Was tested on pkgsrc-2018Q4 into SmartOS, see the following PR on github :
https://github.com/joyent/pkgsrc/pull/176
Should be safe for other OS
Was tested on pkgsrc-2018Q4 into SmartOS, see the following PR on github :
https://github.com/joyent/pkgsrc/pull/176
Should be safe for other OS