MFH: r413850 r414123

• Remove unnecessary PERL_LEVEL check
• Add NO_ARCH
• Convert to new options helper
• Use bsd.port.mk instead of bsd.port.pre.mk + bsd.port.post.mk

With hat: perl
Approved by: portmgr (blanket)

• fix build with PostgreSQL (s/91/9.1/) as default db (PD error: cannot install: unknown PostgreSQL version: 91+)

Approved by: ports-secteam (junovitch@)