source: chapter06/readjusting.xml@ 395942a

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../general.ent">
  %general-entities;
]>
<sect1 id="ch-system-readjusting">
<title>Readjusting the toolchain</title>
<?dbhtml filename="readjusting.html"?>

<para>Install the adjusted linker by running the following from within the
<filename class="directory">binutils-build</filename> directory:</para>

<screen><userinput>make -C ld INSTALL=/tools/bin/install install</userinput></screen>

<para>Amend the GCC specs file:</para>

<!-- Ampersands are needed to allow cut and paste -->

<screen><userinput>perl -pi -e 's@ /tools/lib/ld-linux.so.2@ /lib/ld-linux.so.2@g;' \
    -e 's@\*startfile_prefix_spec:\n@$_/usr/lib/@g;' \
    `gcc --print-file specs`</userinput></screen>

<caution><para>Perform a simple sanity check:</para>

<screen><userinput>echo 'main(){}' &gt; dummy.c
cc dummy.c
readelf -l a.out | grep ': /lib'</userinput></screen>

<para>The output of the last command will be:</para>

<screen><computeroutput>[Requesting program interpreter: /lib/ld-linux.so.2]</computeroutput></screen>

<para>Once you are satisfied that all is well, clean up the test files:</para>

<screen><userinput>rm dummy.c a.out</userinput></screen>
</caution>


</sect1>