freebsd stable - Jan 2017 - FreeBSD 11.0, sendmail from ports PRE-INSTALL script failed

Hello,

I am installing sendmail from ports on a FreeBSD 11.0 box. During the compile
(from ports), the install fails:

===>   Registering installation for sendmail+tls+sasl2+ldap+db5-8.15.2_3
pkg-static: Warning: @exec is deprecated, please use @[pre|post][un]exec
Installing sendmail+tls+sasl2+ldap+db5-8.15.2_3...
===> Creating groups.
Using existing group 'smmsp'.
===> Creating users
Using existing user 'smmsp'.
install: option requires an argument -- g
usage: install [-bCcpSsUv] [-f flags] [-g group] [-m mode] [-o owner]
               [-M log] [-D dest] [-h hash] [-T tags]
               [-B suffix] [-l linkflags] [-N dbdir]
               file1 file2
       install [-bCcpSsUv] [-f flags] [-g group] [-m mode] [-o owner]
               [-M log] [-D dest] [-h hash] [-T tags]
               [-B suffix] [-l linkflags] [-N dbdir]
               file1 ... fileN directory
       install -dU [-vU] [-g group] [-m mode] [-N dbdir] [-o owner]
               [-M log] [-D dest] [-h hash] [-T tags]
               directory ...
/bin/sh: smmsp: not found
pkg-static: PRE-INSTALL script failed
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