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sdk-manual: Removed all references to Eclipse
One Neon appendix completely removed. One other chapter removed that held the latest version of Eclipse use removed. A figure was also removed. (From yocto-docs rev: 03524fc363f9232a2ed45d10688ddeb0439b0917) Signed-off-by: Scott Rifenbark <srifenbark@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Scott Rifenbark
Richard Purdie
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<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"
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[<!ENTITY % poky SYSTEM "../poky.ent"> %poky; ] >
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<appendix id='sdk-appendix-neon-yp-eclipse-plug-in'>
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<title>Using <trademark class='trade'>Eclipse</trademark> Neon</title>
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<para>
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This release of the Yocto Project supports both the Oxygen and Neon
|
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versions of the Eclipse IDE.
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This appendix presents information that describes how to obtain and
|
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configure the Neon version of Eclipse.
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It also provides a basic project example that you can work through
|
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from start to finish.
|
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For general information on using the Eclipse IDE and the Yocto
|
||||
Project Eclipse Plug-In, see the
|
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"<link linkend='application-development-workflow-using-eclipse'>Application Development Workflow Using <trademark class='trade'>Eclipse</trademark></link>"
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section.
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</para>
|
||||
|
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<section id='neon-setting-up-the-eclipse-ide'>
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<title>Setting Up the Neon Version of the Eclipse IDE</title>
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|
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<para>
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To develop within the Eclipse IDE, you need to do the following:
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||||
<orderedlist>
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||||
<listitem><para>Install the Neon version of the Eclipse
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IDE.</para></listitem>
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<listitem><para>Configure the Eclipse IDE.
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</para></listitem>
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<listitem><para>Install the Eclipse Yocto Plug-in.
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</para></listitem>
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<listitem><para>Configure the Eclipse Yocto Plug-in.
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</para></listitem>
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||||
</orderedlist>
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||||
<note>
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Do not install Eclipse from your distribution's package
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repository.
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Be sure to install Eclipse from the official Eclipse
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||||
download site as directed in the next section.
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||||
</note>
|
||||
</para>
|
||||
|
||||
<section id='neon-installing-eclipse-ide'>
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<title>Installing the Neon Eclipse IDE</title>
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<para>
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Follow these steps to locate, install, and configure
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Neon Eclipse:
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<orderedlist>
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<listitem><para><emphasis>Locate the Neon Download:</emphasis>
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Open a browser and go to
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<ulink url='http://www.eclipse.org/neon/'>http://www.eclipse.org/neon/</ulink>.
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</para></listitem>
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<listitem><para><emphasis>Download the Tarball:</emphasis>
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Click the "Download" button and look for the
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"Eclipse IDE for C/C++ Developers" Neon 3 Package.
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Select the correct platform download link listed at
|
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the right.
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For example, click on "64-bit" next to Linux if your
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build host is running a 64-bit Linux distribution.
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Click through the process to save the file.
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||||
</para></listitem>
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||||
<listitem><para><emphasis>Unpack the Tarball:</emphasis>
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||||
Move to a directory and unpack the tarball.
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||||
The following commands unpack the tarball into the
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home directory:
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<literallayout class='monospaced'>
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$ cd ~
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$ tar -xzvf ~/Downloads/eclipse-cpp-neon-3-linux-gtk-x86_64.tar.gz
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</literallayout>
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Everything unpacks into a folder named "Eclipse".
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</para></listitem>
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<listitem><para><emphasis>Launch Eclipse:</emphasis>
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The following commands launch Eclipse assuming you
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unpacked it in your home directory:
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<literallayout class='monospaced'>
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$ cd ~/eclipse
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$ ./eclipse
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</literallayout>
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Accept the default "workspace" once Eclipse launches.
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</para></listitem>
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</orderedlist>
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</para>
|
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</section>
|
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|
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<section id='neon-configuring-the-neon-eclipse-ide'>
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<title>Configuring the Neon Eclipse IDE</title>
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|
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<para>
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Follow these steps to configure the Neon Eclipse IDE.
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<note><title>Notes</title>
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||||
<itemizedlist>
|
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<listitem><para>
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Depending on how you installed Eclipse and what
|
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you have already done, some of the options do
|
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not appear.
|
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If you cannot find an option as directed by the
|
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manual, it has already been installed.
