Re: [Boost-build] Can I include environment variables in user-config.jam?

Subject: Re: [Boost-build] Can I include environment variables in user-config.jam?
From: Nogradi, Chris (Chris.Nogradi_at_[hidden])
Date: 2011-05-12 10:22:51

I use the following from within jamroot.jam but I am not an expert and I did see a comment once about 'using' needing to be called earlier than jamroot.jam, however I have not seen any issue with this yet:

import toolset ;
import os ;

local programFiles = [ os.environ "ProgramFiles(x86)" ] ;
programFiles ?= [ os.environ "ProgramFiles" ] ;

toolset.using msvc : myver : "$(programFiles)/Microsoft Visual Studio 8/VC/bin/cl.exe" ;

Chris

-----Original Message-----
From: boost-build-bounces_at_[hidden] [mailto:boost-build-bounces_at_[hidden]] On Behalf Of Michael Krajnak
Sent: Thursday, May 12, 2011 9:00 AM
To: boost-build_at_[hidden]
Subject: [Boost-build] Can I include environment variables in user-config.jam?

I'm currently building boost with stlport.

In order to do this I made various changes to user-config.jam file based
on a variety of examples I found on the net.

Those changes include things like the following:

using stlport : 5.2.1 :
D:/dev/stlport/stlport :
D:/dev/stlport/libx86 ;

I would like to replace the string D:/dev/stlport with an environment
variable, but I can't get this to work.  I've seen various discussions
about this on some of the boost forums, including some that suggested
that user-config.jam might not be the best place to do this, but never
an example that I could follow completely.

Could someone provide a complete example of how to include an
environment variable in user-config.jam?  Or if there is a
recommendation for a different way to achieve the same effect I'd be
glad to give it try.

Thanks,

Mike
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