把chromiumos改到32位系统下编译，可行吗？

Question

make_chroot

1. #!/bin/bash
3. # Copyright (c) 2010 The Chromium OS 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.
7. # This script sets up a Gentoo chroot environment. The script is passed the
8. # path to an empty folder, which will be populated with a Gentoo stage3 and
9. # setup for development. Once created, the password is set to PASSWORD (below).
10. # One can enter the chrooted environment for work by running enter_chroot.sh.
12. # Load common constants.  This should be the first executable line.
13. # The path to common.sh should be relative to your script's location.
14. PROG=$(basename $0)
15. . "$(dirname "$0")/common.sh"
17. # Check if the host machine architecture is supported.
18. ARCHITECTURE="$(uname -m)"
19. if [[ "$ARCHITECTURE" = "x86_64" ]]; then
20.   echo "$PROG: $ARCHITECTURE is not supported as a host machine architecture."
21.   exit 1
22. fi
24. # Script must be run outside the chroot
25. assert_outside_chroot
27. # Define command line flags
28. # See http://code.google.com/p/shflags/wiki/Documentation10x
30. DEFINE_string chroot "$DEFAULT_CHROOT_DIR"
31.   "Destination dir for the chroot environment."
32. DEFINE_boolean crosstool $FLAGS_FALSE "Use crosstool toolchain."
33. DEFINE_boolean hardened $FLAGS_TRUE "Setup for a hardened toolchain."
34. DEFINE_boolean usepkg $FLAGS_TRUE "Use binary packages to bootstrap."
35. DEFINE_boolean delete $FLAGS_FALSE "Delete an existing chroot."
36. DEFINE_boolean replace $FLAGS_FALSE "Overwrite existing chroot, if any."
37. DEFINE_integer jobs -1 "How many packages to build in parallel at maximum."
38. DEFINE_boolean fast ${FLAGS_FALSE} "Call many emerges in parallel"
39. DEFINE_string stage3_date "2010.03.09"
40.   "Use the stage3 with the given date."
42. # Parse command line flags
43. FLAGS_HELP="usage: $0 [flags]"
44. FLAGS "$@" || exit 1
45. eval set -- "${FLAGS_ARGV}"
46. check_flags_only_and_allow_null_arg "$@" && set --
48. # Only now can we die on error.  shflags functions leak non-zero error codes,
49. # so will die prematurely if 'set -e' is specified before now.
50. # TODO: replace shflags with something less error-prone, or contribute a fix.
51. set -e
53. FULLNAME="ChromeOS Developer"
54. DEFGROUPS="eng,adm,cdrom,floppy,audio,video,portage"
55. PASSWORD=chronos
56. CRYPTED_PASSWD=$(perl -e 'print crypt($ARGV[0], "foo")', $PASSWORD)
58. USEPKG=""
59. if [[ $FLAGS_usepkg -eq $FLAGS_TRUE ]]; then
60.   # Use binary packages. Include all build-time dependencies,
61.   # so as to avoid unnecessary differences between source
62.   # and binary builds.
63.   USEPKG="--getbinpkg --usepkg --with-bdeps y"
64. fi
66. # Support faster build if necessary.
67. EMERGE_CMD="emerge"
68. if [ "$FLAGS_fast" -eq "${FLAGS_TRUE}" ]; then
69.   CHROOT_SCRIPTS_DIR="/home/${USER}/trunk/src/scripts"
70.   EMERGE_CMD="${CHROOT_SCRIPTS_DIR}/parallel_emerge"
71. fi
73. function in_chroot {
74.   sudo chroot "$FLAGS_chroot" "$@"
75. }
77. function bash_chroot {
