Mark Bixby answers freeside:

>[log in to unmask] writes:
>> ... c89 or ar to create XL's,

>When I compile Perl/iX using freeware gcc, "ld -b" is what I use to create
>shared libraries (i.e. NMXLs) for the extensions.

And I'll add an aside:

The ld script is part of GNU. See http://jazz.external.hp.com or
http://www.interex.org for pointers, or pick up the latest FREEWARE
tape, distributed by Interex.