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</para></listitem>
|
||||
<listitem><para>
|
||||
If you want to see all options regardless of
|
||||
whether they are installed or not, deselect the
|
||||
"Hide items that are already installed"
|
||||
check box.
|
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</para></listitem>
|
||||
</itemizedlist>
|
||||
</note>
|
||||
<orderedlist>
|
||||
<listitem><para>Be sure Eclipse is running and
|
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you are in your workbench.
|
||||
</para></listitem>
|
||||
<listitem><para>Select "Install New Software" from
|
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the "Help" pull-down menu.
|
||||
</para></listitem>
|
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<listitem><para>Select
|
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"Neon - http://download.eclipse.org/releases/neon"
|
||||
from the "Work with:" pull-down menu.
|
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</para></listitem>
|
||||
<listitem><para>Expand the box next to
|
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"Linux Tools" and select the following
|
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<literallayout class='monospaced'>
|
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C/C++ Remote (Over TCF/TE) Run/Debug Launcher
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TM Terminal
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</literallayout>
|
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</para></listitem>
|
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<listitem><para>Expand the box next to "Mobile and
|
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Device Development" and select the following
|
||||
boxes:
|
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<literallayout class='monospaced'>
|
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C/C++ Remote (Over TCF/TE) Run/Debug Launcher
|
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Remote System Explorer User Actions
|
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TM Terminal
|
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TCF Remote System Explorer add-in
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TCF Target Explorer
|
||||
</literallayout>
|
||||
</para></listitem>
|
||||
<listitem><para>Expand the box next to
|
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"Programming Languages" and select the
|
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following box:
|
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<literallayout class='monospaced'>
|
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C/C++ Development Tools SDK
|
||||
</literallayout>
|
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</para></listitem>
|
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<listitem><para>
|
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Complete the installation by clicking through
|
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appropriate "Next" and "Finish" buttons.
|
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</para></listitem>
|
||||
</orderedlist>
|
||||
</para>
|
||||
</section>
|
||||
|
||||
<section id='neon-installing-the-eclipse-yocto-plug-in'>
|
||||
<title>Installing or Accessing the Neon Eclipse Yocto Plug-in</title>
|
||||
|
||||
<para>
|
||||
You can install the Eclipse Yocto Plug-in into the Eclipse
|
||||
IDE one of two ways: use the Yocto Project's Eclipse
|
||||
Update site to install the pre-built plug-in or build and
|
||||
install the plug-in from the latest source code.
|
||||
</para>
|
||||
|
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<section id='neon-new-software'>
|
||||
<title>Installing the Pre-built Plug-in from the Yocto Project Eclipse Update Site</title>
|
||||
|
||||
<para>
|
||||
To install the Neon Eclipse Yocto Plug-in from the update
|
||||
site, follow these steps:
|
||||
<orderedlist>
|
||||
<listitem><para>Start up the Eclipse IDE.
|
||||
</para></listitem>
|
||||
<listitem><para>In Eclipse, select "Install New
|
||||
Software" from the "Help" menu.
|
||||
</para></listitem>
|
||||
<listitem><para>Click "Add..." in the "Work with:"
|
||||
area.
|
||||
</para></listitem>
|
||||
<listitem><para>Enter
|
||||
<filename>&ECLIPSE_DL_PLUGIN_URL;/neon</filename>
|
||||
in the URL field and provide a meaningful name
|
||||
in the "Name" field.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "OK" to have the entry automatically
|
||||
populate the "Work with:" field and to have
|
||||
the items for installation appear in the window
|
||||
below.
|
||||
</para></listitem>
|
||||
<listitem><para>Check the boxes next to the following:
|
||||
<literallayout class='monospaced'>
|
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Yocto Project SDK Plug-in
|
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Yocto Project Documentation plug-in
|
||||
</literallayout>
|
||||
</para></listitem>
|
||||
<listitem><para>Complete the remaining software
|
||||
installation steps and then restart the Eclipse
|
||||
IDE to finish the installation of the plug-in.
|
||||
<note>
|
||||
You can click "OK" when prompted about
|
||||
installing software that contains unsigned
|
||||
content.
|
||||
</note>
|
||||
</para></listitem>
|
||||
</orderedlist>
|
||||
</para>
|
||||
</section>
|
||||
|
||||
<section id='neon-zip-file-method'>
|
||||
<title>Installing the Plug-in Using the Latest Source Code</title>
|
||||
|
||||
<para>
|
||||
To install the Neon Eclipse Yocto Plug-in from the latest
|
||||
source code, follow these steps:
|
||||
<orderedlist>
|
||||
<listitem><para>
|
||||
Be sure your build host has JDK version 1.8
|
||||
or greater.
