source: chapter05/stripping.xml@ a91de2aa

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Last change on this file since a91de2aa was a91de2aa, checked in by Bruce Dubbs <bdubbs@…>, 5 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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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-tools-stripping">
9 <?dbhtml filename="stripping.html"?>
10
11 <title>Stripping</title>
12
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.
15 The executables and libraries built so far contain about 70 MB of unneeded
16 debugging symbols. Remove those symbols with:</para>
17
18<screen><userinput>strip --strip-debug /tools/lib/*
19/usr/bin/strip --strip-unneeded /tools/{,s}bin/*</userinput></screen>
20
21 <para>These commands will skip a number of files, reporting that it does not
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>
24
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>
29
30 <para>To save more, remove the documentation:</para>
31
32<screen><userinput>rm -rf /tools/{,share}/{info,man,doc}</userinput></screen>
33
34 <para>Remove unneeded files:</para>
35
36<screen><userinput>find /tools/{lib,libexec} -name \*.la -delete</userinput></screen>
37
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
41 the rest too.</para>
42
43</sect1>
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