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diff --git a/import-layers/yocto-poky/documentation/sdk-manual/sdk-working-projects.xml b/import-layers/yocto-poky/documentation/sdk-manual/sdk-working-projects.xml index 54bc4d739..6965e3f28 100644 --- a/import-layers/yocto-poky/documentation/sdk-manual/sdk-working-projects.xml +++ b/import-layers/yocto-poky/documentation/sdk-manual/sdk-working-projects.xml @@ -10,8 +10,9 @@ You can use the SDK toolchain directly with Makefile, Autotools, and <trademark class='trade'>Eclipse</trademark> based projects. - This chapter covers information specific to each of these types of - projects. + This chapter covers the first two, while the + "<link linkend='sdk-eclipse-project'>Developing Applications Using <trademark class='trade'>Eclipse</trademark></link>" + Chapter covers the latter. </para> <section id='autotools-based-projects'> @@ -276,1184 +277,6 @@ </note> </para> </section> - - <section id='sdk-developing-applications-using-eclipse'> - <title>Developing Applications Using <trademark class='trade'>Eclipse</trademark></title> - - <para> - If you are familiar with the popular Eclipse IDE, you can use an - Eclipse Yocto Plug-in to allow you to develop, deploy, and test your - application all from within Eclipse. - This section describes general workflow using the SDK and Eclipse - and how to configure and set up Eclipse. - </para> - - <section id='workflow-using-eclipse'> - <title>Workflow Using <trademark class='trade'>Eclipse</trademark></title> - - <para> - The following figure and supporting list summarize the - application development general workflow that employs both the - SDK Eclipse. - </para> - - <para> - <imagedata fileref="figures/sdk-eclipse-dev-flow.png" - width="7in" depth="7in" align="center" scale="100" /> - </para> - - <para> - <orderedlist> - <listitem><para> - <emphasis>Prepare the host system for the Yocto - Project</emphasis>: - See - "<ulink url='&YOCTO_DOCS_REF_URL;#detailed-supported-distros'>Supported Linux Distributions</ulink>" - and - "<ulink url='&YOCTO_DOCS_REF_URL;#required-packages-for-the-host-development-system'>Required Packages for the Host Development System</ulink>" - sections both in the Yocto Project Reference Manual for - requirements. - In particular, be sure your host system has the - <filename>xterm</filename> package installed. - </para></listitem> - <listitem><para> - <emphasis>Secure the Yocto Project kernel target - image</emphasis>: - You must have a target kernel image that has been built - using the OpenEmbedded build system.</para> - <para>Depending on whether the Yocto Project has a - pre-built image that matches your target architecture - and where you are going to run the image while you - develop your application (QEMU or real hardware), the - area from which you get the image differs. - <itemizedlist> - <listitem><para> - Download the image from - <ulink url='&YOCTO_MACHINES_DL_URL;'><filename>machines</filename></ulink> - if your target architecture is supported and - you are going to develop and test your - application on actual hardware. - </para></listitem> - <listitem><para> - Download the image from - <ulink url='&YOCTO_QEMU_DL_URL;'> - <filename>machines/qemu</filename></ulink> if - your target architecture is supported and you - are going to develop and test your application - using the QEMU emulator. - </para></listitem> - <listitem><para> - Build your image if you cannot find a pre-built - image that matches your target architecture. - If your target architecture is similar to a - supported architecture, you can modify the - kernel image before you build it. - See the - "<ulink url='&YOCTO_DOCS_DEV_URL;#patching-the-kernel'>Patching the Kernel</ulink>" - section in the Yocto Project Development - manual for an example. - </para></listitem> - </itemizedlist> - </para></listitem> - <listitem> - <para><emphasis>Install the SDK</emphasis>: - The SDK provides a target-specific cross-development - toolchain, the root filesystem, the QEMU emulator, and - other tools that can help you develop your application. - For information on how to install the SDK, see the - "<link linkend='sdk-installing-the-sdk'>Installing the SDK</link>" - section. - </para></listitem> - <listitem><para> - <emphasis>Secure the target root filesystem - and the Cross-development toolchain</emphasis>: - You need to find and download the appropriate root - filesystem and the cross-development toolchain.