|
||||
On a Linux build host you can determine the
|
||||
version using the following command:
|
||||
<literallayout class='monospaced'>
|
||||
$ java -version
|
||||
</literallayout>
|
||||
</para></listitem>
|
||||
<listitem><para>install X11-related packages:
|
||||
<literallayout class='monospaced'>
|
||||
$ sudo apt-get install xauth
|
||||
</literallayout>
|
||||
</para></listitem>
|
||||
<listitem><para>In a new terminal shell, create a Git
|
||||
repository with:
|
||||
<literallayout class='monospaced'>
|
||||
$ cd ~
|
||||
$ git clone git://git.yoctoproject.org/eclipse-yocto
|
||||
</literallayout>
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Use Git to create the correct tag:
|
||||
<literallayout class='monospaced'>
|
||||
$ cd ~/eclipse-yocto
|
||||
$ git checkout -b neon/&DISTRO_NAME_NO_CAP; remotes/origin/neon/&DISTRO_NAME_NO_CAP;
|
||||
</literallayout>
|
||||
This creates a local tag named
|
||||
<filename>neon/&DISTRO_NAME_NO_CAP;</filename>
|
||||
based on the branch
|
||||
<filename>origin/neon/&DISTRO_NAME_NO_CAP;</filename>.
|
||||
You are put into a detached HEAD state,
|
||||
which is fine since you are only going to
|
||||
be building and not developing.
|
||||
</para></listitem>
|
||||
<listitem><para>Change to the
|
||||
<filename>scripts</filename>
|
||||
directory within the Git repository:
|
||||
<literallayout class='monospaced'>
|
||||
$ cd scripts
|
||||
</literallayout>
|
||||
</para></listitem>
|
||||
<listitem><para>Set up the local build environment
|
||||
by running the setup script:
|
||||
<literallayout class='monospaced'>
|
||||
$ ./setup.sh
|
||||
</literallayout>
|
||||
When the script finishes execution,
|
||||
it prompts you with instructions on how to run
|
||||
the <filename>build.sh</filename> script, which
|
||||
is also in the <filename>scripts</filename>
|
||||
directory of the Git repository created
|
||||
earlier.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Run the <filename>build.sh</filename>
|
||||
script as directed.
|
||||
Be sure to provide the tag name,
|
||||
documentation branch, and a release name.</para>
|
||||
|
||||
<para>Following is an example:
|
||||
<literallayout class='monospaced'>
|
||||
$ ECLIPSE_HOME=/home/scottrif/eclipse-yocto/scripts/eclipse ./build.sh -l neon/&DISTRO_NAME_NO_CAP; master yocto-&DISTRO; 2>&1 | tee build.log
|
||||
</literallayout>
|
||||
The previous example command adds the tag
|
||||
you need for
|
||||
<filename>neon/&DISTRO_NAME_NO_CAP;</filename>
|
||||
to <filename>HEAD</filename>, then tells
|
||||
the build script to use the local (-l) Git
|
||||
checkout for the build.
|
||||
After running the script, the file
|
||||
<filename>org.yocto.sdk-</filename><replaceable>release</replaceable><filename>-</filename><replaceable>date</replaceable><filename>-archive.zip</filename>
|
||||
is in the current directory.
|
||||
</para></listitem>
|
||||
<listitem><para>If necessary, start the Eclipse IDE
|
||||
and be sure you are in the Workbench.
|
||||
</para></listitem>
|
||||
<listitem><para>Select "Install New Software" from
|
||||
the "Help" pull-down menu.
|
||||
</para></listitem>
|
||||
<listitem><para>Click "Add".
|
||||
</para></listitem>
|
||||
<listitem><para>Provide anything you want in the
|
||||
"Name" field.
|
||||
</para></listitem>
|
||||
<listitem><para>Click "Archive" and browse to the
|
||||
ZIP file you built earlier.
|
||||
This ZIP file should not be "unzipped", and must
|
||||
be the <filename>*archive.zip</filename> file
|
||||
created by running the
|
||||
<filename>build.sh</filename> script.
|
||||
</para></listitem>
|
||||
<listitem><para>Click the "OK" button.
|
||||
</para></listitem>
|
||||
<listitem><para>Check the boxes that appear in
|
||||
the installation window to install the
|
||||
following:
|
||||
<literallayout class='monospaced'>
|
||||
Yocto Project SDK Plug-in
|
||||
Yocto Project Documentation plug-in
|
||||
</literallayout>
|
||||
</para></listitem>
|
||||
<listitem><para>Finish the installation by clicking
|
||||
through the appropriate buttons.
|
||||
You can click "OK" when prompted about
|
||||
installing software that contains unsigned
|
||||
content.
|
||||
</para></listitem>
|
||||
<listitem><para>Restart the Eclipse IDE if
|
||||
necessary.
|
||||
</para></listitem>
|
||||
</orderedlist>
|
||||
</para>
|
||||
|
||||
<para>
|
||||
At this point you should be able to configure the
|
||||
Eclipse Yocto Plug-in as described in the
|
||||
"<link linkend='neon-configuring-the-eclipse-yocto-plug-in'>Configuring the Neon Eclipse Yocto Plug-in</link>"
|
||||
section.</para>
|
||||
</section>
|
||||
</section>
|
||||
|
||||
<section id='neon-configuring-the-eclipse-yocto-plug-in'>
|
||||
<title>Configuring the Neon Eclipse Yocto Plug-In</title>
|
||||
|
||||
<para>
|
||||
Configuring the Neon Eclipse Yocto Plug-in involves setting the
|
||||
Cross Compiler options and the Target options.
