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ref-manual: Added the 2.6 Migration Section.

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Provided some new sections on the information for migrating from the
2.5 release to the 2.6 release.

(From yocto-docs rev: dd721a31594c753d7229c45ebad0ce11640a0704)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark
2018-10-30 14:11:01 -07:00
committed by Richard Purdie
parent 53fa948ae3
commit 016e34a2e8
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@@ -5678,6 +5678,94 @@ id=f4d4f99cfbc2396e49c1613a7d237b9e57f06f81'>commit message</ulink>.
</para> </para>
</section> </section>
</section> </section>
<section id='moving-to-the-yocto-project-2.6-release'>
<title>Moving to the Yocto Project 2.6 Release</title>
<para>
This section provides migration information for moving to the
Yocto Project 2.6 Release from the prior release.
</para>
<section id='migration-2.5-automatic-testing-changes'>
<title>Automatic Testing Changes</title>
<para>
This section provides information about automatic testing
changes:
<itemizedlist>
<listitem><para>
<emphasis><filename>TEST_IMAGE</filename> Variable Removed:</emphasis>
Prior to this release, you set the
<filename>TEST_IMAGE</filename> variable to "1" to
enable automatic testing for successfully built images.
The <filename>TEST_IMAGE</filename> variable no longer
exists and has been replaced by the
<link linkend='var-TESTIMAGE_AUTO'><filename>TESTIMAGE_AUTO</filename></link>
variable.
</para></listitem>
<listitem><para>
<emphasis>Inheriting the <filename>testimage</filename> and
<filename>testsdk</filename> Classes:</emphasis>
Best practices now dictate that you use the
<link linkend='var-IMAGE_CLASSES'><filename>IMAGE_CLASSES</filename></link>
variable rather than the
<link linkend='var-INHERIT'><filename>INHERIT</filename></link>
variable when you inherit the
<link linkend='ref-classes-testimage*'><filename>testimage</filename></link>
and
<link linkend='ref-classes-testsdk'><filename>testsdk</filename></link>
classes used for automatic testing.
</para></listitem>
</itemizedlist>
</para>
</section>
<section id='migration-2.6-openssl-changes'>
<title>OpenSSL Changes</title>
<para>
<ulink url='https://www.openssl.org/'>OpenSSL</ulink> has been
upgraded from 1.0 to 1.1.
By default, this upgrade could cause problems for recipes that
have both versions their dependency chains.
The problem is that both versions cannot be installed together
at build time.
<note>
It is possible to have both versions of the library at runtime.
</note>
</para>
</section>
<section id='migration-2.6-bitbake-changes'>
<title>BitBake Changes</title>
<para>
The "_remove" operator now preserves whitespace.
</para>
</section>
<section id='migration-2.6-security-changes'>
<title>Security Changes</title>
<para>
The Poky distribution now uses security compiler files by
default.
Inclusion of these files could cause new failures due to stricter
checking for various potential security issues in code.
</para>
</section>
<section id='migration-2.6-post-installation-changes'>
<title>Post Installation Changes</title>
<para>
You must explicitly mark post installs to defer to the target.
Warnings in the previous Yocto Project releases have become
errors.
</para>
</section>
</section>
</chapter> </chapter>
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