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Diffstat (limited to 'chapter06/zlib.xml')
| -rw-r--r-- | chapter06/zlib.xml | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/chapter06/zlib.xml b/chapter06/zlib.xml index 0a204357d..fba00043f 100644 --- a/chapter06/zlib.xml +++ b/chapter06/zlib.xml @@ -7,7 +7,71 @@ Estimated required disk space: &zlib-compsize;</screen> &aa-zlib-shortdesc; &aa-zlib-dep; -&c6-zlib-inst; + +<sect2><title> </title><para> </para></sect2> + +<sect2> +<title>Installation of Zlib</title> + +<para>Zlib has a potential buffer overflow in its +<emphasis>gzprintf()</emphasis> function, that, though difficult to take +advantage of, should be taken care of by applying this patch:</para> + +<screen><userinput>patch -Np1 -i ../&zlib-patch;</userinput></screen> + +<para>Now prepare Zlib for compilation:</para> + +<screen><userinput>./configure --prefix=/usr --shared</userinput></screen> + +<para>Note: Zlib is known to build its shared library incorrectly if a CFLAGS +is specified in the environment. If you are using your own CFLAGS variables, +ensure you add the <emphasis role="strong">-fPIC</emphasis> directive during +this stage, and remove it afterwards.</para> + +<para>Compile the package:</para> + +<screen><userinput>make</userinput></screen> + +<para>Install the shared libraries:</para> + +<screen><userinput>make install</userinput></screen> + +<para>Now also build the non-shared libraries:</para> +<screen><userinput>make clean +./configure --prefix=/usr +make</userinput></screen> + +<para>This package has a test suite available which can perform a number of +checks to ensure it built correctly. Should you choose to run it, the +following command will do so:</para> + +<screen><userinput>make test</userinput></screen> + +<para>And install the package:</para> + +<screen><userinput>make install</userinput></screen> + +<para>The shared Zlib library should be installed in the +<filename>/lib</filename> directory. That way, in the event +that you must boot without the <filename>/usr</filename> +directory, vital system programs will still have access to +the library:</para> + +<screen><userinput>mv /usr/lib/libz.so.* /lib</userinput></screen> + +<para>The <filename>/usr/lib/libz.so</filename> symlink is +linked to a file which no longer exists, because we moved +it. Create a symbolic link to the new location of the +library:</para> + +<screen><userinput>ln -sf ../../lib/libz.so.1 /usr/lib/libz.so</userinput></screen> + +<para>Zlib does not install its manual page. Issue the +following command to install this documentation:</para> + +<screen><userinput>cp zlib.3 /usr/share/man/man3</userinput></screen> + +</sect2> </sect1> |