78.   # Use $* not $@ since 'bash -c' needs a single arg
79.   # Use -l to force source of /etc/profile (login shell)
80.   sudo chroot "$FLAGS_chroot" bash -l -c "$*"
81. }
83. function cleanup {
84.   # Clean up mounts
85.   mount | grep "on $(readlink -f "$FLAGS_chroot")" | awk '{print $3}'
86.     | xargs -r -L1 sudo umount
87. }
89. function delete_existing {
90.   # Delete old chroot dir
91.   if [[ -e "$FLAGS_chroot" ]]; then
92.     echo "$PROG: Cleaning up old mount points..."
93.     cleanup
94.     echo "$PROG: Deleting $FLAGS_chroot..."
95.     sudo rm -rf "$FLAGS_chroot"
96.     echo "$PROG: Done."
97.   fi
98. }
100. function init_users () {
101.    echo "$PROG: Set timezone..."
102.    # date +%Z has trouble with daylight time, so use host's info
103.    if [ -f /etc/localtime ] ; then
104.       sudo cp /etc/localtime "${FLAGS_chroot}/etc"
105.    else
106.    in_chroot [ -f /usr/share/zoneinfo/$TZ ] || TZ=PST8PDT
107.      in_chroot rm -f /etc/localtime
108.      in_chroot ln -sf /usr/share/zoneinfo/PST8PDT /etc/localtime
109.    fi
110.    echo "$PROG: Adding user/group..."
111.    # Add ourselves as a user inside the chroot
112.    in_chroot groupadd -g 5000 eng
113.    in_chroot useradd -G ${DEFGROUPS} -g eng -u `id -u` -s
114.      /bin/bash -m -c "${FULLNAME}" -p ${CRYPTED_PASSWD} ${USER}
115. }
117. function init_setup () {
118.    echo "$PROG: Running init_setup()..."
119.    sudo mkdir -p "${FLAGS_chroot}/usr"
120.    sudo ln -sf "${CHROOT_TRUNK}/src/third_party/portage"
121.      "${FLAGS_chroot}/usr/portage"
122.    sudo mkdir -p "${FLAGS_chroot}/usr/local/portage"
123.    sudo chmod 755 "${FLAGS_chroot}/usr/local/portage"
124.    if [[ $FLAGS_crosstool -eq $FLAGS_TRUE ]]; then
125.       sudo ln -sf "${CHROOT_TRUNK}/src/third_party/crosstool-overlay"
126.         "${FLAGS_chroot}"/"${CHROOT_CROSSTOOL_OVERLAY}"
127.    else
128.      if [[ $FLAGS_hardened -eq $FLAGS_TRUE ]]; then
129.        sudo ln -sf "${CHROOT_TRUNK}/src/third_party/hardened-dev"
130.        "${FLAGS_chroot}"/"${CHROOT_HARDENED_OVERLAY}"
131.      fi
132.    fi
133.    sudo ln -sf "${CHROOT_TRUNK}/src/third_party/chromiumos-overlay"
134.      "${FLAGS_chroot}"/"${CHROOT_OVERLAY}"
136.    # Some operations need an mtab
137.    in_chroot ln -s /proc/mounts /etc/mtab
139.    # Set up sudoers.  Inside the chroot, the user can sudo without a password.
140.    # (Safe enough, since the only way into the chroot is to 'sudo chroot', so
141.    # the user's already typed in one sudo password...)
142.    bash_chroot "echo %adm ALL=(ALL) ALL >> /etc/sudoers"
143.    bash_chroot "echo $USER ALL=NOPASSWD: ALL >> /etc/sudoers"
144.    bash_chroot chmod 0440 /etc/sudoers
145.    bash_chroot chown root:root /etc/sudoers # Fix bad group on some systems
147.    echo "$PROG: Setting up hosts/resolv..."
148.    # Copy config from outside chroot into chroot
149.    sudo cp /etc/hosts "$FLAGS_chroot/etc/hosts"
150.    sudo chmod 0644 "$FLAGS_chroot/etc/hosts"
151.    sudo cp /etc/resolv.conf "$FLAGS_chroot/etc/resolv.conf"
