source: chapter05/stripping.xml@ a91de2aa

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Last change on this file since a91de2aa was a91de2aa, checked in by Bruce Dubbs <bdubbs@…>, 6 years ago

Update to linux-4.14.12.
Update to gdbm-1.14.1.
Update to e2fsprogs-1.43.8.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11347 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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[673b0d8]1<?xml version="1.0" encoding="ISO-8859-1"?>
[b06ca36]2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
[673b0d8]4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
[b28fd35]7
[673b0d8]8<sect1 id="ch-tools-stripping">
[b28fd35]9 <?dbhtml filename="stripping.html"?>
10
11 <title>Stripping</title>
[673b0d8]12
[b28fd35]13 <para>The steps in this section are optional, but if the LFS partition is
14 rather small, it is beneficial to learn that unnecessary items can be removed.
[0b37960]15 The executables and libraries built so far contain about 70 MB of unneeded
[b28fd35]16 debugging symbols. Remove those symbols with:</para>
[3d36131c]17
[673b0d8]18<screen><userinput>strip --strip-debug /tools/lib/*
[3dc9543]19/usr/bin/strip --strip-unneeded /tools/{,s}bin/*</userinput></screen>
[673b0d8]20
[182d5d3]21 <para>These commands will skip a number of files, reporting that it does not
[3dc9543]22 recognize their file format. Most of these are scripts instead of binaries.
23 Also use the system strip command to include the strip binary in /tools.</para>
[81fd230]24
[b28fd35]25 <para>Take care <emphasis>not</emphasis> to use
26 <parameter>--strip-unneeded</parameter> on the libraries. The static
27 ones would be destroyed and the toolchain packages would need to be
28 built all over again.</para>
[81fd230]29
[776f1dc]30 <para>To save more, remove the documentation:</para>
[3d36131c]31
[776f1dc]32<screen><userinput>rm -rf /tools/{,share}/{info,man,doc}</userinput></screen>
[673b0d8]33
[a91de2aa]34 <para>Remove unneeded files:</para>
35
36<screen><userinput>find /tools/{lib,libexec} -name \*.la -delete</userinput></screen>
37
[1fb7bae]38 <para>At this point, you should have at least 3 GB of free space in
39 <envar>$LFS</envar> that can be used to build and install Glibc and Gcc in
40 the next phase. If you can build and install Glibc, you can build and install
[0b37960]41 the rest too.</para>
[81fd230]42
[673b0d8]43</sect1>
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