mirror of https://github.com/tLDP/LDP
73 lines
3.2 KiB
XML
73 lines
3.2 KiB
XML
<sect2>
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<title>Installation of Glibc</title>
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<para>This package requires its patch to be applied before you can
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install it. Make sure it's unpacked before running the installation
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commands.</para>
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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>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). Glibc
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is best left alone. Therefore, if you have defined any environment variables
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that override default optimizations, such as CFLAGS and CXXFLAGS, we
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recommend unsetting or modifying them when building Glibc. You have
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been warned.</para>
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<para>Also, don't pass the --enable-kernel option to the configure
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script. It's known to cause segmentation faults when other packages like
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fileutils, make and tar are linked against it.</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 very high risk.</para>
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<para>Install Glibc by running the following commands:</para>
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<para><screen><userinput>patch -Np1 -i ../glibc-&glibc-patch-version;.patch &&
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touch /etc/ld.so.conf &&
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mkdir ../glibc-build &&
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cd ../glibc-build &&
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../glibc-&glibc-version;/configure --prefix=/usr --disable-profile \
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--enable-add-ons --libexecdir=/usr/bin &&
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echo "cross-compiling = no" > configparms &&
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make &&
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make install &&
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make localedata/install-locales &&
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exec /static/bin/bash --login</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. One thing to note is that the
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<userinput>localedef</userinput> program assumes that the <filename
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class="directory">/usr/lib/locale</filename> directory exists, so you need
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to create it first.</para>
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<para>The Linux Threads man pages are not going to be installed at this
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point because it requires a working Perl installation. We'll install Perl
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later on in this chapter, so we'll come back to the Linux Threads man page
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installation after that.</para>
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<para>During the configure stage you will see the following warning:</para>
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<blockquote><screen>configure: warning:
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*** These auxiliary programs are missing or too old: msgfmt
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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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</sect2>
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