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git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2673 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
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@ -82,6 +82,16 @@
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</itemizedlist>
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</itemizedlist>
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</para></listitem>
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</para></listitem>
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<listitem><para>August 17th, 2003 [alex]: Moved the adjusting of the toolchain
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from chapter 6 to the end of chapter 5.</para></listitem>
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<listitem><para>August 17th, 2003 [alex]: Chapter 05 - From Bash to Perl:
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put text in between commands. Added a section on stripping unneeded
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symbols to decrease the size of the tools.</para></listitem>
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<listitem><para>August 16th, 2003 [alex]: Chapter 05 - From Make to Texinfo:
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put text in between commands.</para></listitem>
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<listitem><para>August 11th, 2003 [alex]: Chapter 05 - From Binutils Pass 1 to
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<listitem><para>August 11th, 2003 [alex]: Chapter 05 - From Binutils Pass 1 to
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Findutils: several small textual adjustments. For the second passes not giving
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Findutils: several small textual adjustments. For the second passes not giving
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the contents and dependencies.</para></listitem>
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the contents and dependencies.</para></listitem>
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@ -35,6 +35,60 @@
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&c5-utillinux;
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&c5-utillinux;
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&c5-perl;
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&c5-perl;
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<sect1 id="ch05-adjustingtoolchain">
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<title>Re-adjusting the toolchain</title>
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<?dbhtml filename="adjustingtoolchain.html" dir="chapter05"?>
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<para>Now that we have compiled all the necessary tools, it is time to
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re-adjust our toolchain. We will set it up so that it will link any newly
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compiled program against the new Glibc, which is the first thing to get
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compiled in the next chapter. Basically, this is the reverse of what we did
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in the "Locking in" stage in the beginning of this chapter.</para>
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<para>The first thing to do is to adjust the linker scripts. For this we
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retained the <filename>binutils-build</filename> directory from the second
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pass over Binutils. Do the following:</para>
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<para><screen><userinput>cd binutils-build
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make -C ld INSTALL=/stage1/bin/install install-data-local</userinput></screen></para>
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<para>This installs the adjusted linker scripts. The linker scripts now contain
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no mention of <filename>/stage1/lib</filename>. From now on every compiled
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program will link <emphasis>only</emphasis> against the libraries in
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<filename>/usr/lib</filename> and <filename>/lib</filename>. The extra
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<userinput>INSTALL=/stage1/bin/install</userinput> is needed because the
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Makefile created during the second pass still contains the reference to
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<filename>/usr/bin/install</filename>, which we obviously haven't installed
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yet.</para>
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<para>You can now remove the Binutils source and build directories.</para>
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<para>The next thing to do is to amend our GCC specs file so that it points to
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the new dynamic linker. Just like earlier on, we use a sed to accomplish
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this:</para>
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<para><screen><userinput>CURRENTSPECFILE=/stage1/lib/gcc-lib/*/*/specs
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sed -e 's@/stage1/lib/ld.so.1@/lib/ld.so.1@g' \
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-e 's@/stage1/lib/ld-linux.so.2@/lib/ld-linux.so.2@g' \
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$CURRENTSPECFILE > newspecfile
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mv newspecfile $CURRENTSPECFILE
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unset CURRENTSPECFILE</userinput></screen></para>
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<para>Again, cutting and pasting the above is recommended. And just like
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before, it is a good idea to check the linker scripts and the specs file to
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ensure the intended changes were actually made.</para>
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<para>Note that the linker scripts will still contain a reference to
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<filename>/stage1/i686-pc-linux-gnu/lib</filename>. This is unavoidable, but
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luckily does not present a problem. There are no libraries in that location
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as all the temporary stage1 libraries are located in
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<filename>/stage1/lib</filename>.</para>
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</sect1>
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<sect1 id="ch05-stripping">
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<sect1 id="ch05-stripping">
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<title>Stripping</title>
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<title>Stripping</title>
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<?dbhtml filename="stripping.html" dir="chapter05"?>
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<?dbhtml filename="stripping.html" dir="chapter05"?>
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@ -19,8 +19,8 @@ partition:</para>
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<para>This symlink enables us to compile our toolchain so that it always
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<para>This symlink enables us to compile our toolchain so that it always
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refers to <filename>/stage1</filename>, meaning that the compiler, assembler
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refers to <filename>/stage1</filename>, meaning that the compiler, assembler
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and linker will work both in this chapter (when we are still rummaging around
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and linker will work both in this chapter (when we are still using some tools
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on the host) <emphasis>and</emphasis> in the next (when we are chrooted to
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from the host) <emphasis>and</emphasis> in the next (when we are chrooted to
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the LFS partition).</para>
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the LFS partition).</para>
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</sect1>
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</sect1>
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@ -25,9 +25,5 @@ deprecated headers.</para>
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<para><screen><userinput>make install</userinput></screen></para>
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<para><screen><userinput>make install</userinput></screen></para>
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<para>And make some of the libraries executable:</para>
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<para><screen><userinput>chmod 755 /stage1/lib/*.5.3</userinput></screen></para>
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</sect2>
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</sect2>
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@ -14,7 +14,6 @@
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&c6-kernel;
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&c6-kernel;
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&c6-manpages;
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&c6-manpages;
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&c6-glibc;
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&c6-glibc;
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&c6-adjustingtoolchain;
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&c6-binutils;
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&c6-binutils;
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&c6-gcc;
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&c6-gcc;
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&c6-coreutils;
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&c6-coreutils;
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@ -4,8 +4,8 @@
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<!ENTITY book SYSTEM "book/book.xml">
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<!ENTITY book SYSTEM "book/book.xml">
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<!ENTITY version "20030806">
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<!ENTITY version "20030817">
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<!ENTITY releasedate "August 6th, 2003">
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<!ENTITY releasedate "August 17th, 2003">
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<!ENTITY nbsp " ">
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<!ENTITY nbsp " ">
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<!ENTITY ftp-root "ftp://ftp.linuxfromscratch.org">
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<!ENTITY ftp-root "ftp://ftp.linuxfromscratch.org">
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