K 10 svn:author V 3 imp K 8 svn:date V 27 2016-10-18T05:43:12.987805Z K 7 svn:log V 290 Add a new flag to mkimg (-a num) to specify the active partition for those partitioning schemes that have this concept. Implement it as an override for mbr's setting 0x80 in the flags for the first partition when we have boot code. Differential Revision: https://reviews.freebsd.org/D4403 END