--- build.subr.bak	2016-04-24 17:03:05.000000000 +0300
+++ build.subr	2016-07-12 13:13:30.197771000 +0300
@@ -13,6 +13,6 @@
 
 [ "${stable}" = "1" -a -z "${over}" ] && ver=${ver%%.*}
 [ -z "${rev}" ] && rev="head"
-[ "${ver}" = "head" ] && ver="11.0"
+[ "${ver}" = "head" ] && ver="12.0"
 [ -z "${maxjobs}" ] && maxjobs=$( /sbin/sysctl -n hw.ncpu )
 [ -z "${clean}" ] && clean=0