[Boost-build] instruction-set=nocona but not instruction-set=corei7

Subject: [Boost-build] instruction-set=nocona but not instruction-set=corei7
From: Frédéric Bron (frederic.bron_at_[hidden])
Date: 2012-03-12 17:40:57

b2 accepts "instruction-set=nocona" on the command line when building
boost. This is converted in "-march=nocona" with g++.
However, g++ provides much more instruction sets like "native" and
"corei7" but they are not recognized.
Would it be possible to add it?
Regards,
Frédéric