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Revision as of 13:26, 14 July 2018

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Change URL to waterfall for new buildbot version
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= Buildbot =
= Buildbot =


We are using [http://buildbot.net/ Buildbot] to build the current development version of Octave on multiple systems in a number of different configurations.  Current status of the builds my be found at [http://buildbot.octave.org:8010/waterfall buildbot.octave.org:8010/waterfall].
We are using [http://buildbot.net/ Buildbot] to build the current development version of Octave on multiple systems in a number of different configurations.  Current status of the builds my be found at [http://buildbot.octave.org:8010/#/waterfall buildbot.octave.org:8010/#/waterfall].


== Systems and Configurations ==
== Systems and Configurations ==


The following systems and configurations are currently covered:
The following systems and configurations are currently covered for Octave builds:


{| class="wikitable"
{| class="wikitable"
|-
|-
! Builder ID !! Component !! Hg Version !! Build System !! Host System !! Compiler !! Build Options !! Frequency
! Builder ID !! Hg Version !! System !! Compiler !! Build Options !! Frequency
|-
|-
| clang-3.7-debian || Octave || default || Debian Testing || Debian || Clang 3.7 || Disable GraphicsMagick || Any Change
| clang-3.8-debian || default || Debian Testing || Clang 3.8 || Disable GraphicsMagick || Any Change
|-
|-
| clang-3.8-debian || Octave || default || Debian Testing || Debian || Clang 3.8 || Disable GraphicsMagick || Any Change
| clang-4.0-debian || default || Debian Testing || Clang 4.0 || || Any Change
|-
|-
| clang-3.9-debian || Octave || default || Debian Testing || Debian || Clang 3.9 || || Any Change
| clang-5.0-debian || default || Debian Testing || Clang 5.0 || || Any Change
|-
|-
| gcc-4.9-debian || Octave || default || Debian Testing || Debian || GCC 4.9 || Disable GraphicsMagick || Any Change
| clang-fedora || default || Fedora 25 || Clang (system default) || || Any Change
|-
|-
| gcc-5-debian || Octave || default || Debian Testing || Debian || GCC 5 || || Any Change
| clang-osx || default || OS X || Clang || || Any Change
|-
|-
| gcc-6-debian || Octave || default || Debian Testing || Debian || GCC 6 || || Any Change
| gcc-6-debian || default || Debian Testing || GCC 6 || || Any Change
|-
|-
| gcc-6-lto-debian || Octave || default || Debian Testing || Debian || GCC 6 || Enable link time optimization || Any Change
| gcc-7-debian || default || Debian Testing || GCC 7 || || Any Change
|-
|-
| no-extras-debian || Octave || default || Debian Testing || Debian || Clang 3.8 || Disable all optional dependencies || Any Change
| gcc-7-lto-debian || default || Debian Testing || GCC (system default) || || Any Change
|-
|-
| w32-on-debian || mxe-octave || default || Debian Testing || Windows || GCC || Windows 32 || Daily
| gcc-fedora || default || Fedora 25 || GCC (system default) || || Any Change
|-
|-
| w64-32-on-debian || mxe-octave || default || Debian Testing || Windows || GCC || Windows 64 || Daily
| gcc-lto-fedora || default || Fedora 25 || GCC (system default) || Enable link time optimization || Any Change
|-
| no-extras-debian || default || Debian Testing || GCC (system default) || Disable all optional dependencies || Any Change
|-
|}
 
And for mxe-octave:
 
{| class="wikitable"
|-
! Builder ID !! Hg Version !! Build System !! Host System !! Compiler !! Build Options !! Frequency
|-
| mxe-native-all-on-debian || default || Debian Testing || Debian || GCC (system default) || GNU Linux, build all dependencies || Daily
|-
| mxe-native-on-debian || default || Debian Testing || Debian || GCC (system default) || GNU Linux, use system compiler, fontconfig, and X11 libraries || Daily
|-
| w32-on-debian || default || Debian Testing || Windows || GCC (mxe-octave default) || Windows 32 || Daily
|-
| w32-stable-on-debian || stable || Debian Testing || Windows || GCC (mxe-octave default) || Windows 32 || Daily
|-
| w64-32-on-debian || default || Debian Testing || Windows || GCC (mxe-octave default) || Windows 64 || Daily
|-
| w64-32-stable-on-debian || stable || Debian Testing || Windows || GCC (mxe-octave default) || Windows 64 || Daily
|-
| w64-64-on-debian || default || Debian Testing || Windows || GCC (mxe-octave default) || Windows 64, 64-bit indexing || Daily
|-
|-
| w64-64-on-debian || mxe-octave || default || Debian Testing || Windows || GCC || Windows 64, 64-bit indexing || Daily
|}
|}


