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ref-manual: Edits to siteinfo class. 

(From yocto-docs rev: 6be23e9efacf2025d1ca337b98dc52bd4ab65477)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark 2013-12-05 15:20:01 -06:00 committed by Richard Purdie
parent 9407e718c1
commit 5f85440bd5
1 changed files with 18 additions and 9 deletions
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27
documentation/ref-manual/ref-classes.xml
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@ -2394,16 +2394,23 @@
</section>
<section id='ref-classes-siteinfo'>
<title>Autotools Configuration Data Cache - <filename>siteinfo.bbclass</filename></title>
<title><filename>siteinfo.bbclass</filename></title>
<para>
Autotools can require tests that must execute on the target hardware.
Since this is not possible in general when cross compiling, site information is
used to provide cached test results so these tests can be skipped over but
still make the correct values available.
The <filename><link linkend='structure-meta-site'>meta/site directory</link></filename>
contains test results sorted into different categories such as architecture, endianness, and
the <filename>libc</filename> used.
The <filename>siteinfo</filename> class provides information about
the targets that might be needed by other classes or recipes.
</para>
<para>
As an example, consider Autotools, which can require tests that must
execute on the target hardware.
Since this is not possible in general when cross compiling, site
information is used to provide cached test results so these tests can
be skipped over but still make the correct values available.
The
<filename><link linkend='structure-meta-site'>meta/site directory</link></filename>
contains test results sorted into different categories such as
architecture, endianness, and the <filename>libc</filename> used.
Site information provides a list of files containing data relevant to
the current build in the
<filename><link linkend='var-CONFIG_SITE'>CONFIG_SITE</link></filename> variable
@ -2418,7 +2425,9 @@
</para>
<para>
Because this class is included from <filename>base.bbclass</filename>, it is always active.
Because the
<link linkend='ref-classes-base'><filename>base</filename></link> class
includes the <filename>siteinfo</filename> class, it is always active.
</para>
</section>