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From: Noam Tamim (noamtm_at_[hidden])
Date: 2006-05-05 06:34:03


I'm trying to use as a replacement to our proprietary build
system. This is a large, commercial, project.

One of the requirements we have from a build system is the ability to build
to many target platforms. Toolset support is one issue with this
requirement, but another is the ability to select - at build time - the
target platform.

Ideally, I'd like the usage to be something like:
$ bjam platform=Win32
$ bjam platform=Linux

And have a "platform" feature that will select correct files, #defines,
toolset, etc - based on its value.
Note that selecting the toolset alone is not enough. There are a few
different platforms that use the ARM Developer Suite, for example. They all
use the same toolset (ADS 1.2), but have different SDK's, features, etc.

I tried adding a feature to user-config.jam:
import feature : feature ;
feature platform : : free ;

and conditionally specify other requirements based on that in the Jamfile:
lib PortingLayer : <platform>Win32:<include>Win32

etc... But it doesn't seem to work. It looks like the platform feature is
being ignored.

What am I missing? Please help.

Note: this has nothing to do with my other question, about a new toolset
(hcac). It's for a different project.


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