From fe6400a7e48ed8a3557dc5e1b5238454afa355c7 Mon Sep 17 00:00:00 2001 From: Manuel Traut Date: Fri, 22 Aug 2014 17:33:29 +0200 Subject: yocto: slide about default_preference Signed-off-by: Manuel Traut --- distribution/yocto-basic/pres_yocto-basic.tex | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'distribution') diff --git a/distribution/yocto-basic/pres_yocto-basic.tex b/distribution/yocto-basic/pres_yocto-basic.tex index 1e2e4c4..40f140b 100644 --- a/distribution/yocto-basic/pres_yocto-basic.tex +++ b/distribution/yocto-basic/pres_yocto-basic.tex @@ -62,13 +62,14 @@ PREFEREED\_PROVIDER\_virtual/kernel = "linux-yocto" \begin{frame} \frametitle{Preferences} -\begin{verbatim} ---8<- -my-kernel\_3.16.bb -- -PROVIDES += "virtual/kernel" ---8<------------------------ -\end{verbatim} - -PREFEREED\_PROVIDER\_virtual/kernel = "linux-yocto" +\begin{itemize} +\item PREFERRED\_VERSION is used to specify a particular version +\item by default, files have a preference of "0" +\item setting DEFAULT\_PREFERENCE to "-1" makes the recipe unlikely to be used + unless it is explicitly referenced. +\item setting DEFAULT\_PREFERENCE to "1" makes it likely the recipe is used +\item PREFERRED\_VERSION overrides any DEFAULT\_PREFERENCE setting +\end{itemize} \end{frame} \begin{frame} -- cgit v1.2.3