Embedded Linux: build space also useful for debugging

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>

slides/sysdev-embedded-linux/sysdev-embedded-linux.tex

@@ -1165,7 +1165,8 @@ \subsection{System building}
     \item Only these files will go in the {\em target space}
     \end{itemize}
   \item The build space must be kept in order to build other
-    applications or recompile existing applications.
+    applications, to recompile existing ones, and to debug your
+    applications.
   \end{itemize}
 \end{frame}