[FE training-materials-updates] crosstool-ng lab: switch back to a gcc5 toolchain

[Boris Brezillon]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=480586af3ba8dfc68918dbbbece614585a9c51fe

>---------------------------------------------------------------

commit 480586af3ba8dfc68918dbbbece614585a9c51fe
Author: Boris Brezillon <boris.brezillon at free-electrons.com>
Date:   Mon Feb 20 16:20:45 2017 +0100

    crosstool-ng lab: switch back to a gcc5 toolchain
    
    The buildroot version we're using is not compatible with gcc6. Switch
    back to a gcc5 toolchain.
    
    Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>


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480586af3ba8dfc68918dbbbece614585a9c51fe
 labs/sysdev-toolchain/sysdev-toolchain.tex | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/labs/sysdev-toolchain/sysdev-toolchain.tex b/labs/sysdev-toolchain/sysdev-toolchain.tex
index 3820e53..66418f7 100644
--- a/labs/sysdev-toolchain/sysdev-toolchain.tex
+++ b/labs/sysdev-toolchain/sysdev-toolchain.tex
@@ -103,6 +103,12 @@ In \code{C-library}:
   support.
 \end{itemize}
 
+In \code{C-library}:
+\begin{itemize}
+  \item Set \code{gcc version} to 5.4.0. That's because the version of
+  Buildroot we use does not support gcc 6.
+\end{itemize}
+
 In \code{Debug facilities}:
 \begin{itemize}
 \item Make sure that \code{gdb}, \code{strace} and \code{ltrace}