152.    sudo chmod 0644 "$FLAGS_chroot/etc/resolv.conf"
154.    # Setup host make.conf. This includes any overlay that we may be using
155.    # and a pointer to pre-built packages.
156.    # TODO: This should really be part of a profile in the portage
157.    echo "$PROG: Setting up /etc/make.*..."
158.    sudo mv "${FLAGS_chroot}"/etc/make.conf{,.orig}
159.    if [[ $FLAGS_crosstool -eq $FLAGS_TRUE ]]; then
160.       sudo ln -sf "${CHROOT_CONFIG}/make-crosstool.conf.amd64-host"
161.         "${FLAGS_chroot}/etc/make.conf"
162.    else
163.      if [[ $FLAGS_hardened -eq $FLAGS_TRUE ]]; then
164.        sudo ln -sf "${CHROOT_CONFIG}/make-hardened.conf.amd64-host"
165.        "${FLAGS_chroot}/etc/make.conf"
166.      else
167.        sudo ln -sf "${CHROOT_CONFIG}/make.conf.amd64-host"
168.        "${FLAGS_chroot}/etc/make.conf"
169.      fi
170.    fi
171.    sudo mv "${FLAGS_chroot}"/etc/make.profile{,.orig}
172.    sudo ln -sf "${CHROOT_OVERLAY}/profiles/default/linux/amd64/10.0"
173.      "${FLAGS_chroot}/etc/make.profile"
175.    # Create make.conf.user
176.    sudo touch "${FLAGS_chroot}"/etc/make.conf.user
178.    # Create directories referred to by our conf files.
179.    sudo mkdir -p "${FLAGS_chroot}/var/lib/portage/distfiles"
180.    sudo mkdir -p "${FLAGS_chroot}/var/lib/portage/pkgs"
182.    if [[ $FLAGS_jobs -ne -1 ]]; then
183.      EMERGE_JOBS="--jobs=$FLAGS_jobs"
184.    fi
186.    # Configure basic stuff needed
187.    in_chroot env-update
188.    bash_chroot ls -l /etc/make.conf
189.    bash_chroot ls -l /etc/make.profile
190.    bash_chroot ls -l /usr/local/portage/chromiumos/profiles/default/linux/amd64/10.0
192.    # Niceties for interactive logins ('enter_chroot.sh'); these are ignored
193.    # when specifying a command to enter_chroot.sh.
194.    # Warn less when apt-get installing packqages
195.    echo "export LANG=C" >> "$FLAGS_chroot/home/$USER/.bashrc"
196.    echo "export PS1="(cros-chroot) $PS1"" >> "$FLAGS_chroot/home/$USER/.bashrc"
197.    chmod a+x "$FLAGS_chroot/home/$USER/.bashrc"
198.    # Automatically change to scripts directory
199.    echo "cd trunk/src/scripts" >> "$FLAGS_chroot/home/$USER/.bash_profile"
201.    # Enable bash completion for build scripts
202.    echo ". bash_completion" >> "$FLAGS_chroot/home/$USER/.bash_profile"
204.    # Warn if attempting to use source control commands inside the chroot
205.    for NOUSE in svn gcl gclient
206.    do
207.      echo "alias $NOUSE='echo In the chroot, it is a bad idea to run $NOUSE'"
208.        >> "$FLAGS_chroot/home/$USER/.bash_profile"
209.    done
211.    if [[ "$USER" = "chrome-bot" ]]; then
212.      # Copy ssh keys, so chroot'd chrome-bot can scp files from chrome-web.
213.      cp -r ~/.ssh "$FLAGS_chroot/home/$USER/"
214.    fi
215. }
217. # Handle deleting an existing environment
218. if [[ $FLAGS_delete  -eq $FLAGS_TRUE ||
219.       $FLAGS_replace -eq $FLAGS_TRUE ]]; then
220.   delete_existing
221.   [[ $FLAGS_delete -eq $FLAGS_TRUE ]] && exit 0
222. fi
