302       echo "WARNING: The following packages are not installed:"
 303       echo -e "${missing}" | sed -e "s/^/  /"
 304     fi
 305     exit 1
 306   fi
 307   exit 0
 308 fi
 309
 310 sudo apt-get update
 311
 312 # We initially run "apt-get" with the --reinstall option and parse its output.
 313 # This way, we can find all the packages that need to be newly installed
 314 # without accidentally promoting any packages from "auto" to "manual".
 315 # We then re-run "apt-get" with just the list of missing packages.
 316 echo "Finding missing packages..."
 317 # Intentionally leaving $packages unquoted so it's more readable.
 318 echo "Packages required: " $packages
 319 echo
 320 new_list_cmd="sudo apt-get install --reinstall $(echo $packages)"
 321 if new_list="$(yes n | LANGUAGE=en LANG=C $new_list_cmd)"; then
 322   # We probably never hit this following line.
 323   echo "No missing packages, and the packages are up-to-date."
 324 elif [ $? -eq 1 ]; then
 325   # We expect apt-get to have exit status of 1.
 326   # This indicates that we cancelled the install with "yes n|".
 327   new_list=$(echo "$new_list" |
 328     sed -e '1,/The following NEW packages will be installed:/d;s/^  //;t;d')
 329   new_list=$(echo "$new_list" | sed 's/ *$//')
 330   if [ -z "$new_list" ] ; then
 331     echo "No missing packages, and the packages are up-to-date."
 332   else
 333     echo "Installing missing packages: $new_list."
 334     sudo apt-get install ${do_quietly-} ${new_list}
 335   fi
 336   echo
 337 else
 338   # An apt-get exit status of 100 indicates that a real error has occurred.
 339
 340   # I am intentionally leaving out the '"'s around new_list_cmd,
 341   # as this makes it easier to cut and paste the output
 342   echo "The following command failed: " ${new_list_cmd}
 343   echo
 344   echo "It produces the following output:"
 345   yes n | $new_list_cmd || true
 346   echo
 347   echo "You will have to install the above packages yourself."
 348   echo
 349   exit 100
 350 fi
 351
 352 # Install the Chrome OS default fonts. This must go after running
 353 # apt-get, since install-chromeos-fonts depends on curl.
 354 if test "$do_inst_chromeos_fonts" != "0"; then
 355   echo
 356   echo "Installing Chrome OS fonts."
 357   dir=`echo $0 | sed -r -e 's/\/[^/]+$//'`
 358   if ! sudo $dir/linux/install-chromeos-fonts.py; then
 359     echo "ERROR: The installation of the Chrome OS default fonts failed."
 360     if [ `stat -f -c %T $dir` == "nfs" ]; then
 361       echo "The reason is that your repo is installed on a remote file system."
 362     else
 363       echo "This is expected if your repo is installed on a remote file system."
 364     fi
 365     echo "It is recommended to install your repo on a local file system."
 366     echo "You can skip the installation of the Chrome OS default founts with"
 367     echo "the command line option: --no-chromeos-fonts."
 368     exit 1
 369   fi
 370 else
 371   echo "Skipping installation of Chrome OS fonts."
 372 fi
 373
 374 # Install 32bit backwards compatibility support for 64bit systems
 375 if file /sbin/init | grep -q 'ELF 64-bit'; then
 376   if test "$do_inst_lib32" != "1"
 377   then
 378     echo "NOTE: If you were expecting the option to install 32bit libs,"
 379     echo "please run with the --lib32 flag."
 380     echo
 381     echo "Installation complete."
 382     exit 0
 383   else
 384     # This conditional statement has been added to deprecate and eventually
 385     # remove support for 32bit libraries on 64bit systems. But for the time
 386     # being, we still have to support a few legacy systems (e.g. bots), where
 387     # this feature is needed.
 388     # We only even give the user the option to install these libraries, if
 389     # they explicitly requested doing so by setting the --lib32 command line
 390     # flag.
 391     # And even then, we interactively ask them one more time whether they are
 392     # absolutely sure.
 393     # In order for that to work, we must reset the ${do_inst_lib32} variable.
 394     # There are other ways to achieve the same goal. But resetting the
 395     # variable is the best way to document the intended behavior -- and to
 396     # allow us to gradually deprecate and then remove the obsolete code.
 397     if test "${do_default-0}" -ne 1; then
 398       do_inst_lib32=
 399     fi
 400   fi
 401
 402   echo "WARNING"
 403   echo
 404   echo "We no longer recommend that you use this script to install"
 405   echo "32bit libraries on a 64bit system. Instead, consider using the"
 406   echo "install-chroot.sh script to help you set up a 32bit environment"
 407   echo "for building and testing 32bit versions of Chrome."
