From e11da41853ddb36745c68adaab352fbe00bebc16 Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Wed, 18 May 2016 09:44:42 +0200 Subject: split yocto advanced training use several tex files and include them in the presentation Signed-off-by: Manuel Traut --- .../yocto-advanced/yocto-img-customization.tex | 74 ++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 distribution/yocto-advanced/yocto-img-customization.tex (limited to 'distribution/yocto-advanced/yocto-img-customization.tex') 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} -- cgit v1.2.3