</para> - <para>You can find the tarballs for the root filesystem - in the same area used for the kernel image. - Depending on the type of image you are running, the - root filesystem you need differs. - For example, if you are developing an application that - runs on an image that supports Sato, you need to get a - root filesystem that supports Sato.</para> - <para>You can find the cross-development toolchains at - <ulink url='&YOCTO_TOOLCHAIN_DL_URL;'><filename>toolchains</filename></ulink>. - Be sure to get the correct toolchain for your - development host and your target architecture. - See the "<link linkend='sdk-locating-pre-built-sdk-installers'>Locating Pre-Built SDK Installers</link>" - section for information and the - "<link linkend='sdk-installing-the-sdk'>Installing the SDK</link>" - section for installation information. - <note> - As an alternative to downloading an SDK, you can - build the SDK installer. - For information on building the installer, see the - "<link linkend='sdk-building-an-sdk-installer'>Building an SDK Installer</link>" - section. - Another helpful resource for building an installer - is the - <ulink url='https://wiki.yoctoproject.org/wiki/TipsAndTricks/RunningEclipseAgainstBuiltImage'>Cookbook guide to Making an Eclipse Debug Capable Image</ulink> - wiki page. - </note> - </para></listitem> - <listitem><para> - <emphasis>Create and build your application</emphasis>: - At this point, you need to have source files for your - application. - Once you have the files, you can use the Eclipse IDE - to import them and build the project. - If you are not using Eclipse, you need to use the - cross-development tools you have installed to create - the image.</para></listitem> - <listitem><para> - <emphasis>Deploy the image with the - application</emphasis>: - Using the Eclipse IDE, you can deploy your image to the - hardware or to QEMU through the project's preferences. - You can also use Eclipse to load and test your image - under QEMU. - See the - "<ulink url='&YOCTO_DOCS_DEV_URL;#dev-manual-qemu'>Using the Quick EMUlator (QEMU)</ulink>" - chapter in the Yocto Project Development Manual - for information on using QEMU. - </para></listitem> - <listitem><para> - <emphasis>Test and debug the application</emphasis>: - Once your application is deployed, you need to test it. - Within the Eclipse IDE, you can use the debugging - environment along with supported performance enhancing - <ulink url='http://www.eclipse.org/linuxtools/'>Linux Tools</ulink>. - </para></listitem> - </orderedlist> - </para> - </section> - - <section id='adt-eclipse'> - <title>Working Within Eclipse</title> - - <para> - The Eclipse IDE is a popular development environment and it - fully supports development using the Yocto Project. - </para> - - <para> - When you install and configure the Eclipse Yocto Project - Plug-in into the Eclipse IDE, you maximize your Yocto - Project experience. - Installing and configuring the Plug-in results in an - environment that has extensions specifically designed to let - you more easily develop software. - These extensions allow for cross-compilation, deployment, and - execution of your output into a QEMU emulation session as well - as actual target hardware. - You can also perform cross-debugging and profiling. - The environment also supports performance enhancing - <ulink url='http://www.eclipse.org/linuxtools/'>tools</ulink> - that allow you to perform remote profiling, tracing, - collection of power data, collection of latency data, and - collection of performance data. - <note> - This release of the Yocto Project supports both the Neon - and Mars versions of the Eclipse IDE. - This section provides information on how to use the Neon - release with the Yocto Project. - For information on how to use the Mars version of Eclipse - with the Yocto Project, see - "<link linkend='sdk-appendix-latest-yp-eclipse-plug-in'>Appendix C</link>. - </note> - </para> - - <section id='neon-setting-up-the-eclipse-ide'> - <title>Setting Up the Neon Version of the Eclipse IDE</title> - - <para> - To develop within the Eclipse IDE, you need to do the - following: - <orderedlist> - <listitem><para> - Install the Neon version of the Eclipse IDE. - </para></listitem> - <listitem><para> - Configure the Eclipse IDE. - </para></listitem> - <listitem><para> - Install the Eclipse Yocto