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62 lines
2.8 KiB
XML
62 lines
2.8 KiB
XML
<sect2>
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<title>Installation of Glibc</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>This package is known to behave badly when you have changed its default
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optimization flags (including the -march and -mcpu options). Glibc is
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best left alone, so we recommend you unsetting CFLAGS, CXXFLAGS and other
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such variables/settings that would change the default optimization that
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it comes with. 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>mknod -m 0666 /dev/null c 1 3 &&
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touch /etc/ld.so.conf &&
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cp malloc/Makefile malloc/Makefile.backup &&
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sed 's%\$(PERL)%/usr/bin/perl%' malloc/Makefile.backup > malloc/Makefile &&
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cp login/Makefile login/Makefile.backup &&
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sed 's/root/0/' login/Makefile.backup > login/Makefile &&
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mkdir ../glibc-build &&
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cd ../glibc-build &&
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../glibc-&glibc-version;/configure --prefix=/usr \
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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 /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.</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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