|
||||
The configurations you choose become the default settings
|
||||
for all projects.
|
||||
You do have opportunities to change them later when
|
||||
you configure the project (see the following section).
|
||||
</para>
|
||||
|
||||
<para>
|
||||
To start, you need to do the following from within the
|
||||
Eclipse IDE:
|
||||
<orderedlist>
|
||||
<listitem><para>
|
||||
Choose "Preferences" from the
|
||||
"Window" menu to display the Preferences Dialog.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "Yocto Project SDK" to display
|
||||
the configuration screen.
|
||||
</para></listitem>
|
||||
</orderedlist>
|
||||
The following sub-sections describe how to configure the
|
||||
the plug-in.
|
||||
<note>
|
||||
Throughout the descriptions, a start-to-finish example for
|
||||
preparing a QEMU image for use with Eclipse is referenced
|
||||
as the "wiki" and is linked to the example on the
|
||||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'> Cookbook guide to Making an Eclipse Debug Capable Image</ulink>
|
||||
wiki page.
|
||||
</note>
|
||||
</para>
|
||||
|
||||
<section id='neon-configuring-the-cross-compiler-options'>
|
||||
<title>Configuring the Cross-Compiler Options</title>
|
||||
|
||||
<para>
|
||||
Cross Compiler options enable Eclipse to use your specific
|
||||
cross compiler toolchain.
|
||||
To configure these options, you must select
|
||||
the type of toolchain, point to the toolchain, specify
|
||||
the sysroot location, and select the target
|
||||
architecture.
|
||||
<itemizedlist>
|
||||
<listitem><para>
|
||||
<emphasis>Selecting the Toolchain Type:</emphasis>
|
||||
Choose between "Standalone pre-built toolchain"
|
||||
and
|
||||
"Build system derived toolchain" for Cross Compiler
|
||||
Options.
|
||||
<itemizedlist>
|
||||
<listitem><para>
|
||||
<emphasis>Standalone Pre-built Toolchain:</emphasis>
|
||||
Select this type when you are using
|
||||
a stand-alone cross-toolchain.
|
||||
For example, suppose you are an
|
||||
application developer and do not
|
||||
need to build a target image.
|
||||
Instead, you just want to use an
|
||||
architecture-specific toolchain on
|
||||
an existing kernel and target root
|
||||
filesystem.
|
||||
In other words, you have downloaded
|
||||
and installed a pre-built toolchain
|
||||
for an existing image.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
<emphasis>Build System Derived Toolchain:</emphasis>
|
||||
Select this type if you built the
|
||||
toolchain as part of the
|
||||
<ulink url='&YOCTO_DOCS_REF_URL;#build-directory'>Build Directory</ulink>.
|
||||
When you select "Build system derived
|
||||
toolchain", you are using the toolchain
|
||||
built and bundled inside the Build
|
||||
Directory.
|
||||
For example, suppose you created a
|
||||
suitable image using the steps in the
|
||||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'>wiki</ulink>.
|
||||
In this situation, you would select
|
||||
"Build system derived toolchain".
|
||||
</para></listitem>
|
||||
</itemizedlist>
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
<emphasis>Specify the Toolchain Root Location:</emphasis>
|
||||
If you are using a stand-alone pre-built
|
||||
toolchain, you should be pointing to where it is
|
||||
installed (e.g.
|
||||
<filename>/opt/poky/&DISTRO;</filename>).
|
||||
See the
|
||||
"<link linkend='sdk-installing-the-sdk'>Installing the SDK</link>"
|
||||
section for information about how the SDK is
|
||||
installed.</para>
|
||||
|
||||
<para>If you are using a build system derived
|
||||
toolchain, the path you provide for the
|
||||
"Toolchain Root Location" field is the
|
||||
<ulink url='&YOCTO_DOCS_REF_URL;#build-directory'>Build Directory</ulink>
|
||||
from which you run the
|
||||
<filename>bitbake</filename> command (e.g
|
||||
<filename>/home/scottrif/poky/build</filename>).</para>
|
||||
<para>For more information, see the
|
||||
"<link linkend='sdk-building-an-sdk-installer'>Building an SDK Installer</link>"
|
||||
section.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
<emphasis>Specify Sysroot Location:</emphasis>
|
||||
This location is where the root filesystem for
|
||||
the target hardware resides.
