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Fixed sanity checks to work after final GCC and changed their format.

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Resolves ticket #1768.


git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7583 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
This commit is contained in:
Jeremy Huntwork 2006-05-03 02:37:49 +00:00
parent fffff976f5
commit 09f1daf453
3 changed files with 141 additions and 46 deletions
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4
chapter01/changelog.xml
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@ -39,6 +39,10 @@
<listitem> <listitem>
<para>May 2, 2006</para> <para>May 2, 2006</para>
<itemizedlist> <itemizedlist>
<listitem>
<para>[jhuntwork] - Fixed sanity checks to work after final GCC
and changed their format. Resolves ticket #1768.</para>
</listitem>
<listitem> <listitem>
<para>[archaic] - Removed mention of usbfs from the fstab page since <para>[archaic] - Removed mention of usbfs from the fstab page since
it is already covered in BLFS.</para> it is already covered in BLFS.</para>

100
chapter06/gcc.xml
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@ -112,14 +112,98 @@ cd ../gcc-build</userinput></screen>
<screen><userinput>ln -sv gcc /usr/bin/cc</userinput></screen> <screen><userinput>ln -sv gcc /usr/bin/cc</userinput></screen>
<note> <para>Now that our final toolchain is in place, it is important to again ensure
<para>At this point, it is strongly recommended to repeat the sanity that compiling and linking will work as expected. We do this by performing
check performed earlier in this chapter. Refer back to <xref the same sanity checks as we did earlier in the chapter:</para>
linkend="ch-system-readjusting" role=","/> and repeat the check. If
the results are in error, then the most likely reason is that the GCC <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
Specs patch from <xref linkend="chapter-temporary-tools"/> was href="readjusting.xml"
erroneously applied here.</para> xpointer="xpointer(//*[@os='a'])"/>
</note>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='b'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='c'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='d'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='e'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='f'])"/>
<screen><computeroutput>/usr/lib/gcc/i686-pc-linux-gnu/&gcc-version;/../../../crt1.o succeeded
/usr/lib/gcc/i686-pc-linux-gnu/&gcc-version;/../../../crti.o succeeded
/usr/lib/gcc/i686-pc-linux-gnu/&gcc-version;/../../../crtn.o succeeded</computeroutput></screen>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='g'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='h'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='i'])"/>
<screen><computeroutput>SEARCH_DIR("/usr/i686-pc-linux-gnu/lib")
SEARCH_DIR("/usr/local/lib")
SEARCH_DIR("/lib")
SEARCH_DIR("/usr/lib");</computeroutput></screen>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='j'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='k'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='l'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='m'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='n'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='o'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='p'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='q'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='r'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='s'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="readjusting.xml"
xpointer="xpointer(//*[@os='t'])"/>
</sect2> </sect2>