 408   echo
 409   echo "The code for installing 32bit libraries on a 64bit system is"
 410   echo "unmaintained and might not work with modern versions of Ubuntu"
 411   echo "or Debian."
 412   if test "$do_inst_lib32" != "" ; then
 413     echo
 414     echo -n "Are you sure you want to proceed (y/N) "
 415     if yes_no 1; then
 416       do_inst_lib32=1
 417     fi
 418   fi
 419   if test "$do_inst_lib32" != "1"
 420   then
 421     exit 0
 422   fi
 423
 424   # Standard 32bit compatibility libraries
 425   echo "First, installing the limited existing 32-bit support..."
 426   cmp_list="ia32-libs lib32asound2-dev lib32stdc++6 lib32z1
 427             lib32z1-dev libc6-dev-i386 libc6-i386 g++-multilib"
 428   if [ -n "`apt-cache search lib32readline-gplv2-dev 2>/dev/null`" ]; then
 429     cmp_list="${cmp_list} lib32readline-gplv2-dev"
 430   else
 431     cmp_list="${cmp_list} lib32readline5-dev"
 432   fi
 433   sudo apt-get install ${do_quietly-} $cmp_list
 434
 435   tmp=/tmp/install-32bit.$$
 436   trap 'rm -rf "${tmp}"' EXIT INT TERM QUIT
 437   mkdir -p "${tmp}/apt/lists/partial" "${tmp}/cache" "${tmp}/partial"
 438   touch "${tmp}/status"
 439
 440   [ -r /etc/apt/apt.conf ] && cp /etc/apt/apt.conf "${tmp}/apt/"
 441   cat >>"${tmp}/apt/apt.conf" <<EOF
 442         Apt::Architecture "i386";
 443         Dir::Cache "${tmp}/cache";
 444         Dir::Cache::Archives "${tmp}/";
 445         Dir::State::Lists "${tmp}/apt/lists/";
 446         Dir::State::status "${tmp}/status";
 447 EOF
 448
 449   # Download 32bit packages
 450   echo "Computing list of available 32bit packages..."
 451   sudo apt-get -c="${tmp}/apt/apt.conf" update
 452
 453   echo "Downloading available 32bit packages..."
 454   sudo apt-get -c="${tmp}/apt/apt.conf" \
 455           --yes --download-only --force-yes --reinstall install \
 456           ${lib_list} ${dbg_list}
 457
 458   # Open packages, remove everything that is not a library, move the
 459   # library to a lib32 directory and package everything as a *.deb file.
 460   echo "Repackaging and installing 32bit packages for use on 64bit systems..."
 461   for i in ${lib_list} ${dbg_list}; do
 462     orig="$(echo "${tmp}/${i}"_*_i386.deb)"
 463     compat="$(echo "${orig}" |
 464               sed -e 's,\(_[^_/]*_\)i386\(.deb\),-ia32\1amd64\2,')"
 465     rm -rf "${tmp}/staging"
 466     msg="$(fakeroot -u sh -exc '
 467       # Unpack 32bit Debian archive
 468       umask 022
 469       mkdir -p "'"${tmp}"'/staging/dpkg/DEBIAN"
 470       cd "'"${tmp}"'/staging"
 471       ar x "'${orig}'"
 472       tar Cfx dpkg data.tar*
 473       tar zCfx dpkg/DEBIAN control.tar.gz
 474
 475       # Create a posix extended regular expression fragment that will
 476       # recognize the includes which have changed. Should be rare,
 477       # will almost always be empty.
 478       includes=`sed -n -e "s/^[0-9a-z]*  //g" \
 479                        -e "\,usr/include/,p" dpkg/DEBIAN/md5sums |
 480                   xargs -n 1 -I FILE /bin/sh -c \
 481                     "cmp -s dpkg/FILE /FILE || echo FILE" |
 482                   tr "\n" "|" |
 483                   sed -e "s,|$,,"`
 484
 485       # If empty, set it to not match anything.
 486       test -z "$includes" && includes="^//"
 487
 488       # Turn the conflicts into an extended RE for removal from the
 489       # Provides line.
 490       conflicts=`sed -n -e "/Conflicts/s/Conflicts: *//;T;s/, */|/g;p" \
 491                    dpkg/DEBIAN/control`
 492
 493       # Rename package, change architecture, remove conflicts and dependencies
 494       sed -r -i                              \
 495           -e "/Package/s/$/-ia32/"           \
 496           -e "/Architecture/s/:.*$/: amd64/" \
 497           -e "/Depends/s/:.*/: ia32-libs/"   \
 498           -e "/Provides/s/($conflicts)(, *)?//g;T1;s/, *$//;:1"   \
 499           -e "/Recommends/d"                 \
 500           -e "/Conflicts/d"                  \
 501         dpkg/DEBIAN/control
 502
 503       # Only keep files that live in "lib" directories or the includes
 504       # that have changed.