|
||||
</para>
|
||||
|
||||
<para>This location depends on where you
|
||||
separately extracted and installed the
|
||||
target filesystem when you either built
|
||||
it or downloaded it.
|
||||
<note>
|
||||
If you downloaded the root filesystem
|
||||
for the target hardware rather than
|
||||
built it, you must download the
|
||||
<filename>sato-sdk</filename> image
|
||||
in order to build any c/c++ projects.
|
||||
</note>
|
||||
As an example, suppose you prepared an image
|
||||
using the steps in the
|
||||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'>wiki</ulink>.
|
||||
If so, the <filename>MY_QEMU_ROOTFS</filename>
|
||||
directory is found in the
|
||||
<ulink url='&YOCTO_DOCS_REF_URL;#build-directory'>Build Directory</ulink>
|
||||
and you would browse to and select that directory
|
||||
(e.g. <filename>/home/scottrif/build/MY_QEMU_ROOTFS</filename>).
|
||||
</para>
|
||||
|
||||
<para>For more information on how to install the
|
||||
toolchain and on how to extract and install the
|
||||
sysroot filesystem, see the
|
||||
"<link linkend='sdk-building-an-sdk-installer'>Building an SDK Installer</link>"
|
||||
section.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
<emphasis>Select the Target Architecture:</emphasis>
|
||||
The target architecture is the type of hardware
|
||||
you are going to use or emulate.
|
||||
Use the pull-down "Target Architecture" menu
|
||||
to make your selection.
|
||||
The pull-down menu should have the supported
|
||||
architectures.
|
||||
If the architecture you need is not listed in
|
||||
the menu, you will need to build the image.
|
||||
See the
|
||||
"<ulink url='&YOCTO_DOCS_DEV_URL;#dev-building-a-simple-image'>Building a Simple Image</ulink>"
|
||||
section of the Yocto Project Development Tasks
|
||||
Manual for more information.
|
||||
You can also see the
|
||||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'>wiki</ulink>.
|
||||
</para></listitem>
|
||||
</itemizedlist>
|
||||
</para>
|
||||
</section>
|
||||
|
||||
<section id='neon-configuring-the-target-options'>
|
||||
<title>Configuring the Target Options</title>
|
||||
|
||||
<para>
|
||||
You can choose to emulate hardware using the QEMU
|
||||
emulator, or you can choose to run your image on actual
|
||||
hardware.
|
||||
<itemizedlist>
|
||||
<listitem><para>
|
||||
<emphasis>QEMU:</emphasis>
|
||||
Select this option if you will be using the
|
||||
QEMU emulator.
|
||||
If you are using the emulator, you also need to
|
||||
locate the kernel and specify any custom
|
||||
options.</para>
|
||||
|
||||
<para>If you selected the Build system derived
|
||||
toolchain, the target kernel you built will be
|
||||
located in the
|
||||
<ulink url='&YOCTO_DOCS_REF_URL;#build-directory'>Build Directory</ulink>
|
||||
in
|
||||
<filename>tmp/deploy/images/<replaceable>machine</replaceable></filename>
|
||||
directory.
|
||||
As an example, suppose you performed the steps in
|
||||
the
|
||||
<ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'>wiki</ulink>.
|
||||
In this case, you specify your Build Directory path
|
||||
followed by the image (e.g.
|
||||
<filename>/home/scottrif/poky/build/tmp/deploy/images/qemux86/bzImage-qemux86.bin</filename>).
|
||||
</para>
|
||||
|
||||
<para>If you selected the standalone pre-built
|
||||
toolchain, the pre-built image you downloaded is
|
||||
located in the directory you specified when you
|
||||
downloaded the image.</para>
|
||||
|
||||
<para>Most custom options are for advanced QEMU
|
||||
users to further customize their QEMU instance.
|
||||
These options are specified between paired
|
||||
angled brackets.
|
||||
Some options must be specified outside the
|
||||
brackets.
|
||||
In particular, the options
|
||||
<filename>serial</filename>,
|
||||
<filename>nographic</filename>, and
|
||||
<filename>kvm</filename> must all be outside the
|
||||
brackets.
|
||||
Use the <filename>man qemu</filename> command
|
||||
to get help on all the options and their use.
|
||||
The following is an example:
|
||||
<literallayout class='monospaced'>
|
||||
serial ‘<-m 256 -full-screen>’
|
||||
</literallayout>
|
||||
Regardless of the mode, Sysroot is already
|
||||
defined as part of the Cross-Compiler Options
|
||||
configuration in the "Sysroot Location:" field.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
<emphasis>External HW:</emphasis>
|
||||
Select this option if you will be using actual
|
||||
hardware.
|
||||
</para></listitem>
|
||||
</itemizedlist>
|
||||
</para>
|
||||
|
||||
<para>
|
||||
Click the "Apply" and "OK" to save your plug-in
|
||||
configurations.
