gistfile1.txt

--<root@2016q4-builder>-(/data/chroot/dev-2016Q4-x86_64)-</data/pkgsrc/lang/erlang>--
-> bmake show-options
Any of the following general options may be selected:
        dtrace   Enable DTrace support.
        erlang-hipe
        java     Enable Java support.
At most one of the following odbc options may be selected:
        iodbc    Enable ODBC support via iODBC.
        unixodbc         Enable ODBC support via unixODBC.

These options are enabled by default:

These options are currently enabled:
        dtrace unixodbc

You can select which build options to use by setting PKG_DEFAULT_OPTIONS
or PKG_OPTIONS.erlang.


--<root@2016q4-builder>-(/data/chroot/dev-2016Q4-x86_64)-</data/pkgsrc/lang/erlang>--
-> head -n15 /data/pkgbuild/include/pkgoptions/2016Q4.mk
#
# Try to set options as defaults rather than package-specific so that all
# packages can benefit, then disable on a per-package basis as necessary.
#
# It also avoids issues with conflicting options between different versions,
# for example mutt vs mutt-devel.
#
#  - general options
#
PKG_DEFAULT_OPTIONS=            dtrace pam pcre readline ncursesw
#
#  - options grouped by function
#
PKG_DEFAULT_OPTIONS+=           unicode utf8 wide-curses
PKG_DEFAULT_OPTIONS+=           bzip bzip2 lzo