source: chapter05/diffutils-inst.xml@ 558cb8a

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Last change on this file since 558cb8a was 558cb8a, checked in by Gerard Beekmans <gerard@…>, 21 years ago

minor textual changes to chapter 5

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2401 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

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1<sect2><title>&nbsp;</title><para>&nbsp;</para></sect2>
2
3<sect2>
4<title>Installation of Diffutils</title>
5
6<para>Prepare Diffutils to be compiled:</para>
7
8<para><screen><userinput>LDFLAGS="-static" CPPFLAGS=-Dre_max_failures=re_max_failures2 \
9&nbsp;&nbsp;&nbsp;&nbsp;./configure --prefix=$LFS/static --disable-nls</userinput></screen></para>
10
11<para>The meaning of the configure options are:</para>
12
13<itemizedlist>
14<listitem><para><userinput>LDFLAGS="-static":</userinput> This is the most
15common way to tell a package that all programs should be statically linked.
16This way the <emphasis>LDFLAGS</emphasis> environment variable is set, but
17only in the subshell that the <filename>configure</filename> script runs
18in. When <userinput>configure</userinput> has done its job, the
19<emphasis>LDFLAGS</emphasis> environment variable won't exist anymore
20and the <filename>Makefile</filename> files contain will contain this
21variable locally.</para></listitem>
22
23<listitem><para><userinput>CPPFLAGS=-Dre_max_failures=re_max_failures2:</userinput>
24The <emphasis>CPPFLAGS</emphasis> variable is a variable that's read by the
25cpp program (C PreProcessor). The value of this variable tells the
26preprocessor to replace every instance of <emphasis>re_max_failures</emphasis>
27it finds with <emphasis>re_max_failures2</emphasis> before handing the source
28file to the compiler itself for compilation. This package has problems
29linking statically on systems that run an older Glibc version and this
30construction fixes that problem.</para></listitem>
31</itemizedlist>
32
33<para>Continue with compiling the package:</para>
34
35<para><screen><userinput>make</userinput></screen></para>
36
37<para>And finish off installing the package:</para>
38
39<para><screen><userinput>make install</userinput></screen></para>
40
41</sect2>
42
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