|
||||
</para>
|
||||
</section>
|
||||
</section>
|
||||
</section>
|
||||
|
||||
<section id='neon-creating-the-project'>
|
||||
<title>Creating the Project</title>
|
||||
|
||||
<para>
|
||||
You can create two types of projects: Autotools-based, or
|
||||
Makefile-based.
|
||||
This section describes how to create Autotools-based projects
|
||||
from within the Eclipse IDE.
|
||||
For information on creating Makefile-based projects in a
|
||||
terminal window, see the
|
||||
"<link linkend='makefile-based-projects'>Makefile-Based Projects</link>"
|
||||
section.
|
||||
<note>
|
||||
Do not use special characters in project names
|
||||
(e.g. spaces, underscores, etc.). Doing so can
|
||||
cause the configuration to fail.
|
||||
</note>
|
||||
</para>
|
||||
|
||||
<para>
|
||||
To create a project based on a Yocto template and then display
|
||||
the source code, follow these steps:
|
||||
<orderedlist>
|
||||
<listitem><para>
|
||||
Select "C Project" from the "File -> New" menu.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Expand "Yocto Project SDK Autotools Project".
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Select "Hello World ANSI C Autotools Projects".
|
||||
This is an Autotools-based project based on a Yocto
|
||||
template.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Put a name in the "Project name:" field.
|
||||
Do not use hyphens as part of the name
|
||||
(e.g. "hello").
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "Next".
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Add appropriate information in the various fields.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "Finish".
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
If the "open perspective" prompt appears,
|
||||
click "Yes" so that you are in the C/C++ perspective.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
The left-hand navigation pane shows your project.
|
||||
You can display your source by double clicking the
|
||||
project's source file.
|
||||
</para></listitem>
|
||||
</orderedlist>
|
||||
</para>
|
||||
</section>
|
||||
|
||||
<section id='neon-configuring-the-cross-toolchains'>
|
||||
<title>Configuring the Cross-Toolchains</title>
|
||||
|
||||
<para>
|
||||
The earlier section,
|
||||
"<link linkend='neon-configuring-the-eclipse-yocto-plug-in'>Configuring the Neon Eclipse Yocto Plug-in</link>",
|
||||
sets up the default project configurations.
|
||||
You can override these settings for a given project by following
|
||||
these steps:
|
||||
<orderedlist>
|
||||
<listitem><para>
|
||||
Select "Yocto Project Settings" from
|
||||
the "Project -> Properties" menu.
|
||||
This selection brings up the Yocto Project Settings
|
||||
Dialog and allows you to make changes specific to an
|
||||
individual project.</para>
|
||||
<para>By default, the Cross Compiler Options and Target
|
||||
Options for a project are inherited from settings you
|
||||
provided using the Preferences Dialog as described
|
||||
earlier in the
|
||||
"<link linkend='neon-configuring-the-eclipse-yocto-plug-in'>Configuring the Neon Eclipse Yocto Plug-in</link>" section.
|
||||
The Yocto Project Settings Dialog allows you to override
|
||||
those default settings for a given project.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Make or verify your configurations for the project and
|
||||
click "OK".
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Right-click in the navigation pane and select
|
||||
"Reconfigure Project" from the pop-up menu.
|
||||
This selection reconfigures the project by running
|
||||
<ulink url='https://en.wikipedia.org/wiki/GNU_Build_System'>Autotools GNU utility programs</ulink>
|
||||
such as Autoconf, Automake, and so forth in the
|
||||
workspace for your project.
|
||||
Click on the "Console" tab beneath your source code
|
||||
to see the results of reconfiguring your project.
|
||||
</para></listitem>
|
||||
</orderedlist>
|
||||
</para>
|
||||
</section>
|
||||
|
||||
<section id='neon-building-the-project'>
|
||||
<title>Building the Project</title>
|
||||
|
||||
<para>
|
||||
To build the project select "Build All" from the
|
||||
"Project" menu.
|
||||
The console should update and you can note the cross-compiler
|
||||
you are using.
|
||||
<note>
|
||||
When building "Yocto Project SDK Autotools" projects, the
|
||||
Eclipse IDE might display error messages for
|
||||
Functions/Symbols/Types that cannot be "resolved", even when
|
||||
the related include file is listed at the project navigator and
|
||||
when the project is able to build.
|
||||
For these cases only, it is recommended to add a new linked
|
||||
folder to the appropriate sysroot.
|
||||
Use these steps to add the linked folder:
|
||||
<orderedlist>
|
||||
<listitem><para>
|
||||
Select the project.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Select "Folder" from the "File > New" menu.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
In the "New Folder" Dialog, select "Link to alternate
|
||||
location (linked folder)".
