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\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}
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