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- <?xml version="1.0" encoding="ISO-8859-1"?>
- <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
- "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
- <!ENTITY % general-entities SYSTEM "../general.ent">
- %general-entities;
- ]>
- <sect1 id="ch-tools-generalinstructions">
- <?dbhtml filename="generalinstructions.html"?>
- <title>General Compilation Instructions</title>
- <para>When building packages there are several assumptions made within
- the instructions:</para>
- <itemizedlist>
- <listitem>
- <para>Several of the packages are patched before compilation, but only when
- the patch is needed to circumvent a problem. A patch is often needed in
- both this and the next chapter, but sometimes in only one or the other.
- Therefore, do not be concerned if instructions for a downloaded patch seem
- to be missing. Warning messages about <emphasis>offset</emphasis> or
- <emphasis>fuzz</emphasis> may also be encountered when applying a patch. Do
- not worry about these warnings, as the patch was still successfully
- applied.</para>
- </listitem>
- <listitem>
- <para>During the compilation of most packages, there will be several
- warnings that scroll by on the screen. These are normal and can safely be
- ignored. These warnings are as they appear—warnings about
- deprecated, but not invalid, use of the C or C++ syntax. C standards change
- fairly often, and some packages still use the older standard. This is not a
- problem, but does prompt the warning.</para>
- <important>
- <para>After installing each package, delete its source and build
- directories, unless specifically instructed otherwise. Deleting the
- sources prevents mis-configuration when the same package is reinstalled
- later.</para>
- </important>
- </listitem>
- <listitem>
- <para>Check one last time that the <envar>LFS</envar> environment variable
- is set up properly:</para>
- <screen role="nodump"><userinput>echo $LFS</userinput></screen>
- <para>Make sure the output shows the path to the LFS partition's mount
- point, which is <filename class="directory">/mnt/lfs</filename>, using our
- example.</para>
- </listitem>
- <listitem>
- <para>Finally, two last important items must be emphasized:</para>
- <important>
- <para>The build instructions assume that the <command>bash</command>
- shell is in use.</para>
- </important>
- <important>
- <para>Before issuing the build instructions for a package, the package
- should be unpacked as user <systemitem class="username">lfs</systemitem>,
- and a <command>cd</command> into the created directory should be
- performed.</para>
- </important>
- </listitem>
- </itemizedlist>
- </sect1>
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