[bootlin/training-materials updates] master: slides: yocto-image: add an item about PACKAGE_ARCH in the package group overview (6909eb2f)

[Thomas Petazzoni]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/6909eb2fa45b4e0f8a381f497b704fab86ea1a7d

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commit 6909eb2fa45b4e0f8a381f497b704fab86ea1a7d
Author: Thomas Perrot <thomas.perrot at bootlin.com>
Date:   Sat Jun 12 00:25:03 2021 +0200

    slides: yocto-image: add an item about PACKAGE_ARCH in the package group overview
    
    Signed-off-by: Thomas Perrot <thomas.perrot at bootlin.com>


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6909eb2fa45b4e0f8a381f497b704fab86ea1a7d
 slides/yocto-image/yocto-image.tex | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/slides/yocto-image/yocto-image.tex b/slides/yocto-image/yocto-image.tex
index d940b0e3..796e16d8 100644
--- a/slides/yocto-image/yocto-image.tex
+++ b/slides/yocto-image/yocto-image.tex
@@ -186,6 +186,12 @@ bootloader --ptable msdos
       \code{meta*/recipes-core/packagegroups/}
     \item A package group is yet another recipe.
     \item The prefix \code{packagegroup-} is always used.
+    \item Be careful about the \code{PACKAGE_ARCH} value:
+      \begin{itemize}
+      \item Set to the value \code{all} by default,
+      \item Must be explicitly set to \code{${MACHINE_ARCH}} when there is a machine
+        dependency.
+      \end{itemize}
   \end{itemize}
 \end{frame}