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@@ -3,63 +3,6 @@
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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 <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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-
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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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-them when building Glibc.</para>
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-
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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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-
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-<para>We'll start by applying a patch that does the following:</para>
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-
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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 <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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-
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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> would fail. Using numeric IDs (as in
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-<userinput>chown 0 file</userinput>) works fine.</para></listitem>
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-
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-</itemizedlist>
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-
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-<para><screen><userinput>patch -Np1 -i ../glibc-&glibc-rootperl-patch-version;-root-perl.patch</userinput></screen></para>
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-
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-<para>There is a potential problem that causes statically linked binaries
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-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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-(in <filename>/etc/password</filename>, NIS, or whatever other scheme has
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-been configured).</para>
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-
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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 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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-
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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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-the end of this chapter to remove this patch so you'll have a pristine Glibc
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-as the developers intended it.</para>
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-
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-<para><screen><userinput>patch -Np1 -i ../glibc-&glibc-libnss-patch-version;-libnss.patch</userinput></screen></para>
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-
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<para>Glibc will check for the <filename>/etc/ld.so.conf</filename> file
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and abort with an error if the file is missing, so we must create it:</para>
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@@ -73,9 +16,12 @@ cd ../glibc-build</userinput></screen></para>
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<para>Next, prepare Glibc to be compiled:</para>
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-<para><screen><userinput>../glibc-&glibc-version;/configure --prefix=/usr \
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+<para><screen><userinput>CFLAGS="-O2 -pipe" \
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+ ../glibc-&glibc-version;/configure --prefix=/usr \
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--disable-profile --enable-add-ons \
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- --libexecdir=/usr/bin</userinput></screen></para>
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+ --libexecdir=/usr/bin \
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+ --with-headers=/usr/include \
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+ --mandir=/usr/share/man --infodir=/usr/share/info</userinput></screen></para>
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<para>The meaning of the configure options are:</para>
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@@ -130,6 +76,8 @@ working Perl installation. We'll install Perl later on in this chapter,
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and the man pages will be installed when Glibc is installed for the second
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time at the end of this chapter.</para>
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+<para><screen><userinput>make check</userinput></screen></para>
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+
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<para><screen><userinput>make install</userinput></screen></para>
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<para>The locales (used by Glibc to make your Linux system talk in a different
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