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git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/cross-chap5@11878 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
71 lines
2.8 KiB
XML
71 lines
2.8 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="ch-system-revisedchroot">
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<?dbhtml filename="revisedchroot.html"?>
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<title>Cleaning Up</title>
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<para>Finally, clean up some extra files left around from running tests:</para>
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<screen><userinput>rm -rf /tmp/*</userinput></screen>
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<para>Now log out and reenter the chroot environment with an updated
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chroot command. From now on, use this updated chroot command any time
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you need to reenter the chroot environment after exiting:</para>
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<screen role="nodump"><userinput>logout
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chroot "$LFS" /usr/bin/env -i \
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HOME=/root TERM="$TERM" \
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PS1='(lfs chroot) \u:\w\$ ' \
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PATH=/bin:/usr/bin:/sbin:/usr/sbin \
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/bin/bash --login</userinput></screen>
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<para>Here the <parameter>+h</parameter> option is not used anymore, since
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all the previous programs have been replaced: hashing is therefore
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possible.</para>
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<para>If the virtual kernel file systems have been unmounted, either manually
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or through a reboot, ensure that the virtual kernel file systems are mounted
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when reentering the chroot. This process was explained in <xref
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linkend="ch-system-bindmount"/> and <xref
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linkend="ch-system-kernfsmount"/>.</para>
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<para>There were several static libraries that were not suppressed earlier
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in the chapter in order to satisfy the regression tests in several packages. These
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libraries are from binutils, bzip2, e2fsprogs, flex, libtool, and zlib. If desired,
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remove them now:</para>
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<screen><userinput>rm -f /usr/lib/lib{bfd,opcodes}.a
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rm -f /usr/lib/libctf{,-nobfd}.a
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rm -f /usr/lib/libbz2.a
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rm -f /usr/lib/lib{com_err,e2p,ext2fs,ss}.a
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rm -f /usr/lib/libltdl.a
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rm -f /usr/lib/libfl.a
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rm -f /usr/lib/libz.a</userinput></screen>
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<para>There are also several files installed in the /usr/lib and /usr/libexec
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directories with a file name extention of .la. These are "libtool archive"
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files. As already said, they are only useful when linking with static
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libraries. They are unneeded, and potentially harmful, when using dynamic
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shared libraries, specially when using also non-autotools build systems.
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To remove them, run:</para>
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<screen><userinput>find /usr/lib /usr/libexec -name \*.la -delete</userinput></screen>
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<para>For more information about libtool archive files, see the <ulink
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url="&blfs-book;/introduction/la-files.html">BLFS section "About Libtool
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Archive (.la) files"</ulink>.</para>
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<para>Finally, remove the temporary 'tester' usr account created at the
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beginning of this chapter.</para>
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<screen><userinput>sed -i '/tester/d' /etc/passwd /etc/group
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rm -rf /home/tester</userinput></screen>
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</sect1>
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