lfs-book/chapter06/make-exp.xml

<sect2>
<title>Command explanations</title>

<para>By default <filename>/usr/bin/make</filename> is installed setgid
kmem. This is needed on some systems so it can check the load average by
using <filename>/dev/kmem</filename>. However, on Linux systems, setgid
kmem is not needed, so we remove this from our <filename>make</filename>
binary. This also fixes problems with the <filename>make</filename>
ignoring certain variables like
<emphasis>LD_LIBRARY_PATH</emphasis>.</para>

</sect2>