make port to install to a different PREFIX

[Fernan Aguero]

+----[ To Kris Kennaway <fernan at iib.unsam.edu.ar> (07.Oct.2005 15:12):
|
| Maybe I should set CONFIGURE_ARGS absolutely? Right not I'm
| using '+=' to set CONFIGURE_ARGS to preserve whatever
| bsd.port.mk would like to add here ... 
|
+----]

s/Right not/Right now/, of course ;)

Fernan