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Add specific installation instructions for AIX.

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david 2011-09-26 03:40:43 +00:00
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docs/nmap-install.xml
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@ -1257,6 +1257,87 @@ chapter referenced above.</para></listitem>
</sect2>
</sect1>
<sect1 id="inst-aix"><title>AIX</title>
<indexterm><primary>AIX, installing on</primary></indexterm>
<para>
Nmap can be installed from source on IBM AIX by following the instructions in
<xref linkend="inst-source"/>. You need only pay attention to a few
details.
</para>
<para>
You must use the
<command>gcc</command><indexterm><primary>GCC</primary></indexterm> compiler,
not <command>xlc</command>. Nmap's configure script will automatically find
<command>gcc</command> if it is somewhere in the
<envar>PATH</envar><indexterm><primary><envar>PATH</envar> environment variable</primary></indexterm>
environment variable.
</para>
<!-- Also relevant: http://gcc.gnu.org/install/specific.html#x-ibm-aix -->
<para>
Some editions of the default
<command>as</command><indexterm><primary><command>as</command> (assembler)</primary></indexterm>
assembler either
<ulink url="http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33577">crash</ulink> or
<ulink url="http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46072">produce object
files that can't be linked</ulink>. This is what's happening if you see compiler
output like this:
<screen>
g++: internal compiler error: Segmentation fault (program as)
Please submit a full bug report,
with preprocessed source if appropriate.
See &lt;http://gcc.gnu.org/bugs.html&gt; for instructions.
</screen>
<screen>
ld: 0711-596 SEVERE ERROR: Object ../nsock/src/libnsock.a[nsock_core.o]
An RLD for section 2 (.data) refers to symbol 1794,
but the storage class of the symbol is not C_EXT or C_HIDEXT.
</screen>
</para>
<para>
You can work around this problem by installing the <command>as</command> from
GNU binutils<indexterm><primary>binutils</primary></indexterm>. (But not
<command>ld</command>; you want to continue using the default
<command>ld</command>.) These instructions were tested on AIX 7.1 with
<filename>binutils-2.21.1a</filename> from
<literal>http://ftp.gnu.org/gnu/binutils</literal>.
</para>
<screen>
$ <userinput>bzip2 -dc binutils-2.21.1a.tar.bz2 | tar -xvf -</userinput>
$ <userinput>cd binutils-2.21.1</userinput>
$ <userinput>./configure --disable-werror --disable-largefile CFLAGS="-O2 -Wall"</userinput>
$ <userinput>gmake</userinput>
$ <userinput>cd gas</userinput>
$ <userinput>su</userinput>
# <userinput>gmake install</userinput>
</screen>
<para>
This will install <command>as</command> in <filename>/usr/local/bin</filename>.
The custom
<varname>CFLAGS</varname><indexterm><primary><varname>CFLAGS</varname></primary></indexterm>
omit <option>-g</option>,<indexterm><primary><option>-g</option> (GCC option)</primary></indexterm>
which would otherwise cause one of the <command>as</command> errors you are
trying to work around. You must make sure that
<filename>/usr/local/bin</filename> appears before
<filename>/usr/bin</filename> in
<envar>PATH</envar><indexterm><primary><envar>PATH</envar> environment variable</primary></indexterm>
while building and configuring Nmap.
</para>
<screen>
$ <userinput>export PATH="/usr/local/bin:$PATH"</userinput>
</screen>
<para>
Now follow the instructions in <xref linkend="inst-source"/>.
</para>
</sect1>
<sect1 id="inst-other-platforms"><title>Amiga, HP-UX, IRIX, and Other Platforms</title>
<indexterm><primary>AmigaOS, installing on</primary></indexterm>
<indexterm><primary>HP-UX, installing on</primary></indexterm>