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<sect2>
<title>Installation of GCC</title>
+<para>This package is known to behave badly when you have changed it's default
+optimization flags (including the -march and -mcpu options). GCC is best
+left alone, so we recommend you unsetting CFLAGS, CXXFLAGS and other
+such variables/settings that would change the default optimization that
+it comes with.</para>
+
<para>Install GCC by running the following commands. These commands will build
the C and C++ compiler. Other compilers are available within the gcc
package. If you want to build all the other availble compilers too,