[Boost-build] extend an existing variant

Subject: [Boost-build] extend an existing variant
From: Steve Lorimer (steve.lorimer_at_[hidden])
Date: 2015-06-26 10:14:46

Is it possible to add features to an existing build variant?

I know I can create a new variant

variant super_release : release : <define>USE_ASM ;

However, am I able to add features to release?