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| author | Manuel Traut <manut@linutronix.de> | 2016-05-18 09:44:42 +0200 |
|---|---|---|
| committer | Manuel Traut <manut@linutronix.de> | 2016-05-18 09:44:42 +0200 |
| commit | e11da41853ddb36745c68adaab352fbe00bebc16 (patch) | |
| tree | 6910e39f9f93b1622cc6692701ae42fd289e339a /distribution/yocto-advanced/yocto-img-customization.tex | |
| parent | 03566e0d038005ca58630c3decc1f5ae301a67a7 (diff) | |
split yocto advanced training
use several tex files and include them in the presentation
Signed-off-by: Manuel Traut <manut@linutronix.de>
Diffstat (limited to 'distribution/yocto-advanced/yocto-img-customization.tex')
| -rw-r--r-- | distribution/yocto-advanced/yocto-img-customization.tex | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/distribution/yocto-advanced/yocto-img-customization.tex b/distribution/yocto-advanced/yocto-img-customization.tex new file mode 100644 index 0000000..85599b7 --- /dev/null +++ b/distribution/yocto-advanced/yocto-img-customization.tex @@ -0,0 +1,74 @@ +\begin{frame}[fragile] +\frametitle{adding a bootscript} +\begin{itemize} + \item add 'systemd' to DISTRO\_FEATURES +\pause + \item inherit from systemd.bbclass +\pause + \item your package needs to set SYSTEMD\_SERVICE variable; e.g. + \begin{verbatim} +SYSTEMD_SERVICE_${PN} = "connman.service" + \end{verbatim} +\pause + \item to disable the service, set SYSTEMD\_AUTO\_ENABLE to 'disable' +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{user and group configuration} +use this in an image recipe: +\begin{verbatim} +inherit extrausers +EXTRA_USERS_PARAMS = "\ + useradd -p '' tester; \ + groupadd developers; \ + userdel nobody; \ + groupdel -g video; \ + groupmod -g 1020 developers; \ + usermod -s /bin/sh tester; \ + " +\end{verbatim} +or the useradd class, for an example see useradd-example.bb +\end{frame} + +\begin{frame}[fragile] +\frametitle{external sources} +e.g. for a heavily customized kernel +\begin{itemize} +\item kernel source directory on the development machine +\item inherit externalsrc class +\item set EXTERNALSRC variable to point to your external source code +\end{itemize} + +this local.conf extension: +\begin{verbatim} +INHERIT += "externalsrc" +EXTERNALSRC_pn-myrecipe = "/some/path/to/your/source/tree" +\end{verbatim} +overrides the SOURCE\_URI of pn-myrecipe.bb +\end{frame} + +\begin{frame}[fragile] +\frametitle{blacklist packages} +To blacklist a package, inherit the blacklist.bbclass globally and set +PNBLACKLIST for each recipe you wish to blacklist. + + +Specify the PN value as a variable flag (varflag) and provide a reason, +which is reported, if the package is requested to be built as the value: +\begin{verbatim} +INHERIT += "blacklist" +PNBLACKLIST[exoticware] = "Not supported by our organization." +\end{verbatim} +\end{frame} + +\begin{frame} + \frametitle{Application Development Excercise} +\begin{itemize} +\item generate a standalone or integrated SDK +\item configure the SDK in eclipse +\item build and remote debug yesterdays application on the beaglebone-black +\item integrate the application into the image +\item build the image including your application +\end{itemize} +\end{frame} |