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "Browse" to navigate to the include folder inside
|
||||
the same sysroot location selected in the Yocto Project
|
||||
configuration preferences.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "OK".
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "Finish" to save the linked folder.
|
||||
</para></listitem>
|
||||
</orderedlist>
|
||||
</note>
|
||||
</para>
|
||||
</section>
|
||||
|
||||
<section id='neon-starting-qemu-in-user-space-nfs-mode'>
|
||||
<title>Starting QEMU in User-Space NFS Mode</title>
|
||||
|
||||
<para>
|
||||
To start the QEMU emulator from within Eclipse, follow these
|
||||
steps:
|
||||
<note>
|
||||
See the
|
||||
"<ulink url='&YOCTO_DOCS_DEV_URL;#dev-manual-qemu'>Using the Quick EMUlator (QEMU)</ulink>"
|
||||
chapter in the Yocto Project Development Tasks Manual
|
||||
for more information on using QEMU.
|
||||
</note>
|
||||
<orderedlist>
|
||||
<listitem><para>Expose and select "External Tools
|
||||
Configurations ..." from the "Run -> External Tools" menu.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Locate and select your image in the navigation panel to
|
||||
the left (e.g. <filename>qemu_i586-poky-linux</filename>).
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "Run" to launch QEMU.
|
||||
<note>
|
||||
The host on which you are running QEMU must have
|
||||
the <filename>rpcbind</filename> utility running to be
|
||||
able to make RPC calls on a server on that machine.
|
||||
If QEMU does not invoke and you receive error messages
|
||||
involving <filename>rpcbind</filename>, follow the
|
||||
suggestions to get the service running.
|
||||
As an example, on a new Ubuntu 16.04 LTS installation,
|
||||
you must do the following in order to get QEMU to
|
||||
launch:
|
||||
<literallayout class='monospaced'>
|
||||
$ sudo apt-get install rpcbind
|
||||
</literallayout>
|
||||
After installing <filename>rpcbind</filename>, you
|
||||
need to edit the
|
||||
<filename>/etc/init.d/rpcbind</filename> file to
|
||||
include the following line:
|
||||
<literallayout class='monospaced'>
|
||||
OPTIONS="-i -w"
|
||||
</literallayout>
|
||||
After modifying the file, you need to start the
|
||||
service:
|
||||
<literallayout class='monospaced'>
|
||||
$ sudo service portmap restart
|
||||
</literallayout>
|
||||
</note>
|
||||
</para></listitem>
|
||||
<listitem><para>If needed, enter your host root password in
|
||||
the shell window at the prompt.
|
||||
This sets up a <filename>Tap 0</filename> connection
|
||||
needed for running in user-space NFS mode.
|
||||
</para></listitem>
|
||||
<listitem><para>Wait for QEMU to launch.
|
||||
</para></listitem>
|
||||
<listitem><para>Once QEMU launches, you can begin operating
|
||||
within that environment.
|
||||
One useful task at this point would be to determine the
|
||||
IP Address for the user-space NFS by using the
|
||||
<filename>ifconfig</filename> command.
|
||||
The IP address of the QEMU machine appears in the
|
||||
xterm window.
|
||||
You can use this address to help you see which particular
|
||||
IP address the instance of QEMU is using.
|
||||
</para></listitem>
|
||||
</orderedlist>
|
||||
</para>
|
||||
</section>
|
||||
|
||||
<section id='neon-deploying-and-debugging-the-application'>
|
||||
<title>Deploying and Debugging the Application</title>
|
||||
|
||||
<para>
|
||||
Once the QEMU emulator is running the image, you can deploy
|
||||
your application using the Eclipse IDE and then use
|
||||
the emulator to perform debugging.
|
||||
Follow these steps to deploy the application.
|
||||
<note>
|
||||
Currently, Eclipse does not support SSH port forwarding.
|
||||
Consequently, if you need to run or debug a remote
|
||||
application using the host display, you must create a
|
||||
tunneling connection from outside Eclipse and keep
|
||||
that connection alive during your work.
|
||||
For example, in a new terminal, run the following:
|
||||
<literallayout class='monospaced'>
|
||||
$ ssh -XY <replaceable>user_name</replaceable>@<replaceable>remote_host_ip</replaceable>
|
||||
</literallayout>
|
||||
Using the above form, here is an example:
|
||||
<literallayout class='monospaced'>
|
||||
$ ssh -XY root@192.168.7.2
|
||||
</literallayout>
|
||||
After running the command, add the command to be executed
|
||||
in Eclipse's run configuration before the application
|
||||
as follows:
|
||||
<literallayout class='monospaced'>
|
||||
export DISPLAY=:10.0
|
||||
</literallayout>
|
||||
Be sure to not destroy the connection during your QEMU
|
||||
session (i.e. do not
|
||||
exit out of or close that shell).
|
||||
</note>
|
||||
<orderedlist>
|
||||
<listitem><para>
|
||||
Select "Debug Configurations..." from the
|
||||
"Run" menu.</para></listitem>
|
||||
<listitem><para>
|
||||
In the left area, expand
|
||||
"C/C++Remote Application".
