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authorBruce Dubbs <bdubbs@linuxfromscratch.org>2020-03-29 20:04:31 +0000
committerBruce Dubbs <bdubbs@linuxfromscratch.org>2020-03-29 20:04:31 +0000
commitdf43be1530e1d385ae634ebc22e5b3000fd362d4 (patch)
tree28464f2119d5486e9ecd453df42b7eeadfa64e97
parent97af73804ecc5887e0b2784e9df903527c5f91e9 (diff)
Textual updates thanks to Kevin Buckley.
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11800 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
-rw-r--r--chapter01/changelog.xml9
-rw-r--r--chapter04/settingenviron.xml49
-rw-r--r--chapter05/dejagnu.xml5
-rw-r--r--chapter05/expect.xml11
-rw-r--r--chapter05/tcl.xml4
-rw-r--r--general.ent6
6 files changed, 73 insertions, 11 deletions
diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 8fc5d7860..dcf0325b2 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -42,6 +42,15 @@
<listitem revision="sysv"> or <listitem revision="systemd"> as
appropriate for the entry or if needed the entire day's listitem.
-->
+ <listitem>
+ <para>2020-03-29</para>
+ <itemizedlist>
+ <listitem>
+ <para>[bdubbs] - Textual updates thanks to Kevin Buckley.</para>
+ </listitem>
+ </itemizedlist>
+ </listitem>
+
<listitem revision="systemd">
<para>2020-03-19</para>
<itemizedlist>
diff --git a/chapter04/settingenviron.xml b/chapter04/settingenviron.xml
index 3221bed85..512d30d10 100644
--- a/chapter04/settingenviron.xml
+++ b/chapter04/settingenviron.xml
@@ -32,8 +32,8 @@ EOF</userinput></screen>
ensuring a clean environment.</para>
<para>The new instance of the shell is a <emphasis>non-login</emphasis>
- shell, which does not read the <filename>/etc/profile</filename> or
- <filename>.bash_profile</filename> files, but rather reads the
+ shell, which does not read, and execute, the conten of <filename>/etc/profile</filename> or
+ <filename>.bash_profile</filename> files, but rather reads, and executes, the
<filename>.bashrc</filename> file instead. Create the
<filename>.bashrc</filename> file now:</para>
@@ -47,6 +47,12 @@ PATH=/tools/bin:/bin:/usr/bin
export LFS LC_ALL LFS_TGT PATH</literal>
EOF</userinput></screen>
+ <variablelist>
+ <title>The meaning of the command line options in <filename>.bashrc</filename></title>
+
+ <varlistentry>
+ <term><parameter>set +h</parameter></term>
+ <listitem>
<para>The <command>set +h</command> command turns off
<command>bash</command>'s hash function. Hashing is ordinarily a useful
feature&mdash;<command>bash</command> uses a hash table to remember the
@@ -58,33 +64,70 @@ EOF</userinput></screen>
<filename class="directory">$LFS/tools</filename> as soon as they are
available without remembering a previous version of the same program in a
different location.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>umask 022</parameter></term>
+ <listitem>
<para>Setting the user file-creation mask (umask) to 022 ensures that newly
created files and directories are only writable by their owner, but are
readable and executable by anyone (assuming default modes are used by the
<function>open(2)</function> system call, new files will end up with permission
mode 644 and directories with mode 755).</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>LFS=/mnt/lfs</parameter></term>
+ <listitem>
<para>The <envar>LFS</envar> variable should be set to the chosen mount
point.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>LC_ALL=POSIX</parameter></term>
+ <listitem>
<para>The <envar>LC_ALL</envar> variable controls the localization of certain
programs, making their messages follow the conventions of a specified country.