Plug-in. - </para></listitem> - <listitem><para> - Configure the Eclipse Yocto Plug-in. - </para></listitem> - </orderedlist> - <note> - Do not install Eclipse from your distribution's package - repository. - Be sure to install Eclipse from the official Eclipse - download site as directed in the next section. - </note> - </para> - - <section id='neon-installing-eclipse-ide'> - <title>Installing the Neon Eclipse IDE</title> - - <para> - Follow these steps to locate, install, and configure - Neon Eclipse: - <orderedlist> - <listitem><para> - <emphasis>Locate the Neon Download:</emphasis> - Open a browser and go to - <ulink url='http://www.eclipse.org/neon/'>http://www.eclipse.org/neon/</ulink>. - </para></listitem> - <listitem><para> - <emphasis>Download the Tarball:</emphasis> - Click through the "Download" buttons to - download the file. - </para></listitem> - <listitem><para> - <emphasis>Unpack the Tarball:</emphasis> - Move to a clean directory and unpack the - tarball. - Here is an example: - <literallayout class='monospaced'> - $ cd ~ - $ tar -xzvf ~/Downloads/eclipse-inst-linux64.tar.gz - </literallayout> - Everything unpacks into a folder named - "eclipse-installer". - </para></listitem> - <listitem><para> - <emphasis>Launch the Installer:</emphasis> - Use the following commands to launch the - installer: - <literallayout class='monospaced'> - $ cd ~/eclipse-installer - $ ./eclipse-inst - </literallayout> - </para></listitem> - <listitem><para> - <emphasis>Select Your IDE:</emphasis> - From the list, select the "Eclipse IDE for - C/C++ Developers". - </para></listitem> - <listitem><para> - <emphasis>Install the Software:</emphasis> - Accept the default "cpp-neon" directory and - click "Install". - Accept any license agreements and approve any - certificates. - </para></listitem> - <listitem><para> - <emphasis>Launch Neon:</emphasis> - Click the "Launch" button and accept the - default "workspace". - </para></listitem> - </orderedlist> - </para> - </section> - - <section id='neon-configuring-the-mars-eclipse-ide'> - <title>Configuring the Neon Eclipse IDE</title> - - <para> - Follow these steps to configure the Neon Eclipse IDE. - <note> - Depending on how you installed Eclipse and what - you have already done, some of the options will - not appear. - If you cannot find an option as directed by the - manual, it has already been installed. - </note> - <orderedlist> - <listitem><para> - Be sure Eclipse is running and you are in your - workbench. - </para></listitem> - <listitem><para> - Select "Install New Software" from the "Help" - pull-down menu. - </para></listitem> - <listitem><para> - Select - "Neon - http://download.eclipse.org/releases/neon" - from the "Work with:" pull-down menu. - </para></listitem> - <listitem><para> - Expand the box next to "Linux Tools" and select - the following: - <literallayout class='monospaced'> - C/C++ Remote (Over TCF/TE) Run/Debug Launcher - TM Terminal - </literallayout> - </para></listitem> - <listitem><para> - Expand the box next to "Mobile and Device - Development" and select the following - boxes: - <literallayout class='monospaced'> - C/C++ Remote (Over TCF/TE) Run/Debug Launcher - Remote System Explorer User Actions - TM Terminal - TCF Remote System Explorer add-in - TCF Target Explorer - </literallayout> - </para></listitem> - <listitem><para> - Expand the box next to "Programming Languages" - and select the following box: - <literallayout class='monospaced'> - C/C++ Development Tools SDK - </literallayout> - </para></listitem> - <listitem><para> - Complete the installation by clicking through - appropriate "Next" and "Finish" buttons. - </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> - - <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 added - to the "Work with:" drop-down list. - </para></listitem> - <listitem><para> - Select the entry for the plug-in - from the "Work with:" drop-down list. - </para></listitem> - <listitem><para> - Check the boxes next to the following: - <literallayout class='monospaced'> - Yocto Project SDK Plug-in - 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 development system - has JDK 1.8+ - </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-poky - </literallayout> - </para></listitem> - <listitem><para> - Use Git to create the correct tag: - <literallayout class='monospaced'> - $ cd ~/eclipse-poky - $ git checkout neon/yocto-&DISTRO; - </literallayout> - This