will go over some of the more commonly-changed options:
- PORTNAME specifies the platform on which Postgres95 is being build
- (linux is the default). You might need to change it to reflect
+ (BSD44_derived is the default). You might need to change it to reflect
your platform. (sparc for SunOS 4.1.x, sparc_solaris for Solaris
2.4, ultrix4 for Ultrix 4.4, and hpux for HP-UX 9.0)