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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2763 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
106 lines
4.5 KiB
XML
106 lines
4.5 KiB
XML
<sect2><title> </title><para> </para></sect2>
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<sect2>
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<title>Glibc installation</title>
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<para>The Glibc build system is very well self-contained and will install
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perfectly, even though our compiler specs file and linker scripts are still
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pointing at <filename>/tools</filename>. We cannot adjust the specs and
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ldscripts before the Glibc install, because the Glibc autoconf tests would then
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give bogus results and thus defeat our goal of achieving a clean build.</para>
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<para>Before starting to build Glibc, remember to unpack the Glibc-linuxthreads
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again inside the <filename>glibc-&glibc-version;</filename> directory, and to
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unset any environment variables that override the default optimization
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flags.</para>
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<para>Then apply the same patch we used previously:</para>
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<para><screen><userinput>patch -Np1 -i ../glibc-2.3.2-sscanf-1.patch
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</userinput></screen></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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<para>Now prepare Glibc for compilation:</para>
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<para><screen><userinput>../glibc-&glibc-version;/configure --prefix=/usr \
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--disable-profile --enable-add-ons \
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--libexecdir=/usr/bin --with-headers=/usr/include</userinput></screen></para>
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<para>The meaning of the configure options:</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 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 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 <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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<listitem><para><userinput>--with-headers=/usr/include</userinput>: This
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ensures that the kernel headers in <filename>/usr/include</filename> are used
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for this build. If you don't pass this switch then the headers from
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<filename>/tools/include</filename> are used which of course is not ideal
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(although they should be identical). Using the switch has the advantage
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that you will be informed immediately should you have forgotten to install the
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kernel headers into <filename>/usr/include</filename>.</para></listitem>
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</itemizedlist>
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<para>Compile the package:</para>
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<para><screen><userinput>make</userinput></screen></para>
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<para>Test the results:</para>
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<para><screen><userinput>make check</userinput></screen></para>
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<para>And install the package:</para>
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<para><screen><userinput>make install</userinput></screen></para>
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<para>The locales that can make your system respond in a different language
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weren't installed by the above command. Do it with this:</para>
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<para><screen><userinput>make localedata/install-locales</userinput></screen></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
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<userinput>localedef</userinput> command. Information on this can be found in
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the <filename>INSTALL</filename> file in the
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<filename>glibc-&glibc-version;</filename> tree. However, there are a number
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of locales that are essential for the tests of future packages to pass
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correctly. The following instructions, in place of the install-locales
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command above, will install the minimum set of locales necessary for the
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tests to run successfully:</para>
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<para><screen><userinput>mkdir -p /usr/lib/locale
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localedef -i de_DE -f ISO-8859-1 de_DE
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localedef -i de_DE@euro -f ISO-8859-15 de_DE@euro
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localedef -i en_HK -f ISO-8859-1 en_HK
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localedef -i en_PH -f ISO-8859-1 en_PH
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localedef -i en_US -f ISO-8859-1 en_US
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localedef -i es_MX -f ISO-8859-1 es_MX
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localedef -i fr_FR -f ISO-8859-1 fr_FR
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localedef -i fr_FR@euro -f ISO-8859-15 fr_FR@euro
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localedef -i it_IT -f ISO-8859-1 it_IT
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localedef -i ja_JP -f EUC-JP ja_JP</userinput></screen></para>
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<para>Finally, build the linuxthreads man pages:</para>
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<para><screen><userinput>make -C ../glibc-2.3.2/linuxthreads/man</userinput></screen></para>
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<para>And install these pages:</para>
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<para><screen><userinput>make -C ../glibc-2.3.2/linuxthreads/man install</userinput></screen></para>
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</sect2>
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