Re: [boost] [Boost-build] Using Environment Variables in Boost.BuildJamRoot file

From: Juergen Hunold (juergen.hunold_at_[hidden])
Date: 2007-05-29 15:53:19

Hi Lawrence !

On Dienstag 29 Mai 2007, you wrote:
> Thanks for the quick response.  That was definitely helpful.  One
> thing I noticed, after doing this, is that the environment variables
> are treated as case sensitive when using os.environ.  While this
> makes sense in some contexts, it doesn't in the context of Windows,
> since Windows is a case insensitive OS.  Is there any way to specify
> a case-insensitive match using os.environ?

I doubt this ;-)) (B)jam is definetely unix-centric...

> Also, I got it working when putting it in my Jamroot.  Now, if I want
> to put it in site-config.jam as you suggested, what other steps are
> there so that the Jamroot file can use the contents of
> site-config.jam.  I tried putting the import os; and local BOOST_ROOT
> = [ os.environ BOOST_ROOT ] ; into the site-config file, but my
> Jamroot file was not able to see the variables.  What I gathered from
> reading is that all jam files have their own namespaces.  How do you
> "export" something into the global namespace then?

You only do have to follow the "recipies" link in my link.
It is all  document in the fine manual:

http://boost.org/boost-build2/doc/html/bbv2/recipies/site-config.html

I hope this helps !

Yours,

Jürgen
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