| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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| 7 |
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| 8 | <sect1 id="ch-system-revisedchroot">
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| 9 | <?dbhtml filename="revisedchroot.html"?>
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| 10 |
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| 11 | <title>Cleaning Up</title>
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| 12 |
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| 13 | <para>Finally, clean up some extra files left around from running tests:</para>
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| 14 |
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| 15 | <screen><userinput>rm -rf /tmp/*</userinput></screen>
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| 16 |
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| 17 | <para>Now log out and reenter the chroot environment with an updated
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| 18 | chroot command. From now on, use this updated chroot command any time
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| 19 | you need to reenter the chroot environment after exiting:</para>
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| 20 |
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| 21 | <screen role="nodump"><userinput>logout
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| 22 |
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| 23 | chroot "$LFS" /usr/bin/env -i \
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| 24 | HOME=/root TERM="$TERM" \
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| 25 | PS1='(lfs chroot) \u:\w\$ ' \
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| 26 | PATH=/bin:/usr/bin:/sbin:/usr/sbin \
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| 27 | /bin/bash --login</userinput></screen>
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| 28 |
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| 29 | <para>The reason for this is that the programs in <filename
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| 30 | class="directory">/tools</filename> are no longer needed. For this reason
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| 31 | you can delete the <filename class="directory">/tools</filename>
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| 32 | directory if so desired.</para>
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| 33 |
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| 34 | <note>
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| 35 | <para>Removing <filename class="directory">/tools</filename> will also
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| 36 | remove the temporary copies of Tcl, Expect, and DejaGNU which were used
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| 37 | for running the toolchain tests. If you need these programs later on,
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| 38 | they will need to be recompiled and re-installed. The BLFS book has
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| 39 | instructions for this (see <ulink url="&blfs-root;"/>).</para>
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| 40 | </note>
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| 41 |
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| 42 | <para>If the virtual kernel file systems have been unmounted, either manually
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| 43 | or through a reboot, ensure that the virtual kernel file systems are mounted
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| 44 | when reentering the chroot. This process was explained in <xref
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| 45 | linkend="ch-system-bindmount"/> and <xref
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| 46 | linkend="ch-system-kernfsmount"/>.</para>
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| 47 |
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| 48 | <para>There were several static libraries that were not suppressed earlier
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| 49 | in the chapter in order to satisfy the regression tests in several packages. These
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| 50 | libraries are from binutils, bzip2, e2fsprogs, flex, libtool, and zlib. If desired,
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| 51 | remove them now:</para>
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| 52 |
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| 53 | <screen><userinput>rm -f /usr/lib/lib{bfd,opcodes}.a
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| 54 | rm -f /usr/lib/libbz2.a
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| 55 | rm -f /usr/lib/lib{com_err,e2p,ext2fs,ss}.a
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| 56 | rm -f /usr/lib/libltdl.a
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| 57 | rm -f /usr/lib/libfl.a
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| 58 | rm -f /usr/lib/libz.a</userinput></screen>
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| 59 |
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| 60 | <para>There are also several files installed in the /usr/lib and /usr/libexec
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| 61 | directories with a file name extention of .la. These are "libtool archive"
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| 62 | files and generally unneeded on a linux system. None of these are necessary
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| 63 | at this point. To remove them, run:</para>
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| 64 |
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| 65 | <screen><userinput>find /usr/lib /usr/libexec -name \*.la -delete</userinput></screen>
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| 66 |
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| 67 | <para>For more information about libtool archive files, see the <ulink
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| 68 | url="&blfs-book;/introduction/la-files.html">BLFS section "About Libtool
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| 69 | Archive (.la) files"</ulink>.</para>
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| 70 |
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| 71 | </sect1>
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