Add documentation for linux sysroot images

Add documentation for linux sysroot images

Committed: https://crrev.com/30e4728b9ca8623ad6d7ce4bc29b781831969e40
Cr-Commit-Position: refs/heads/master@{#379164}

[Sam Clegg, 2016-03-03 23:45:59]

Description was changed from

==========
Add documentation for linux sysroot maintenance
==========

to

==========
Add documentation for linux sysroot images
==========

[Sam Clegg, 2016-03-03 23:45:59]

sbc@chromium.org changed reviewers:
+ thestig@chromium.org

[Sam Clegg, 2016-03-03 23:46:37]

sbc@chromium.org changed reviewers:
+ binji@chromium.org

[Sam Clegg, 2016-03-03 23:46:38]

+binji since thestig is OOO

[binji, 2016-03-03 23:54:08]

lgtm

https://codereview.chromium.org/1761123002/diff/60001/docs/linux_sysroot.md
File docs/linux_sysroot.md (right):

https://codereview.chromium.org/1761123002/diff/60001/docs/linux_sysroot.md#n...
docs/linux_sysroot.md:4: rather than building against the libraries installed in
on the host system.
installed on

https://codereview.chromium.org/1761123002/diff/60001/docs/linux_sysroot.md#n...
docs/linux_sysroot.md:8: arise for variations amoung developer's systems.
among

https://codereview.chromium.org/1761123002/diff/60001/docs/linux_sysroot.md#n...
docs/linux_sysroot.md:8: arise for variations amoung developer's systems.
developers'

https://codereview.chromium.org/1761123002/diff/60001/docs/linux_sysroot.md#n...
docs/linux_sysroot.md:24: The pre-built sysroot images occasionally needs to be
rebuilt.  For example, when
wrap at 80

https://codereview.chromium.org/1761123002/diff/60001/docs/linux_sysroot.md#n...
docs/linux_sysroot.md:33: $ ./sysroot-creator-wheezy.sh BuildSysrootAll
why wheezy? Are there other Debian images?

https://codereview.chromium.org/1761123002/diff/60001/docs/linux_sysroot.md#n...
docs/linux_sysroot.md:36: just one architecture use `BuildSysroot<arch>`.  For
example:
where do we get the arch list?

https://codereview.chromium.org/1761123002/diff/60001/docs/linux_sysroot.md#n...
docs/linux_sysroot.md:50: If not packages have changed then this script will
have no effect.
s/not/no

https://codereview.chromium.org/1761123002/diff/60001/docs/linux_sysroot.md#n...
docs/linux_sysroot.md:74: updating the `REVISION` and `SHA1SUM` variables in the
script
period at the end

[Sam Clegg, 2016-03-03 23:59:00]

The CQ bit was checked by sbc@chromium.org

[Sam Clegg, 2016-03-03 23:59:01]

The patchset sent to the CQ was uploaded after l-g-t-m from binji@chromium.org
Link to the patchset: https://codereview.chromium.org/1761123002/#ps80001
(title: " ")

[commit-bot: I haz the power, 2016-03-03 23:59:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1761123002/80001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1761123002/80001

[commit-bot: I haz the power, 2016-03-04 01:30:08]

Committed patchset #5 (id:80001)

[commit-bot: I haz the power, 2016-03-04 01:31:21]

Description was changed from

==========
Add documentation for linux sysroot images
==========

to

==========
Add documentation for linux sysroot images

Committed: https://crrev.com/30e4728b9ca8623ad6d7ce4bc29b781831969e40
Cr-Commit-Position: refs/heads/master@{#379164}
==========

[commit-bot: I haz the power, 2016-03-04 01:31:22]

Patchset 5 (id:??) landed as
https://crrev.com/30e4728b9ca8623ad6d7ce4bc29b781831969e40
Cr-Commit-Position: refs/heads/master@{#379164}