 505       sed -r -i                                                               \
 506           -e "/\/lib64\//d" -e "/\/.?bin\//d"                                 \
 507           -e "\,$includes,s,[ /]include/,&32/,g;s,include/32/,include32/,g"   \
 508           -e "s, lib/, lib32/,g"                                              \
 509           -e "s,/lib/,/lib32/,g"                                              \
 510           -e "t;d"                                                            \
 511           -e "\,^/usr/lib32/debug\(.*/lib32\),s,^/usr/lib32/debug,/usr/lib/debug," \
 512         dpkg/DEBIAN/md5sums
 513
 514       # Re-run ldconfig after installation/removal
 515       { echo "#!/bin/sh"; echo "[ \"x\$1\" = xconfigure ]&&ldconfig||:"; } \
 516         >dpkg/DEBIAN/postinst
 517       { echo "#!/bin/sh"; echo "[ \"x\$1\" = xremove ]&&ldconfig||:"; } \
 518         >dpkg/DEBIAN/postrm
 519       chmod 755 dpkg/DEBIAN/postinst dpkg/DEBIAN/postrm
 520
 521       # Remove any other control files
 522       find dpkg/DEBIAN -mindepth 1 "(" -name control -o -name md5sums -o \
 523                        -name postinst -o -name postrm ")" -o -print |
 524         xargs -r rm -rf
 525
 526       # Remove any files/dirs that live outside of "lib" directories,
 527       # or are not in our list of changed includes.
 528       find dpkg -mindepth 1 -regextype posix-extended \
 529           "(" -name DEBIAN -o -name lib -o -regex "dpkg/($includes)" ")" \
 530           -prune -o -print | tac |
 531         xargs -r -n 1 sh -c "rm \$0 2>/dev/null || rmdir \$0 2>/dev/null || : "
 532       find dpkg -name lib64 -o -name bin -o -name "?bin" |
 533         tac | xargs -r rm -rf
 534
 535       # Remove any symbolic links that were broken by the above steps.
 536       find -L dpkg -type l -print | tac | xargs -r rm -rf
 537
 538       # Rename lib to lib32, but keep debug symbols in /usr/lib/debug/usr/lib32
 539       # That is where gdb looks for them.
 540       find dpkg -type d -o -path "*/lib/*" -print |
 541         xargs -r -n 1 sh -c "
 542           i=\$(echo \"\${0}\" |
 543                sed -e s,/lib/,/lib32/,g \
 544                -e s,/usr/lib32/debug\\\\\(.*/lib32\\\\\),/usr/lib/debug\\\\1,);
 545           mkdir -p \"\${i%/*}\";
 546           mv \"\${0}\" \"\${i}\""
 547
 548       # Rename include to include32.
 549       [ -d "dpkg/usr/include" ] && mv "dpkg/usr/include" "dpkg/usr/include32"
 550
 551       # Prune any empty directories
 552       find dpkg -type d | tac | xargs -r -n 1 rmdir 2>/dev/null || :
 553
 554       # Create our own Debian package
 555       cd ..
 556       dpkg --build staging/dpkg .' 2>&1)"
 557     compat="$(eval echo $(echo "${compat}" |
 558                           sed -e 's,_[^_/]*_amd64.deb,_*_amd64.deb,'))"
 559     [ -r "${compat}" ] || {
 560       echo "${msg}" >&2
 561       echo "Failed to build new Debian archive!" >&2
 562       exit 1
 563     }
 564
 565     msg="$(sudo dpkg -i "${compat}" 2>&1)" && {
 566         echo "Installed ${compat##*/}"
 567       } || {
 568         # echo "${msg}" >&2
 569         echo "Skipped ${compat##*/}"
 570       }
 571   done
 572
 573   # Add symbolic links for developing 32bit code
 574   echo "Adding missing symbolic links, enabling 32bit code development..."
 575   for i in $(find /lib32 /usr/lib32 -maxdepth 1 -name \*.so.\* |
 576              sed -e 's/[.]so[.][0-9].*/.so/' |
 577              sort -u); do
 578     [ "x${i##*/}" = "xld-linux.so" ] && continue
 579     [ -r "$i" ] && continue
 580     j="$(ls "$i."* | sed -e 's/.*[.]so[.]\([^.]*\)$/\1/;t;d' |
 581          sort -n | tail -n 1)"
 582     [ -r "$i.$j" ] || continue
 583     sudo ln -s "${i##*/}.$j" "$i"
 584   done
 585 fi