83
chapter06/readjusting.xml
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@ -52,65 +52,72 @@ perl -p -e 's@/tools/lib/ld-linux.so.2@/lib/ld-linux.so.2@g;' \
linkend="ch-tools-toolchaintechnotes" role=","/> if necessary.</para> linkend="ch-tools-toolchaintechnotes" role=","/> if necessary.</para>
</important> </important>
<caution> <para>It is imperative at this point to ensure that the basic
<para>It is imperative at this point to stop and ensure that the basic functions (compiling and linking) of the adjusted toolchain are working
functions (compiling and linking) of the adjusted toolchain are working as expected. To do this, perform the following sanity checks:</para>
as expected. To do this, perform a sanity check:</para>
<screen><userinput>echo 'main(){}' &gt; dummy.c <screen role="nodump" os="a"><userinput>echo 'main(){}' &gt; dummy.c
cc dummy.c -Wl,--verbose &amp;&gt; dummy.log cc dummy.c -Wl,--verbose &amp;&gt; dummy.log
readelf -l a.out | grep ': /lib'</userinput></screen> readelf -l a.out | grep ': /lib'</userinput></screen>
<para>If everything is working correctly, there should be no errors, <para os="b">If everything is working correctly, there should be no errors,
and the output of the last command will be (allowing for and the output of the last command will be (allowing for
platform-specific differences in dynamic linker name):</para> platform-specific differences in dynamic linker name):</para>
<screen><computeroutput>[Requesting program interpreter: /lib/ld-linux.so.2]</computeroutput></screen> <screen os="c"><computeroutput>[Requesting program interpreter: /lib/ld-linux.so.2]</computeroutput></screen>
<para>Note that <filename class="directory">/lib</filename> is now <para>Note that <filename class="directory">/lib</filename> is now
the prefix of our dynamic linker.</para> the prefix of our dynamic linker.</para>
<para>Now make sure that we're setup to use the correct start files:</para> <para os="d">Now make sure that we're setup to use the correct startfiles:</para>
<screen><userinput>grep "/usr/lib/crt.* " dummy.log</userinput></screen> <screen role="nodump" os="e"><userinput>grep -o '/usr/lib.*/crt[1in].* .*' dummy.log</userinput></screen>
<para>If everything is working correctly, there should be no errors, <para os="f">If everything is working correctly, there should be no errors,
and the output of the last command will be:</para> and the output of the last command will be:</para>
<screen><computeroutput>attempt to open /usr/lib/crt1.o succeeded <screen><computeroutput>/usr/lib/crt1.o succeeded
attempt to open /usr/lib/crti.o succeeded /usr/lib/crti.o succeeded
attempt to open /usr/lib/crtn.o succeeded</computeroutput></screen> /usr/lib/crtn.o succeeded</computeroutput></screen>
<para>Next make sure that we're using the correct libc:</para> <para os="g">Next, verify that the new linker is being used with the correct search paths:</para>
<screen><userinput>grep "/lib/libc.so.6 " dummy.log</userinput></screen> <screen role="nodump" os="h"><userinput>grep 'SEARCH.*/usr/lib' dummy.log |sed 's|; |\n|g'</userinput></screen>
<para>If everything is working correctly, there should be no errors, <para os="i">If everything is working correctly, there should be no errors,
and the output of the last command will be:</para> and the output of the last command will be:</para>
<screen><computeroutput>attempt to open /lib/libc.so.6 succeeded</computeroutput></screen> <screen><computeroutput>SEARCH_DIR("/tools/i686-pc-linux-gnu/lib")
SEARCH_DIR("/usr/lib")
SEARCH_DIR("/lib");</computeroutput></screen>
<para>Lastly, make sure GCC is using the correct dynamic linker:</para> <para os="j">Next make sure that we're using the correct libc:</para>
<screen><userinput>grep found dummy.log</userinput></screen> <screen role="nodump" os="k"><userinput>grep "/lib/libc.so.6 " dummy.log</userinput></screen>
<para>If everything is working correctly, there should be no errors, <para os="l">If everything is working correctly, there should be no errors,
and the output of the last command will be (allowing for and the output of the last command will be:</para>
platform-specific differences in dynamic linker name):</para>
<screen><computeroutput>found ld-linux.so.2 at /lib/ld-linux.so.2</computeroutput></screen> <screen os="m"><computeroutput>attempt to open /lib/libc.so.6 succeeded</computeroutput></screen>
<para>If the output does not appear as shown above or is not received <para os="n">Lastly, make sure GCC is using the correct dynamic linker:</para>
at all, then something is seriously wrong. Investigate and retrace the
steps to find out where the problem is and correct it. The most likely
reason is that something went wrong with the specs file amendment
above. Any issues will need to be resolved before continuing on with
the process.</para>
<para>Once everything is working correctly, clean up the test <screen role="nodump" os="o"><userinput>grep found dummy.log</userinput></screen>
files:</para>
<screen><userinput>rm -v dummy.c a.out dummy.log</userinput></screen> <para os="p">If everything is working correctly, there should be no errors,
</caution> and the output of the last command will be (allowing for
platform-specific differences in dynamic linker name):</para>
<screen os="q"><computeroutput>found ld-linux.so.2 at /lib/ld-linux.so.2</computeroutput></screen>
<para os="r">If the output does not appear as shown above or is not received
at all, then something is seriously wrong. Investigate and retrace the
steps to find out where the problem is and correct it. The most likely
reason is that something went wrong with the specs file adjustment. Any
issues will need to be resolved before continuing on with the process.</para>
<para os="s">Once everything is working correctly, clean up the test files:</para>
<screen role="nodump" os="t"><userinput>rm -v dummy.c a.out dummy.log</userinput></screen>
</sect1> </sect1>