Setting <envar>LC_ALL</envar> to <quote>POSIX</quote> or <quote>C</quote>
(the two are equivalent) ensures that everything will work as expected in
the chroot environment.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>LFS_TGT=(uname -m)-lfs-linux-gnu</parameter></term>
+ <listitem>
<para>The <envar>LFS_TGT</envar> variable sets a non-default, but compatible machine
description for use when building our cross compiler and linker and when cross
compiling our temporary toolchain. More information is contained in
<xref linkend="ch-tools-toolchaintechnotes" role=""/>.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><parameter>PATH=/tools/bin:/bin:/usr/bin</parameter></term>
+ <listitem>
<para>By putting <filename class="directory">/tools/bin</filename> ahead of the
standard <envar>PATH</envar>, all the programs installed in <xref
linkend="chapter-temporary-tools"/> are picked up by the shell immediately after
their installation. This, combined with turning off hashing, limits the risk
that old programs are used from the host when the same programs are available in
- the chapter 5 environment.</para>
+ the Chapter 5 environment.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><parameter>export LFS LC_ALL LFS_TGT PATH</parameter></term>
+ <listitem>
+ <para>While the above commands have set some variables, in order
+ to make them visible within any sub-shells, we export them</para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
<para>Finally, to have the environment fully prepared for building the
temporary tools, source the just-created user profile:</para>
diff --git a/chapter05/dejagnu.xml b/chapter05/dejagnu.xml
index bae0ed7d9..a821e9bba 100644
--- a/chapter05/dejagnu.xml
+++ b/chapter05/dejagnu.xml
@@ -23,8 +23,9 @@
<sect2 role="package">
<title/>
- <para>The DejaGNU package contains a framework for testing other
- programs.</para>
+ <para>The <application>DejaGnu</application> package contains a framework for running test
+ suites on GNU tools. It is written in <command>expect</command>, which itself
+ uses <application>Tcl</application> (Tool Command Language).</para>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
diff --git a/chapter05/expect.xml b/chapter05/expect.xml
index ae6f50026..a2cc67d0e 100644
--- a/chapter05/expect.xml
+++ b/chapter05/expect.xml
@@ -23,8 +23,15 @@
<sect2 role="package">
<title/>
- <para>The Expect package contains a program for carrying out scripted
- dialogues with other interactive programs.</para>
+ <para>The <application>Expect</application> package contains tools for
+ automating, via scripted dialogues, interactive applications such as
+ <command>telnet</command>, <command>ftp</command>,
+ <command>passwd</command>, <command>fsck</command>,
+ <command>rlogin</command>, and <command>tip</command>.
+ <application>Expect</application> is also useful for testing these same
+ applications as well as easing all sorts of tasks that are prohibitively
+ difficult with anything else. The <application>DejaGnu</application>
+ framework is written in <application>Expect</application>.</para>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
diff --git a/chapter05/tcl.xml b/chapter05/tcl.xml
index a186e0fde..f2265fd8d 100644
--- a/chapter05/tcl.xml
+++ b/chapter05/tcl.xml
@@ -23,7 +23,9 @@
<sect2 role="package">
<title/>
- <para>The Tcl package contains the Tool Command Language.</para>
+ <para>The <application>Tcl</application> package contains the Tool Command Language,
+ a robust general-purpose scripting language. The <application>Expect</application> package
+ is written in the <application>Tcl</application> language.</para>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
diff --git a/general.ent b/general.ent
index f8ae867aa..99ec601f1 100644
--- a/general.ent
+++ b/general.ent
@@ -1,13 +1,13 @@
-<!ENTITY version "SVN-20200319">
+<!ENTITY version "SVN-20200329">
<!ENTITY short-version "svn"> <!-- Used below in &blfs-book;
Change to x.y for release but not -rc releases -->
<!ENTITY generic-version "development"> <!-- Use "development" or "x.y[-pre{x}]" -->
-<!ENTITY versiond "20200319-systemd">
+<!ENTITY versiond "20200329-systemd">
<!ENTITY short-versiond "systemd">
<!ENTITY generic-versiond "systemd">
-<!ENTITY releasedate "March 19th, 2020">
+<!ENTITY releasedate "March 29th, 2020">
<!ENTITY copyrightdate "1999-2020"><!-- jhalfs needs a literal dash, not &ndash; -->