If you are interested in maintaining a buildbot slave for a different configuration, please contact the [mailto:octave-maintainers@gnu.org Octave Maintainers] mailing list.
== Build Slave Configuration ==
 
To run a build slave for Octave, you must do the following:
 
* Contact the [mailto:octave-maintainers@gnu.org Octave Maintainers] mailing list to let us know that you wish to provide a system to use as a build slave.
* Install buildbot.  Packages exist for most distributions.  See the buildbot docs for other options.  You should create a separate user account with no special privileges that will run buildbot.
* Create a configuration file (see below).
* Run buildbot on the slave system, preferably by starting it automatically when your system boots.  It should be running with the buildbot user ID.
 
You may also want to set up ccache to work with buildbot (strongly recommended to speed up builds).  If you create a directory ~/buildbot/bin, it will be added to the execution PATH when buildbot runs commands on the slave.  This directory can have symbolic links like the following:
 
<pre>
lrwxrwxrwx 1 buildbot buildbot 15 Aug 26 11:39 gcc -> /usr/bin/ccache
lrwxrwxrwx 1 buildbot buildbot 15 Aug 26 11:40 cc -> /usr/bin/ccache
lrwxrwxrwx 1 buildbot buildbot 15 Aug 26 11:40 c++ -> /usr/bin/ccache
lrwxrwxrwx 1 buildbot buildbot 15 Aug 31 23:46 gfortran -> /usr/bin/ccache
</pre>
 
They should point to the actual location of ccache if it is not in /usr/bin.
 
Your system may be behind a firewall.  It does not have to have a distinct public IP address.
 
=== Sample Slave Configuration File ===
 
You must edit the settings for basedir, slavename, and password.  The basedir should be the absolute and fully expanded name of the directory containing the configuration file.  For example, if the home directory for the buildbot user is /var/lib/buildbot and your slavename is set to 'debian-x86_64' , then basedir might be '/var/lib/buildbot/slaves/debian-x86_64'.  The password should not be anything valuable.  You'll be asked to provide the slavename and password so that they may be added to the master configuration on buildbot.octave.org.  Do '''not''' post the password to the octave-maintainers mailing list.
 
<pre>
import os
 
from buildslave.bot import BuildSlave
from twisted.application import service
 
basedir = '/PATH/TO/DIRECTORY/CONTAINING/THIS/CONFIGURATION/FILE'
rotateLength = 10000000
maxRotatedFiles = 10
 
# if this is a relocatable tac file, get the directory containing the TAC
if basedir == '.':
    import os.path
    basedir = os.path.abspath(os.path.dirname(__file__))
 
# note: this line is matched against to check that this is a buildslave
# directory; do not edit it.
application = service.Application('buildslave')
 
try:
  from twisted.python.logfile import LogFile
  from twisted.python.log import ILogObserver, FileLogObserver
  logfile = LogFile.fromFullPath(os.path.join(basedir, "twistd.log"), rotateLength=rotateLength,
                                maxRotatedFiles=maxRotatedFiles)
  application.setComponent(ILogObserver, FileLogObserver(logfile).emit)
except ImportError:
  # probably not yet twisted 8.2.0 and beyond, can't set log yet
  pass
 
buildmaster_host = 'buildbot.octave.org'
port = 9989
slavename = 'SLAVE-NAME'
passwd = 'PASSWORD'
keepalive = 600
usepty = 0
umask = None
maxdelay = 300
allow_shutdown = None
 
s = BuildSlave(buildmaster_host, port, slavename, passwd, basedir,
              keepalive, usepty, umask=umask, maxdelay=maxdelay,
              allow_shutdown=allow_shutdown)
s.setServiceParent(application)
</pre>
 
=== Space Requirements ===
 
Building Octave takes a significant amount of disk space.  With debugging symbols, you may need several GB for each build, plus room for ccache (possibly 50GB) if you use it.  If you use a cache size that is larger than the default, you'll need to specify that in the .ccache/ccache.conf file using a line like
 
<pre>
max_size = 50G
</pre>
 
If the directory containing the build and ccache directories doesn't have sufficient space, then these directory names may point to a separate partition that does have enough space available.
 
=== Starting the Slave ===
 
With everything in place, you can run the slave server with the following commands (assuming that your basedir is '/var/lib/buildbot/slaves/debian-x86_64').
 
<pre>
cd ~buildbot/slaves
sudo -u buildbot buildslave start debian-x86_64
</pre>
 
If successful, buildbot will respond with
 
<pre>
... FIXME ...
</pre>


= Hydra =
= Hydra =
Mmuetzel
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