224. CHROOT_TRUNK="${CHROOT_TRUNK_DIR}"
225. PORTAGE="${SRC_ROOT}/third_party/portage"
226. OVERLAY="${SRC_ROOT}/third_party/chromiumos-overlay"
227. CONFIG_DIR="${OVERLAY}/chromeos/config"
228. CHROOT_CONFIG="${CHROOT_TRUNK}/src/third_party/chromiumos-overlay/chromeos/config"
229. CHROOT_OVERLAY="/usr/local/portage/chromiumos"
230. CHROOT_STATE="${FLAGS_chroot}/etc/debian_chroot"
231. CHROOT_HARDENED_OVERLAY="/usr/local/portage/hardened-dev"
232. CHROOT_CROSSTOOL_OVERLAY="/usr/local/portage/crosstool-overlay"
234. # Create the base Gentoo stage3 based on last version put in chroot
235. STAGE3="${OVERLAY}/chromeos/stage3/stage3-i686-${FLAGS_stage3_date}.tar.bz2"
236. if [ -f $CHROOT_STATE ] &&
237.   ! sudo egrep -q "^STAGE3=$STAGE3" $CHROOT_STATE >/dev/null 2>&1
238. then
239.   echo "$PROG: STAGE3 version has changed."
240.   delete_existing
241. fi
243. # Create the destination directory
244. mkdir -p "$FLAGS_chroot"
246. echo
247. if [ -f $CHROOT_STATE ]
248. then
249.   echo "$PROG: STAGE3 already set up.  Skipping..."
250. else
251.   echo "$PROG: Unpacking STAGE3..."
252.   sudo tar xjp -C "$FLAGS_chroot" -f "$STAGE3"
253. fi
255. # Set up users, if needed, before mkdir/mounts below
256. [ -f $CHROOT_STATE ] || init_users
258. echo
259. echo "$PROG: Setting up mounts..."
260. # Set up necessary mounts and make sure we clean them up on exit
261. trap cleanup EXIT
262. sudo mkdir -p "${FLAGS_chroot}/${CHROOT_TRUNK}"
263. sudo mount --bind "${GCLIENT_ROOT}" "${FLAGS_chroot}/${CHROOT_TRUNK}"
264. sudo mount none -t proc "$FLAGS_chroot/proc"
265. sudo mount none -t devpts "$FLAGS_chroot/dev/pts"
267. if [ -f $CHROOT_STATE ];then
268.   echo "$PROG: chroot already initialized.  Skipping..."
269. else
270.   # run all the init stuff to setup the env
271.   init_setup
272. fi
274. # Add file to indicate that it is a chroot
275. # Add version of $STAGE3 for update checks
276. sudo sh -c "echo STAGE3=$STAGE3 > $CHROOT_STATE"
278. echo "$PROG: Running emerge portage"
279. bash_chroot emerge -uNv $USEPKG portage $EMERGE_JOBS
281. echo "$PROG: Running emerge world ccache crossdev etc ..."
282. bash_chroot $EMERGE_CMD -uDNv $USEPKG world
283.     ccache crossdev crossdev-wrappers sudo $EMERGE_JOBS
285. echo "PATH=$PATH:/home/$USER/depot_tools" >>
286.   "${FLAGS_chroot}/home/$USER/.bashrc"
288. # Unmount trunk
289. sudo umount "${FLAGS_chroot}/${CHROOT_TRUNK}"
291. # Clean up the chroot mounts
292. trap - EXIT
293. cleanup
295. if [[ "$FLAGS_chroot" = "$DEFAULT_CHROOT_DIR" ]]; then
296.   CHROOT_EXAMPLE_OPT=""
297. else
298.   CHROOT_EXAMPLE_OPT="--chroot=$FLAGS_chroot"
299. fi
301. print_time_elapsed
303. echo
304. echo "$PROG: All set up.  To enter the chroot, run:"
305. echo "$PROG: $ $SCRIPTS_DIR/enter_chroot.sh $CHROOT_EXAMPLE_OPT"
306. echo ""
307. echo "CAUTION: Do *NOT* rm -rf the chroot directory; if there are stale bind"
308. echo "mounts you may end up deleting your source tree too.  To unmount and"
309. echo "delete the chroot cleanly, use:"
310. echo "$ $0 --delete $CHROOT_EXAMPLE_OPT"

