Context Navigation

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 <listitem><para>This explicitly tells Expect where to find Tcl's source
 directory and internal headers. Using this option avoids conditions
 where <command>configure</command> fails because it hasn't automatically
 discovered the location of the Tcl source directory.</para></listitem>
+where <command>configure</command> fails because it cannot automatically
+discover the location of the Tcl source directory.</para></listitem>
 </varlistentry>
 …
 <listitem><para>This tells the configure script not to search for Tk
 (the Tcl GUI component) or the X Window System libraries, both of
+which may reside on the host system.</para></listitem>
+which may reside on the host system but will not exist in the temporary
+environment.</para></listitem>
 </varlistentry>
 </variablelist>

chapter05/gawk.xml

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38	38	<screen><userinput>make</userinput></screen>
39	39
40		<para>To test the results ~~(not necessary)~~, issue: <userinput>make
	40	<para>To test the results, issue: <userinput>make
41	41	check</userinput>.</para>
42	42

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 <varlistentry>
 <term><parameter>--without-csharp</parameter></term>
+<listitem><para>This tells Gettext not to use a C# compiler, even if a
+C# compiler is installed on the host. This needs to be done because
+once we enter the chroot environment, C# will no longer be
+available.</para></listitem>
+<listitem><para>This ensures that Gettext does not build support for the C#
+compiler which may be present on the host but will not be available once we
+enter the chroot environment.</para></listitem>
 </varlistentry>
 </variablelist>

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 </varlistentry>
-<!-- Edit Me -->
 <varlistentry>
 <term><parameter>--without-selinux</parameter></term>
+<listitem><para>When building from hosts using SELinux functionality
+(i.e. Fedora Core 3), Glibc will try to integrate this functionality into
+itself, but will fail, because we do not have this functionality in the LFS
+tools environment.  This option will disable this, allowing Glibc to build
+correctly, but will not otherwise affect the build.</para></listitem>
+</varlistentry>
+<!-- -->
+<listitem><para>When building from hosts that include SELinux functionality
+(e.g. Fedora Core 3), Glibc will build with support for SELinux. As the LFS
+tools environment does not contain support for SELinux, a Glibc compiled with
+such support will fail to operate correctly.</para></listitem>
+</varlistentry>
 </variablelist>

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 <varlistentry>
 <term><parameter>--disable-perl-regexp</parameter></term>
+<listitem><para>This makes sure that the <command>grep</command>
+program does not get linked against a Perl Compatible Regular
+Expression (PCRE) library that may be present on the host and would
+not be available once we enter the chroot
+<listitem><para>This ensures that the <command>grep</command> program does not
+get linked against a Perl Compatible Regular Expression (PCRE) library that may
+be present on the host but will not be available once we enter the chroot
 environment.</para></listitem>
 </varlistentry>

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 <varlistentry>
 <term><parameter>--without-ada</parameter></term>
+<listitem><para>This tells Ncurses not to build its Ada bindings, even
+if an Ada compiler is installed on the host. This needs to be done
+because once we enter the chroot environment, Ada will no longer be
+available.</para></listitem>
+<listitem><para>This ensures that Ncurses does not build support for the ada
+compiler which may be present on the host but will not be available once we
+enter the chroot environment.</para></listitem>
 </varlistentry>

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 </variablelist>
+<para>Compile only the required tools:</para>
+<para>Only a few of the utilities contained in this package need to be
+built:</para>
 <screen><userinput>make perl utilities</userinput></screen>
 …
 be run in the next chapter if desired.</para>
 <para>Copy these tools and their libraries:</para>
+<para>Install these tools and their libraries:</para>
 <screen><userinput>cp perl pod/pod2man /tools/bin

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58	58	Greenwich Mean Time (GMT), but only for the duration of the test suite
59	59	run. This ensures that the clock tests are exercised correctly.
60		Details on the <envar>TZ</envar> environment variable is provided in
	60	Details on the <envar>TZ</envar> environment variable are provided in
61	61	<xref linkend="chapter-bootscripts"/>.</para>
62	62

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 section can be referred back to at any time during the process.</para>
+<para>The overall goal of <xref linkend="chapter-temporary-tools"/> is
+to provide a temporary environment that can be chrooted into and from
+which can be produced a clean, trouble-free build of the target LFS
+system in <xref linkend="chapter-building-system"/>. Along the way, we
+separate from the host system as much as possible, and in doing so,
+build a self-contained and self-hosted toolchain. It should be noted
+that the build process has been designed to minimize the risks for new
+readers and provide maximum educational value at the same time. In
+other words, more advanced techniques could be used to build the
+system.</para>
+<para>The overall goal of <xref linkend="chapter-temporary-tools"/> is to
+provide a temporary environment that can be chrooted into and from which can be
+produced a clean, trouble-free build of the target LFS system in <xref
+linkend="chapter-building-system"/>. Along the way, we separate the new system
+from the host system as much as possible, and in doing so, build a
+self-contained and self-hosted toolchain. It should be noted that the build
+process has been designed to minimize the risks for new readers and provide
+maximum educational value at the same time.</para>
 <important>

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 <title>Installation of Util-linux</title>
 <para>Util-linux does not use the freshly installed headers and
+libraries from the <filename class="directory">/tools</filename>
 directory. This is fixed by altering the configure script:</para>
+<para>Util-linux does not use the freshly installed headers and libraries from
+the <filename class="directory">/tools</filename> directory by default. This is
+fixed by altering the configure script:</para>
 <screen><userinput>sed -i 's@/usr/include@/tools/include@g' configure</userinput></screen>
 …
 <screen><userinput>make -C lib</userinput></screen>
 <para>Since only a couple of the utilities contained in this package
 are needed, build only those:</para>
+<para>Only a few of the utilities contained in this package need to be
+built:</para>
 <screen><userinput>make -C mount mount umount

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