2011-03-14 20:19:44 +00:00
|
|
|
|
<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
|
|
|
|
|
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
|
|
|
|
|
|
2011-03-14 21:27:51 +00:00
|
|
|
|
<chapter id='adt-package'>
|
2011-03-15 14:08:29 +00:00
|
|
|
|
<title>Optionally Customizing the Development Packages Installation</title>
|
|
|
|
|
<para>
|
|
|
|
|
Because the Yocto Project is suited for embedded Linux development it is
|
|
|
|
|
likely that you will need to customize your development packages installation.
|
|
|
|
|
For example, if you are developing a minimal image then you might not need
|
|
|
|
|
certain packages (e.g. graphics support packages).
|
|
|
|
|
Thus, you would like to be able to remove those packages from your sysroot.
|
|
|
|
|
</para>
|
2011-03-14 20:19:44 +00:00
|
|
|
|
|
2011-03-15 14:08:29 +00:00
|
|
|
|
<section id='package-management-systems'>
|
|
|
|
|
<title>Package Management Systems</title>
|
|
|
|
|
<para>
|
|
|
|
|
The Yocto Project supports the generation of root filesystem files using
|
|
|
|
|
three different Package Management Systems (PMS):
|
|
|
|
|
<itemizedlist>
|
|
|
|
|
<listitem><para><emphasis>OPKG</emphasis> – A less well known PMS whose use
|
|
|
|
|
originated in the OpenEmbedded and OpenWrt embedded Linux projects.
|
|
|
|
|
This PMS works with files packaged in an <filename>.ipk</filename> format.
|
|
|
|
|
See <ulink url='http://en.wikipedia.org/wiki/Opkg'></ulink> for more
|
|
|
|
|
information about OPKG.</para></listitem>
|
|
|
|
|
<listitem><para><emphasis>RPM</emphasis> – A more widely known PMS intended for GNU/Linux
|
|
|
|
|
distributions.
|
|
|
|
|
This PMS works with files packaged in an <filename>.rms</filename> format.
|
|
|
|
|
The Yocto Project currently installs through this PMS by default.
|
|
|
|
|
See <ulink url='http://en.wikipedia.org/wiki/RPM_Package_Manager'></ulink>
|
|
|
|
|
for more information about RPM.</para></listitem>
|
|
|
|
|
<listitem><para><emphasis>Debian</emphasis> – The PMS for Debian-based systems
|
|
|
|
|
is built on many PMS tools.
|
|
|
|
|
The lower-level PMS tool dpkg forms the base of the Debian PMS.
|
|
|
|
|
For information on dpkg see
|
|
|
|
|
<ulink url='http://en.wikipedia.org/wiki/Dpkg'></ulink>.</para></listitem>
|
|
|
|
|
</itemizedlist>
|
|
|
|
|
</para>
|
|
|
|
|
</section>
|
2011-03-14 20:19:44 +00:00
|
|
|
|
|
2011-03-15 14:08:29 +00:00
|
|
|
|
<section id='configuring-the-pms'>
|
|
|
|
|
<title>Configuring the PMS</title>
|
|
|
|
|
<para>
|
|
|
|
|
Whichever PMS you are using you need to be sure that the
|
|
|
|
|
<filename>PACKAGE_CLASSES</filename> variable in the <filename>conf/local.conf</filename>
|
|
|
|
|
file is set to reflect that system.
|
|
|
|
|
The first value you choose for the variable specifies the package file format for the root
|
|
|
|
|
filesystem.
|
|
|
|
|
Additional values specify additional formats for convenience or testing.
|
|
|
|
|
See the configuration file for details.
|
|
|
|
|
</para>
|
2011-03-14 20:19:44 +00:00
|
|
|
|
<para>
|
2011-03-15 14:08:29 +00:00
|
|
|
|
As an example, consider a scenario where you are using OPKG and you want to add
|
|
|
|
|
the libglade package to sysroot.
|
2011-03-14 20:19:44 +00:00
|
|
|
|
</para>
|
|
|
|
|
<para>
|
2011-03-15 14:08:29 +00:00
|
|
|
|
First, you should generate the ipk file for the libglade package and add it
|
|
|
|
|
into a working opkg repository.
|
|
|
|
|
Use these commands:
|
|
|
|
|
<literallayout class='monospaced'>
|
|
|
|
|
$ bitbake libglade
|
|
|
|
|
$ bitbake package-index
|
|
|
|
|
</literallayout>
|
2011-03-14 20:19:44 +00:00
|
|
|
|
</para>
|
|
|
|
|
<para>
|
2011-03-15 14:08:29 +00:00
|
|
|
|
Next, source the environment setup script.
|
|
|
|
|
Follow that by setting up the installation destination to point to your
|
|
|
|
|
sysroot as <filename><sysroot dir></filename>.
|
|
|
|
|
Finally, have an opkg configuration file <filename><conf file></filename>
|
|
|
|
|
that corresponds to the opkg repository you have just created.
|
|
|
|
|
The following command forms should now work:
|
|
|
|
|
<literallayout class='monospaced'>
|
|
|
|
|
$ opkg-cl –f <conf file> -o <sysroot dir> update
|
|
|
|
|
$ opkg-cl –f <conf file>> -o <sysroot dir> --force-overwrite install libglade
|
|
|
|
|
$ opkg-cl –f <conf file> -o <sysroot dir> --force-overwrite install libglade-dbg
|
|
|
|
|
$ opkg-cl –f <conf file> -o <sysroot dir> --force-overwrite install libglade-dev
|
|
|
|
|
</literallayout>
|
2011-03-14 20:19:44 +00:00
|
|
|
|
</para>
|
|
|
|
|
</section>
|
|
|
|
|
</chapter>
|
|
|
|
|
<!--
|
|
|
|
|
vim: expandtab tw=80 ts=4
|
|
|
|
|
-->
|