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grammar fixes from Alex
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2447 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
This commit is contained in:
Gerard Beekmans
parent
212a71b0a3
commit
d3d229f32e
@ -2,10 +2,10 @@
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<sect2><title>Configuring Glibc</title>
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<para>We need to create the /etc/nsswitch.conf file. Although glibc should
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provide defaults when this file is missing or corrupt, its defaults don't work
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well with networking. That is dealt with in a later chapter. Also, our
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timezone needs to be set up.</para>
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<para>We need to create the <filename>/etc/nsswitch.conf</filename> file,
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because, although Glibc provides defaults when this file is missing or corrupt,
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the Glibc defaults don't work well with networking. Also, our timezone needs
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to be set up.</para>
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<para>Create a new file <filename>/etc/nsswitch.conf</filename> by running the
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following:</para>
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@ -32,27 +32,21 @@ netgroup: db files
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# End /etc/nsswitch.conf
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<userinput>EOF</userinput></screen></para>
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<para>The <userinput>tzselect</userinput> script has to be run and the
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questions regarding your timezone have to be answered.
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When you're done, the script will give the
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location of the needed timezone file.</para>
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<para>To find out what timezone you're in, run the following script:</para>
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<para> Create the <filename class="directory">/etc/localtime</filename> symlink
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by running:</para>
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<para><screen><userinput>tzselect</userinput></screen></para>
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<para><screen><userinput>ln -sf ../usr/share/zoneinfo/<tzselect's output> /etc/localtime</userinput></screen></para>
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<para>tzselect's output can be something like <emphasis>EST5EDT</emphasis> or
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<emphasis>Canada/Eastern</emphasis>.</para>
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<para>The symlink you'd create with that information would be:</para>
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<para><screen><userinput>ln -sf ../usr/share/zoneinfo/EST5EDT /etc/localtime</userinput></screen></para>
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<para>Or:</para>
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<para>When you've answered a few questions about your location, the script will
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output the name of your timezone, something like <emphasis>EST5EDT</emphasis>
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or <emphasis>Canada/Eastern</emphasis>. Then create the
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<filename>/etc/localtime</filename> symlink by running:</para>
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<para><screen><userinput>ln -sf ../usr/share/zoneinfo/Canada/Eastern /etc/localtime </userinput></screen></para>
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<para>Of course, instead of <emphasis>Canada/Eastern</emphasis>, fill in
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the name of the timezone that the <userinput>tzselect</userinput> script
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gave you.</para>
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</sect2>
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<sect2><title> </title><para> </para></sect2>
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@ -3,38 +3,37 @@
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<sect2>
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<title>Glibc installation</title>
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<para>Before starting to install glibc, you must cd into the
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glibc-&glibc-version; directory and unpack glibc-linuxthreads inside
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the glibc-&glibc-version; directory, not in /usr/src as you normally
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would do.</para>
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<para>Before starting to install Glibc, you must <userinput>cd</userinput>
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into the <filename>glibc-&glibc-version;</filename> directory and unpack
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Glibc-linuxthreads in that directory, not in <filename>/usr/src</filename> as
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you would normally do.</para>
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<para>This package is known to behave badly when you have changed its
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default optimization flags (including the -march and -mcpu options).
