Re: [Boost-build] Setting environment variables

Subject: Re: [Boost-build] Setting environment variables
From: Matthew Chambers (matt.chambers42_at_[hidden])
Date: 2010-11-04 16:28:57

On 11/4/2010 11:49 AM, Josh Stern wrote:
> On 11/4/2010 11:30 AM, Matthew Chambers wrote:
>> On 11/2/2010 10:08 AM, Josh Stern wrote:
>>> So far as I can gather from the documentation, there is no way to set OS environment variables from within boost build.    Is that correct?
>> Have you tried module.poke and/or the builtin SHELL rule?
> I have not.  Nothing in the manual would lead me to expect that the builtin SHELL rule would help me set environment variables for the current bjam process.  
> Can it?   Of course one can write their own shell scripts that then call other tools and call those as the underlying tool - this is what Microsoft already 
> provides for its compilers, but I'm asking about the ability to set variables from within a jam script as a function of other build options.   I'm not 
> familiar with module.poke.   Where can I learn more about that? (search for poke in the user manual comes up empty).
Honestly I don't know for sure whether either approach will take effect in the toolset's execution environment, but it's easy to try.

SHELL "set FOO=bar" ;
or
module.poke FOO : bar ; # see module.jam

-Matt