devin@scribe10 pkg $ make
make: "/usr/ports/Mk/bsd.port.mk" line 5121: warning: duplicate script for target "-depends" ignored
make: "/usr/ports/Mk/bsd.port.mk" line 5118: warning: using previous script for "-depends" defined here
make: "/usr/ports/Mk/bsd.port.mk" line 5121: warning: duplicate script for target "-depends" ignored
make: "/usr/ports/Mk/bsd.port.mk" line 5118: warning: using previous script for "-depends" defined here
make: "/usr/ports/Mk/bsd.port.mk" line 5121: warning: duplicate script for target "-depends" ignored
make: "/usr/ports/Mk/bsd.port.mk" line 5118: warning: using previous script for "-depends" defined here
make: "/usr/ports/Mk/bsd.port.mk" line 5121: warning: duplicate script for target "-depends" ignored
make: "/usr/ports/Mk/bsd.port.mk" line 5118: warning: using previous script for "-depends" defined here
make: "/usr/ports/Mk/bsd.port.mk" line 5121: warning: duplicate script for target "-depends" ignored
make: "/usr/ports/Mk/bsd.port.mk" line 5118: warning: using previous script for "-depends" defined here
===>  pkg-. improper use of USE_PERL5.
*** Error code 1

Stop.
make: stopped in /usr/ports/ports-mgmt/pkg

EDIT: Solved by installing newer copy of usr.bin/make and using that