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Therefore, if you have defined any environment variables that override
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default optimizations, such as CFLAGS and CXXFLAGS, we recommend unsetting
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or modifying them when building Glibc.</para>
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them when building Glibc.</para>
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<para>Basically, compiling Glibc in any other way than the book suggests
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is putting your system at a very high risk.</para>
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<para>We'll start by applying a patch to Glibc that fixes the following:</para>
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<para>We'll start by applying a patch that does the following:</para>
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<itemizedlist>
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<listitem><para>It converts all occurrences of <emphasis>$(PERL)</emphasis>
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to <emphasis>/usr/bin/perl</emphasis> in the
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<filename>malloc/Makefile</filename> file. This is done because Glibc
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can't autodetect the location of perl because the Perl package hasn't been
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installed yet. And if Glibc thinks Perl isn't installed, the
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<userinput>mtrace</userinput> perl program won't be installed
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can't autodetect the location of <filename>perl</filename> because the Perl
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package hasn't been installed yet. And if Glibc thinks Perl isn't installed, the
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perl program <filename>mtrace</filename> won't be installed
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either.</para></listitem>
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<listitem><para>It replaces all occurrences of <emphasis>root</emphasis>
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with <emphasis>0</emphasis> in the <filename>login/Makefile</filename>
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file. This is done because Glibc itself isn't installed yet and therefore
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username to userid resolving isn't working yet, so a
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<userinput>chown root file</userinput> will fail, however it'll work fine
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if you use the numeric IDs (such as <userinput>chown 0
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file</userinput>).</para></listitem>
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username-to-userid resolving isn't working yet, so a
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<userinput>chown root file</userinput> would fail. Using numeric IDs (as in
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<userinput>chown 0 file</userinput>) works fine.</para></listitem>
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</itemizedlist>
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@ -45,14 +44,14 @@ to crash that were linked against Glibc-2.2 or older libraries. Even though
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static binaries have all the necessary parts of Glibc built-in, they still
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rely on one external library set: Glibc's NSS libraries. These libraries,
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among other things, tell programs where the system's password database is
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(/etc/password, or NIS, or whatever other scheme has been
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configured).</para>
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(in <filename>/etc/password</filename>, NIS, or whatever other scheme has
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been configured).</para>
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<para>Glibc has undergone some changes since version 2.2.x and the new NSS
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code is incompatible with the old one. So when Glibc is installed, it will
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install its new NSS libraries and static programs will load these new NSS
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libraries and start to abort with <emphasis>segmentation fault</emphasis>
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error. This patch undoes a few of the changes to overcome the problem.</para>
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code is incompatible with the old one. So when Glibc is installed it will
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install its new NSS libraries, and static programs will load these new NSS
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libraries and will abort with a <emphasis>segmentation fault</emphasis>
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error. This patch undoes some of the changes to overcome the problem.</para>
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<para>If you started chapter 5 with a host system that uses Glibc-2.2.x
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or older, you must apply the following patch. We will install Glibc again at
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@ -66,8 +65,8 @@ and abort with an error if the file is missing, so we must create it:</para>
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<para><screen><userinput>touch /etc/ld.so.conf</userinput></screen></para>
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<para>It is recommended by the Glibc installation documentation to build
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Glibc outside of the source directory in a dedicated directory:</para>
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<para>The documentation that comes with Glibc recommends to build the package
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not in the source directory but in a separate, dedicated directory:</para>
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<para><screen><userinput>mkdir ../glibc-build &&
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cd ../glibc-build</userinput></screen></para>
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@ -82,15 +81,15 @@ cd ../glibc-build</userinput></screen></para>
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<itemizedlist>
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<listitem><para><userinput>--disable-profile</userinput>: This disables the
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building of libraries with profiling information. This command may be
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omitted if you plan to do profiling.</para></listitem>
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building of the libraries with profiling information. Omit this option if you
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plan to do profiling.</para></listitem>
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<listitem><para><userinput>--enable-add-ons</userinput>: This enables the
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add-on that we install with Glibc, linuxthreads</para></listitem>
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<listitem><para><userinput>--enable-add-ons</userinput>: This enables any
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add-ons that we installed with Glibc, in our case Linuxthreads.</para></listitem>
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<listitem><para><userinput>--libexecdir=/usr/bin</userinput>: This will
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cause the pt_chown program to be installed in the /usr/bin
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directory.</para></listitem>
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cause the <filename>pt_chown</filename> program to be installed in the
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<filename>/usr/bin</filename> directory.</para></listitem>
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</itemizedlist>
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<para>During this stage you will see the following warning:</para>
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@ -100,22 +99,23 @@ directory.</para></listitem>
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*** some features will be disabled.
