diff options
Diffstat (limited to 'chapter06')
| -rw-r--r-- | chapter06/glibc-inst.xml | 124 | ||||
| -rw-r--r-- | chapter06/glibc.xml | 1 |
2 files changed, 97 insertions, 28 deletions
diff --git a/chapter06/glibc-inst.xml b/chapter06/glibc-inst.xml index 4370cf1de..a36ad7d5d 100644 --- a/chapter06/glibc-inst.xml +++ b/chapter06/glibc-inst.xml @@ -1,9 +1,6 @@ <sect2> <title>Installation of Glibc</title> -<para>This package requires its patch to be applied before you can -install it.</para> - <para>Before starting to install glibc, you must cd into the glibc-&glibc-version; directory and unpack glibc-linuxthreads inside the glibc-&glibc-version; directory, not in /usr/src as you normally @@ -19,33 +16,54 @@ been warned.</para> <para>Basically, compiling Glibc in any other way than the book suggests is putting your system at very high risk.</para> -<para>Install Glibc by running the following commands:</para> +<para>We'll start by applying a patch to Glibc that fixes a few +things:</para> -<para><screen><userinput>patch -Np1 -i ../glibc-&glibc-patch-version;.patch && -touch /etc/ld.so.conf && -mkdir ../glibc-build && -cd ../glibc-build && -../glibc-&glibc-version;/configure --prefix=/usr --disable-profile \ - --enable-add-ons --libexecdir=/usr/bin && -echo "cross-compiling = no" > configparms && -make && -make install && -make localedata/install-locales && -exec /static/bin/bash --login</userinput></screen></para> +<itemizedlist> +<listitem><para>It converts all occurrences of <emphasis>$(PERL)</emphasis> +to <emphasis>/usr/bin/perl</emphasis> in the +<filename>malloc/Makefile</filename> file. This is done because Glibc +can't autodetect the location of perl because the Perl package hasn't been +installed yet.</para></listitem> -<para>An alternative to running <userinput>make -localedata/install-locales</userinput> is to only install those locales -which you need or want. This can be achieved using the localedef -command. Information on this can be found in the INSTALL -file in the glibc-&glibc-version; tree. One thing to note is that the -<userinput>localedef</userinput> program assumes that the <filename -class="directory">/usr/lib/locale</filename> directory exists, so you need -to create it first.</para> +<listitem><para>It replaces all occurrences of <emphasis>root</emphasis> +with <emphasis>0</emphasis> in the <filename>login/Makefile</filename> +file. This is done because Glibc itself isn't installed yet and therefore +username to userid resolving isn't working yet, so a +<userinput>chown root file</userinput> will fail, however it'll work fine +if you use the numeric IDs (such as <userinput>chown 0 +file</userinput>).</para></listitem> + +<listitem><para>Lastly, the patch also fixes a problem that causes +statically linked binaries to crash that were linked against Glibc-2.2 +libraries. This patch is only needed temporarily because we have static +programs in <filename class="directory">/static/bin</filename> that might +be linked against an older Glibc version (the one from the host +distribution). We will install Glibc again at the end of this chapter to +remove this patch so you'll have a pristine Glibc as the developers +intended it.</para></listitem> +</itemizedlist> + +<para><screen><userinput>patch -Np1 -i ../glibc-&glibc-patch-version;.patch</userinput></screen></para> + +<para>Glibc will check for the <filename>/etc/ld.so.conf</filename> file +and abort with an error if the file is missing, so we create it.</para> -<para>The Linux Threads man pages are not going to be installed at this -point because it requires a working Perl installation. We'll install Perl -later on in this chapter, and the man pages will be installed when Glibc is -installed for the second time at the end of this chapter.</para> +<para><screen><userinput>touch /etc/ld.so.conf</userinput></screen></para> + +<para>It is recommended by the Glibc installation documentation to build +Glibc outside of the source directory in a dedicated directory. Let's +create such a directory and make it our CWD (Current Working +Directory).</para> + +<para><screen><userinput>mkdir ../glibc-build && +cd ../glibc-build &&</userinput></screen></para> + +<para>Next, configure Glibc.</para> + +<para><screen><userinput>../glibc-&glibc-version;/configure --prefix=/usr \ + --disable-profile --enable-add-ons \ + --libexecdir=/usr/bin</userinput></screen></para> <para>During the configure stage you will see the following warning:</para> @@ -63,5 +81,57 @@ you change the translation source files (the <filename>*.po</filename> files in the <filename class="directory">po</filename> subdirectory) which would require you to re-generate the binary files.</para> +<para>The meaning of the configure switches are:</para> + +<itemizedlist> +<listitem><para><userinput>--disable-profile:</userinput> This disables the +building of libraries with profiling information. This command may be +omitted if you plan to do profiling.</para></listitem> + +<listitem><para><userinput>--enable-add-ons:</userinput> This enables the +add-on that we install with Glibc, linuxthreads</para></listitem> + +<listitem><para><userinput>--libexecdir=/usr/bin:</userinput> This will +cause the pt_chown program to be installed in the /usr/bin +directory.</para></listitem> +</itemizedlist> + +<para>Because Glibc hasn't been installed yet, one of the tests that was +run by the configure script failed. This test is supposed to test gcc to +determine whether or not a cross-compiler is installed. However, Glibc +needs to be installed already to run this test. Since the test failed, the +configure script automatically assumed we do have a cross-compiler. So, +we have to override that assumption by explicitly telling Glibc we're not +cross-compiling.</para> + +<para><screen><userinput>echo "cross-compiling = no" > configparms</userinput></screen></para> + +<para>We'll continue with compiling and installing Glibc. The Linuxthreads man +pages are not going to be installed at this point because it requires a +working Perl installation. We'll install Perl later on in this chapter, +and the man pages will be installed when Glibc is installed for the second +time at the end of this chapter.</para> + +<para><screen><userinput>make && +make install</userinput></screen></para> + +<para>Locales aren't installed by default so we install them now. Locales +are used by Glibc to make your Linux system talk in a different language +such as your native tongue.</para> + +<para><screen><userinput>make localedata/install-locales</userinput></screen></para> + +<para>An alternative to running <userinput>make +localedata/install-locales</userinput> is to only install those locales +which you need or want. This can be achieved using the localedef +command. Information on this can be found in the INSTALL +file in the glibc-&glibc-version; tree.</para> + +<para>To finish off the installation we'll reload Bash so it uses the new +libnss files. This will get rid of the <emphasis>I have no name!</emphasis> +message in the command prompt.</para> + +<para><screen><userinput>exec /static/bin/bash --login</userinput></screen></para> + </sect2> diff --git a/chapter06/glibc.xml b/chapter06/glibc.xml index f0697f74d..6e6240d89 100644 --- a/chapter06/glibc.xml +++ b/chapter06/glibc.xml @@ -6,7 +6,6 @@ Estimated required disk space: &glibc-compsize;</screen> &c6-glibc-inst; -&c6-glibc-exp; &aa-glibc-desc; &aa-glibc-dep; |