* coreutils: ``cmp``, ``sed``, ``grep``, ``arch``, etc.
-* gcc: versions 4.5.x or later is recommended for ``i686/x86_64``. Versions 4.8.x or later is recommended
- for ``ppc_64`` and ``x86_x32`` ABI. On some distributions, some specific compiler flags and linker flags are enabled by
+* gcc: versions 4.9 or later is recommended for all platforms.
+ On some distributions, some specific compiler flags and linker flags are enabled by
default and affect performance (``-fstack-protector``, for example). Please refer to the documentation
of your distribution and to ``gcc -dumpspecs``.
.. note::
x86_x32 ABI is currently supported with distribution packages only on Ubuntu
- higher than 13.10 or recent Debian distribution. The only supported compiler is gcc 4.8+.
+ higher than 13.10 or recent Debian distribution. The only supported compiler is gcc 4.9+.
.. note::