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*** Check the INSTALL file for required versions.</screen></blockquote>
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<para>The missing msgfmt (from the gettext package which we will install
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later in this chapter) won't cause any problems. msgfmt is used to generate
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the binary translation files that are used to make your system talk in a
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different language. Because these translation files have already been
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generated for you, there is no need for msgfmt. You'd only need msgfmt if
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you change the translation source files (the <filename>*.po</filename>
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files in the <filename class="directory">po</filename> subdirectory) which
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would require you to re-generate the binary files.</para>
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<para>The missing <filename>msgfmt</filename> program (from the Gettext
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package, which we'll install later) won't cause any problems. The
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<filename>msgfmt</filename> is used to generate the binary translation
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files that can make your system talk in a different language. Because these
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translation files have already been generated for you, there is no need for
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<filename>msgfmt</filename>. You'd only need the program if you change the
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translation source files (the <filename>*.po</filename> files in the
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<filename class="directory">po</filename> subdirectory), which
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would require you to regenerate the binary files.</para>
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<para>Because Glibc hasn't been installed yet, one of the tests that was
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run by the configure script failed. This test is supposed to test gcc to
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determine whether or not a cross-compiler is installed. However, Glibc
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needs to be installed already to run this test. Since the test failed, the
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configure script automatically assumed we do have a cross-compiler. We have
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to override that assumption by explicitly telling Glibc we're not
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cross-compiling. Not doing this has a couple of unintended side effects,
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run by the configure script has failed. This test is supposed to test
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<filename>gcc</filename> to determine whether a cross-compiler is installed.
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However, Glibc needs to be already installed to run this test. Since the test
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failed, the configure script assumes we have a cross-compiler. We override
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that assumption by explicitly telling Glibc we're not cross-compiling.
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Not doing this would have a couple of unintended side effects,
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such as the timezone files not being installed.</para>
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<para><screen><userinput>echo "cross-compiling = no" > configparms</userinput></screen></para>
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@ -132,21 +132,19 @@ time at the end of this chapter.</para>
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<para><screen><userinput>make install</userinput></screen></para>
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<para>Locales aren't installed when you ran
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<userinput>make install</userinput>, so we have to do that ourselves now.
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Locales are used by Glibc to make your Linux system talk in a different
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language:</para>
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<para>The locales (used by Glibc to make your Linux system talk in a different
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language) weren't installed when you ran the previous command, so we have to
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do that ourselves now:</para>
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<para><screen><userinput>make localedata/install-locales</userinput></screen></para>
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<para>An alternative to running <userinput>make
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localedata/install-locales</userinput> is to only install those locales
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which you need or want. This can be achieved using the localedef
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command. Information on this can be found in the INSTALL
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file in the glibc-&glibc-version; tree.</para>
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<para>An alternative to running the previous command is to install only those
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locales which you need or want. This can be achieved using the localedef
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command. Information on this can be found in the <filename>INSTALL</filename>
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file in the <filename>glibc-&glibc-version;</filename> tree.</para>
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<para>To finish off the installation we'll reload Bash so it uses the
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libnss files. This will also get rid of the
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<para>To finish off the installation we'll reload Bash so it will use the new
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<filename>libnss_*</filename> files. This will also get rid of the
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<emphasis>I have no name!</emphasis> message in the command prompt:</para>
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<para><screen><userinput>exec /static/bin/bash --login</userinput></screen></para>
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@ -4,8 +4,8 @@
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<!ENTITY book SYSTEM "book/book.xml">
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<!ENTITY version "20030217">
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<!ENTITY releasedate "February 17th, 2003">
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<!ENTITY version "20030219">
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<!ENTITY releasedate "February 19th, 2003">
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<!ENTITY ftp-root "ftp://ftp.linuxfromscratch.org">
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<!ENTITY http-root "http://ftp.linuxfromscratch.org">
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