[...]
mkdir -p sql
/usr/bin/cpp -traditional-cpp -w -P -I../libpgcommon address_standardizer_types.sql.in | grep -v '^#' | \
/bin/sh /usr/local/lib/postgresql/pgxs/src/makefiles/../../config/missing perl -lpe "s'MODULE_PATHNAME'\$libdir/address_standardizer-2.2'g" > sql/address_standardizer_types.sql
***
ERROR: Perl is missing on your system. It is needed unless you are building
from an unmodified official distribution of PostgreSQL.
***
Makefile:67: recipe for target 'sql/address_standardizer_types.sql' failed
gmake[4]: *** [sql/address_standardizer_types.sql] Error 1
gmake[4]: *** Deleting file 'sql/address_standardizer_types.sql'
gmake[4]: Leaving directory '/wrkdirs/usr/ports/databases/postgis22/work/postgis-2.2.1/extensions/address_standardizer'
Makefile:26: recipe for target 'all' failed
gmake[3]: *** [all] Error 1
gmake[3]: Leaving directory '/wrkdirs/usr/ports/databases/postgis22/work/postgis-2.2.1/extensions'
GNUmakefile:16: recipe for target 'all' failed
gmake[2]: *** [all] Error 1
gmake[2]: Leaving directory '/wrkdirs/usr/ports/databases/postgis22/work/postgis-2.2.1'
Makefile:6: recipe for target 'all' failed
gmake[1]: *** [all] Error 2
gmake[1]: Leaving directory '/wrkdirs/usr/ports/databases/postgis22/work/postgis-2.2.1'
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** Error code 1

Stop.
make: stopped in /usr/ports/databases/postgis22
build of databases/postgis22 ended at Fri Jan  8 21:30:51 CET 2016
build time: 00:00:44
!!! build failure encountered !!!