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Answer 1

回复 8# qing

    我是去年才出来那会儿编译的,变化到没去注意过.不好意思.

Answer 2

回复 6# prolj

     具体哪部分呢。。

Answer 3

回复 7# snail_314

    以前是可以。现在新的变了。。说说你是什么时候编译过的。。

Answer 4

我就在x86 32bit平台下遍过啊，还跑了的，没什么问题啊

Answer 5

不是我说的，我只感冒其中的client部分。

Answer 6

1. >>> Emerging (1 of 1) chromeos-base/kernel-headers-0.0.1-r1 from chromiumos for /build/x86-generic/
2. * CPV:  chromeos-base/kernel-headers-0.0.1-r1
3. * REPO: chromiumos
4. * USE:  elibc_glibc kernel_linux userland_GNU x86
5. >>> Unpacking source...
6. * Using kernel files: /home/qing/trunk/src/third_party/kernel/files
7. >>> Source unpacked in /build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/work
8. >>> Preparing source in /build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/work/kernel-headers-0.0.1 ...
9. >>> Source prepared.
10. >>> Configuring source in /build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/work/kernel-headers-0.0.1 ...
11. * Nothing to configure.
12. >>> Source configured.
13. >>> Compiling source in /build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/work/kernel-headers-0.0.1 ...
14. * Nothing to compile.
15. >>> Source compiled.
16. >>> Test phase [not enabled]: chromeos-base/kernel-headers-0.0.1-r1
18. >>> Install kernel-headers-0.0.1-r1 into /build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/image/ category chromeos-base
19. make -j1 ARCH=i386 CROSS_COMPILE=i686-pc-linux-gnu- INSTALL_HDR_PATH=/build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/image//usr headers_install
20.   CHK     include/linux/version.h
21.   UPD     include/linux/version.h
22.   HOSTCC  scripts/basic/fixdep
23. In file included from /build/x86-generic/usr/include/bits/posix1_lim.h:157,
24.                  from /build/x86-generic/usr/include/limits.h:145,
25.                  from /usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include-fixed/limits.h:122,
26.                  from /usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include-fixed/syslimits.h:7,
27.                  from /usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include-fixed/limits.h:11,
28.                  from scripts/basic/fixdep.c:114:
29. /build/x86-generic/usr/include/bits/local_lim.h:39:26: error: linux/limits.h: No such file or directory
30. In file included from /build/x86-generic/usr/include/sys/socket.h:40,
31.                  from /build/x86-generic/usr/include/netinet/in.h:25,
32.                  from /build/x86-generic/usr/include/arpa/inet.h:23,
33.                  from scripts/basic/fixdep.c:116:
34. /build/x86-generic/usr/include/bits/socket.h:364:24: error: asm/socket.h: No such file or directory
35. scripts/basic/fixdep.c: In function 'use_config':
36. scripts/basic/fixdep.c:204: error: 'PATH_MAX' undeclared (first use in this function)
37. scripts/basic/fixdep.c:204: error: (Each undeclared identifier is reported only once
38. scripts/basic/fixdep.c:204: error: for each function it appears in.)
39. scripts/basic/fixdep.c:204: warning: unused variable 's'
40. scripts/basic/fixdep.c: In function 'parse_dep_file':
41. scripts/basic/fixdep.c:304: error: 'PATH_MAX' undeclared (first use in this function)
42. scripts/basic/fixdep.c:304: warning: unused variable 's'
43. make[1]: *** [scripts/basic/fixdep] Error 1
44. make: *** [scripts_basic] Error 2
45. * ERROR: chromeos-base/kernel-headers-0.0.1-r1 failed:
46. *   (no error message)
47. *
48. * Call stack:
49. *     ebuild.sh, line  54:  Called src_install
50. *   environment, line 890:  Called die
51. * The specific snippet of code:
52. *       emake ARCH=$(tc-arch-kernel) CROSS_COMPILE="${CHOST}-" INSTALL_HDR_PATH="${D}"/usr headers_install || die;
53. *
54. * If you need support, post the output of 'emerge --info =chromeos-base/kernel-headers-0.0.1-r1',
55. * the complete build log and the output of 'emerge -pqv =chromeos-base/kernel-headers-0.0.1-r1'.
56. * This ebuild is from an overlay named 'chromiumos': '/home/qing/trunk/src/third_party/chromiumos-overlay/'
57. * The complete build log is located at '/build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/temp/build.log'.
58. * The ebuild environment file is located at '/build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/temp/environment'.
59. * S: '/build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/work/kernel-headers-0.0.1'
61. >>> Failed to emerge chromeos-base/kernel-headers-0.0.1-r1 for /build/x86-generic/, Log file:
63. >>>  '/build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/temp/build.log'
65. * Messages for package chromeos-base/kernel-headers-0.0.1-r1 merged to /build/x86-generic/:
67. * Using kernel files: /home/qing/trunk/src/third_party/kernel/files
68. * Nothing to configure.
69. * Nothing to compile.
70. * ERROR: chromeos-base/kernel-headers-0.0.1-r1 failed:
71. *   (no error message)
72. *
73. * Call stack:
74. *     ebuild.sh, line  54:  Called src_install
75. *   environment, line 890:  Called die
76. * The specific snippet of code:
77. *       emake ARCH=$(tc-arch-kernel) CROSS_COMPILE="${CHOST}-" INSTALL_HDR_PATH="${D}"/usr headers_install || die;
78. *
79. * If you need support, post the output of 'emerge --info =chromeos-base/kernel-headers-0.0.1-r1',
80. * the complete build log and the output of 'emerge -pqv =chromeos-base/kernel-headers-0.0.1-r1'.
81. * This ebuild is from an overlay named 'chromiumos': '/home/qing/trunk/src/third_party/chromiumos-overlay/'
82. * The complete build log is located at '/build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/temp/build.log'.
83. * The ebuild environment file is located at '/build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/temp/environment'.
84. * S: '/build/x86-generic/tmp/portage/chromeos-base/kernel-headers-0.0.1-r1/work/kernel-headers-0.0.1'

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Answer 7

/usr/local/bin/emerge-x86-generic kernel-headers

Answer 8

回复 2# prolj

    谁说的。。今天做到 setup_board --board=x86-generic

>>> Emerging (1 of 1) chromeos-base/kernel-headers-0.0.1-r1 from chromiumos for /build/x86-generic/

卡住了。。

Answer 9

google博客上有人说可行，你可以搜一下。