[Boost-build] How to get projects to use 'using' definition created in user-config file

From: Richard Pitre (rpitre_at_[hidden])
Date: 2020-01-10 16:46:26

I got this in my user-config file:
using boost
  : 1.64
  : <include>C:/TVSource/ThirdParty/boost/Build/boost-vc14-x64  <library>C:/TVSource/ThirdParty/boost/Build/boost-vc14-x64/lib ; 

How to I tell a project to use it? Using those define in a project requirement works.

-- 
  Richard Pitre
  rpitre_at_[hidden]