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<chapter id="installation">

<title><![%standalone-include[<productname>PostgreSQL</>]]>

</para>

<para>

Use the following <command>configure</command> flags in addition

to your own if you have installed Readline or libz

there: <literal>--with-includes=/usr/local/include

--with-libraries=/usr/local/lib</literal>.

The minimum recommended fix levels for supported AIX versions are:

</para>

<para>

If you don't have a PowerPC or use GCC you might see rounding

differences in the geometry regression test. There will probably

be warnings about 0.0/0.0 division and duplicate symbols which you

can safely ignore.

</para>

<para>

Some of the AIX tools may be <quote>a little different</quote>

from what you may be accustomed to on other platforms. If you are

looking for a version of <command>ldd</command>, useful for

determining what object code depends on what libraries, the

following URLs may help you:

<ulink url="http://www.faqs.org/faqs/aix-faq/part4/section-22.html"></ulink>,

<ulink url="http://www.han.de/~jum/aix/ldd.c"></ulink>.

</para>

<variablelist>

<varlistentry>

<term>AIX 4.3.3</term>

<listitem><para>Maintenance Level 11 + post ML11 bundle</para></listitem>

</varlistentry>

<varlistentry>

<term>AIX 5.1</term>

<listitem><para>Maintenance Level 9 + post ML9 bundle</para></listitem>

</varlistentry>

<varlistentry>

<term>AIX 5.2</term>

<listitem><para>Technology Level 10 Service Pack 3</para></listitem>

</varlistentry>

<varlistentry>

<term>AIX 5.3</term>

<listitem><para>Technology Level 7</para></listitem>

</varlistentry>

<varlistentry>

<term>AIX 6.1</term>

<listitem><para>Base Level</para></listitem>

</varlistentry>

</variablelist>

<para>

<xref linkend="AIX-fixlevels"> shows the minimum recommended fix levels

for various AIX versions. To check your current fix level, use

To check your current fix level, use

<command>oslevel -r</command> in AIX 4.3.3 to AIX 5.2 ML 7, or

<command>oslevel -s</command> in later versions.

</para>

<table id="AIX-fixlevels">

<title>

Minimum recommended <systemitem class="osname">AIX</systemitem> fix levels

</title>

<tgroup cols="2">

<thead>

<row>

<entry>AIX version</entry>

<entry>fix level</entry>

</row>

</thead>

<tbody>

<row>

<entry>AIX 4.3.3</entry>

<entry>Maintenance Level 11 + post ML11 bundle</entry>

</row>

<row>

<entry>AIX 5.1</entry>

<entry>Maintenance Level 9 + post ML9 bundle</entry>

</row>

<row>

<entry>AIX 5.2</entry>

<entry>Technology Level 10 Service Pack 3</entry>

</row>

<row>

<entry>AIX 5.3</entry>

<entry>Technology Level 7</entry>

</row>

<row>

<entry>AIX 6.1</entry>

<entry>Base Level</entry>

</row>

</tbody>

</tgroup>

</table>

<para>

Use the following <command>configure</command> flags in addition

to your own if you have installed Readline or libz in

<literal>/usr/local</>:

<literal>--with-includes=/usr/local/include

--with-libraries=/usr/local/lib</literal>.

</para>

<sect3>

<title>GCC issues</title>

to parse IP addresses in <varname>listen_addresses</>,

<filename>pg_hba.conf</>, etc. Older versions of AIX have assorted

bugs in this function. If you have problems related to these settings,

updating to the appropriate fix level shownin <xref

linkend="AIX-fixlevels">should take care of it.

updating to the appropriateAIXfix level shownabove

should take care of it.

</para>

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</itemizedlist>

</para>

<warning> <para> This is really a workaround of problems relating

to immaturity of IPv6 support, which improved visibly during the

course of AIX 5.3 releases. It has worked with AIX version 5.3,

but does not represent an elegant solution to the problem. It has

been reported that this workaround is not only unnecessary, but

causes problems on AIX 6.1, where IPv6 support has become more

mature. </para>

<warning>

<para>

This is really a workaround for problems relating

to immaturity of IPv6 support, which improved visibly during the

course of AIX 5.3 releases. It has worked with AIX version 5.3,

but does not represent an elegant solution to the problem. It has

been reported that this workaround is not only unnecessary, but

causes problems on AIX 6.1, where IPv6 support has become more mature.

</para>

</warning>

</sect3>