creates a local tag named - <filename>neon/yocto-&DISTRO;</filename> - based on the branch - <filename>origin/neon-master</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-poky/scripts/eclipse ./build.sh -l neon/yocto-&DISTRO; master yocto-&DISTRO; 2>&1 | tee build.log - </literallayout> - The previous example command adds the tag - you need for - <filename>mars/yocto-&DISTRO;</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='mars-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: - <itemizedlist> - <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> - </itemizedlist> - The following sub-sections describe how to configure - 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 - <filename>Standalone pre-built toolchain</filename> - and - <filename>Build system derived toolchain</filename> - for Cross Compiler Options. - <itemizedlist> - <listitem><para> - <emphasis> - <filename>Standalone Pre-built Toolchain:</filename> - </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> - <filename>Build System Derived Toolchain:</filename> - </emphasis> - Select this type if you built the - toolchain as part of the - <ulink url='&YOCTO_DOCS_DEV_URL;#build-directory'>Build Directory</ulink>. - When you select - <filename>Build system derived toolchain</filename>, - 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 - the - <filename>Build system derived toolchain</filename>. - </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 - <filename>Toolchain Root Location</filename> - field is the - <ulink url='&YOCTO_DOCS_DEV_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. - 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_DEV_URL;#build-directory'>Build Directory</ulink> - and you would browse to and select that - directory (e.g. - <filename>/home/scottrif/poky/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 - <filename>Target Architecture</filename> - 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_QS_URL;#qs-building-images'>Building Images</ulink>" - section of the Yocto Project Quick Start - 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 - <filename>Build system derived toolchain</filename>, - the target kernel you built will be located - in the - <ulink url='&YOCTO_DOCS_DEV_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></para> - <para> - Regardless of the mode, Sysroot is already - defined as part of the Cross-Compiler - Options configuration in the - <filename>Sysroot Location:</filename> - 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 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 - <filename>Yocto Project SDK Autotools Project</filename>. - </para></listitem> - <listitem><para> - Select <filename>Hello World ANSI C Autotools Projects</filename>. - This is an Autotools-based project based on a Yocto - template. - </para></listitem> - <listitem><para> - Put a name in the - <filename>Project name:</filename> field. - Do not use hyphens as part of the name - (e.g. <filename>hello</filename>). - </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 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 - <filename>autogen.sh</filename> in the workspace - for your project. - The script also runs - <filename>libtoolize</filename>, - <filename>aclocal</filename>, - <filename>autoconf</filename>, - <filename>autoheader</filename>, - <filename>automake --a</filename>, and - <filename>./configure</filename>. - 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 - <filename>File > New</filename> 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 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 - <filename>C/C++Remote Application</filename>. - </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 <filename>SSH</filename>, which - means Secure Socket Shell and then click "OK". - Optionally, you can select an TCF connection - instead. - </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 - <filename>192.168.7.2</filename>. - However, if a previous QEMU session did not exit - cleanly, the IP address increments (e.g. - <filename>192.168.7.3</filename>). - <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 <filename>root</filename>, 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> - 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. - </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> - </section> - </section> </chapter> <!-- vim: expandtab tw=80 ts=4 |
