Re: [Boost-build] Rene's 44166 revision commit & toolset version requirements

From: Rene Rivera (grafikrobot_at_[hidden])
Date: 2008-04-11 11:38:02

Jurko Gospodnetić wrote:
>    Could you tell me what this commit did? Comment said 'Added support 
> for toolset requirements at the definition level' but I do not 
> understand it completely (at first glance).

Note, only darwin.jam uses the feature currently. It simple allows one 
to have in user-config.jam:

====
using darwin : 4.0.1 ;
using darwin : 4.0.1~iphone
  : /usr/local/xyz/bin/arm-apple-darwin-g++
  : <archiver>/usr/local/xyz/bin/arm-apple-darwin-libtool <striper>
  : <architecture>arm <target-os>iphone ;
====

And when one asks to build say:

   bjam toolset=darwin architecture=arm target-os=iphone

It uses the darwin-4.0.1~iphone to build instead of the default. And 
*only* in the situation when the <architecture>arm <target-os>iphone 
requirements are met for the build request.

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