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Locate your project and select it to bring
|
||||
up a new tabbed view in the Debug Configurations Dialog.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click on the "Debugger" tab to see the
|
||||
cross-tool debugger you are using.
|
||||
Be sure to change to the debugger perspective in Eclipse.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click on the "Main" tab.
|
||||
</para></listitem>
|
||||
<listitem><para>Create a new connection to the QEMU instance
|
||||
by clicking on "new".</para></listitem>
|
||||
<listitem><para>
|
||||
Select "SSH", which means
|
||||
Secure Socket Shell.
|
||||
Optionally, you can select a TCF connection instead.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "Next".
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Clear out the "Connection name" field and
|
||||
enter any name you want for the connection.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Put the IP address for the connection in
|
||||
the "Host" field.
|
||||
For QEMU, the default is "192.168.7.2".
|
||||
However, if a previous QEMU session did not exit
|
||||
cleanly, the IP address increments (e.g.
|
||||
"192.168.7.3").
|
||||
<note>
|
||||
You can find the IP address for the current QEMU
|
||||
session by looking in the xterm that opens when
|
||||
you launch QEMU.
|
||||
</note>
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Enter "root", which
|
||||
is the default for QEMU, for the "User" field.
|
||||
Be sure to leave the password field empty.
|
||||
</para></listitem>
|
||||
<listitem><para>Click "Finish" to close the
|
||||
New Connections Dialog.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
If necessary, use the drop-down menu now in the
|
||||
"Connection" field and pick the IP Address you entered.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Assuming you are connecting as the root user,
|
||||
which is the default for QEMU x86-64 SDK images provided by
|
||||
the Yocto Project, in the "Remote Absolute File Path for
|
||||
C/C++ Application" field, browse to
|
||||
<filename>/home/root/</filename><replaceable>ProjectName</replaceable>
|
||||
(e.g. <filename>/home/root/hello</filename>).
|
||||
You could also browse to any other path you have write
|
||||
access to on the target such as
|
||||
<filename>/usr/bin</filename>.
|
||||
This location is where your application will be located on
|
||||
the QEMU system.
|
||||
If you fail to browse to and specify an appropriate
|
||||
location, QEMU will not understand what to remotely
|
||||
launch.
|
||||
Eclipse is helpful in that it auto fills your application
|
||||
name for you assuming you browsed to a directory.
|
||||
<note><title>Tips</title>
|
||||
<itemizedlist>
|
||||
<listitem><para>
|
||||
If you are prompted to provide a username
|
||||
and to optionally set a password, be sure
|
||||
you provide "root" as the username and you
|
||||
leave the password field blank.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
If browsing to a directory fails or times
|
||||
out, but you can
|
||||
<filename>ssh</filename> into your QEMU
|
||||
or target from the command line and you
|
||||
have proxies set up, it is likely that
|
||||
Eclipse is sending the SSH traffic to a
|
||||
proxy.
|
||||
In this case, either use TCF , or click on
|
||||
"Configure proxy settings" in the
|
||||
connection dialog and add the target IP
|
||||
address to the "bypass proxy" section.
|
||||
You might also need to change
|
||||
"Active Provider" from Native to Manual.
|
||||
</para></listitem>
|
||||
</itemizedlist>
|
||||
</note>
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Be sure you change to the "Debug" perspective in Eclipse.
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Click "Debug"
|
||||
</para></listitem>
|
||||
<listitem><para>
|
||||
Accept the debug perspective.
|
||||
</para></listitem>
|
||||
</orderedlist>
|
||||
</para>
|
||||
</section>
|
||||
|
||||
<section id='neon-using-Linuxtools'>
|
||||
<title>Using Linuxtools</title>
|
||||
|
||||
<para>
|
||||
As mentioned earlier in the manual, performance tools exist
|
||||
(Linuxtools) that enhance your development experience.
|
||||
These tools are aids in developing and debugging applications and
|
||||
images.
|
||||
You can run these tools from within the Eclipse IDE through the
|
||||
"Linuxtools" menu.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
For information on how to configure and use these tools, see
|
||||
<ulink url='http://www.eclipse.org/linuxtools/'>http://www.eclipse.org/linuxtools/</ulink>.
|
||||
</para>
|
||||
</section>
|
||||
</appendix>
|
||||
<!--
|
||||
vim: expandtab tw=80 ts=4
|
||||
-->
|
||||
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