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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="ch-system-revisedchroot">
<?dbhtml filename="revisedchroot.html"?>
<title>Cleaning Up</title>
<para>Finally, clean up some extra files left around from running tests:</para>
<screen><userinput>rm -rf /tmp/*</userinput></screen>
<para>From now on, when reentering the chroot environment after
exiting, use the following modified chroot command:</para>
<screen role="nodump"><userinput>chroot "$LFS" /usr/bin/env -i \
HOME=/root TERM="$TERM" \
PS1='(lfs chroot) \u:\w\$ ' \
PATH=/bin:/usr/bin:/sbin:/usr/sbin \
/bin/bash --login</userinput></screen>
<para>The reason for this is that the programs in <filename
class="directory">/tools</filename> are no longer needed. Since they are no
longer needed you can delete the <filename class="directory">/tools</filename>
directory if so desired.</para>
<note>
<para>Removing <filename class="directory">/tools</filename> will also
remove the temporary copies of Tcl, Expect, and DejaGNU which were used
for running the toolchain tests. If you need these programs later on,
they will need to be recompiled and re-installed. The BLFS book has
instructions for this (see <ulink url="&blfs-root;"/>).</para>
</note>
<para>If the virtual kernel file systems have been unmounted, either manually
or through a reboot, ensure that the virtual kernel file systems are mounted
when reentering the chroot. This process was explained in <xref
linkend="ch-system-bindmount"/> and <xref
linkend="ch-system-kernfsmount"/>.</para>
<para>There were several static libraries that were not suppressed earlier
in the chapter in order to satisfy the regression tests in several packages. These
libraries are from binutils, bzip2, e2fsprogs, flex, libtool, and zlib. If desired,
remove them now:</para>
<screen><userinput>rm -f /usr/lib/lib{bfd,opcodes}.a
rm -f /usr/lib/libbz2.a
rm -f /usr/lib/lib{com_err,e2p,ext2fs,ss}.a
rm -f /usr/lib/libltdl.a
rm -f /usr/lib/libfl.a
rm -f /usr/lib/libfl_pic.a
rm -f /usr/lib/libz.a</userinput></screen>
<para>There are also several files installed in the /usr/lib directory with a
file name extention of .la. These are "libtool archive" files and generally
unneeded on a linux system. None of these are necessary at this point. To
remove them, run:</para>
<screen><userinput>find /usr/lib -name \*.la -delete</userinput></screen>
<para>For more information about libtool archive files, see the <ulink
url="&blfs-book;/introduction/la-files.html">BLFS section "About Libtool
Archive (.la) files"</ulink>.</para>
</sect1>
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