64 bits variants

Hi! I would like to add a 64 bits variant to the swi-prolog portfile. Is there a recommended name for these variants? Is there a way to specify 64 bits variants for the dependent libraries? Paulo ----------------------------------------------------------------- Paulo Jorge Lopes de Moura Dep. of Computer Science, University of Beira Interior 6201-001 Covilhã, Portugal Office 4.3 Ext. 3257 Phone: +351 275319891 Fax: +351 275319899 Email: <mailto:pmoura@di.ubi.pt> Home page: <http://www.di.ubi.pt/~pmoura> Research: <http://logtalk.org/> -----------------------------------------------------------------