[Boost-build] B2 4.9.0

From: René Ferdinand Rivera Morell (grafikrobot_at_[hidden])
Date: 2022-05-15 20:00:09

There is a new release of B2 and there are some important changes..

* The build-build.jam file, and the build-system rule, used to specify
where to find the build system Jam file is no longer used for that purpose.
There is now an internal method for finding the corresponding build files
relative to the b2 executable. This means that the preferred method for
using B2 is to install it first. But, the regular bootstrap use in Boost is
still supported.

* There is now a Windows MSI installer available that supports both
per-user and per-machine installs without having to build it yourself.

* Installing the current, and future, B2 allows one to use the newest B2
with current Boost release and most older Boost releases. And of course the
same goes for non-Boost projects.

For other changes see the release notes <
https://github.com/bfgroup/b2/releases/tag/4.9.0>

-- 
-- René Ferdinand Rivera Morell
-- Don't Assume Anything  -- No Supone Nada
-- Robot Dreams - http://robot-dreams.net