Re: [Boost-build] [Boost.Build] Difficulties with conditional targets based on address-model

Subject: Re: [Boost-build] [Boost.Build] Difficulties with conditional targets based on address-model
From: Steven Barbaglia (steven.barbaglia_at_[hidden])
Date: 2014-01-24 07:16:00

Hi Moritz

Thank you for your comprehensive explanation.

On 09/01/2014 17:01, Moritz Hassert wrote:
> Hi Steven,
>
> Am Freitag, den 03.01.2014, 11:04 +0000 schrieb Steven Barbaglia:
>> Invocation (used in a VS2013 x64 Cross Tools Command Prompt window):
>> b2 --toolset=msvc --address-model=64
> Please try without "--":
> "b2 toolset=msvc address-model=64"
>

My difficulties vaporised once I stopped using "--" when passing 
properties on the command line.

I was surprised to discover that properties like "address-model" are not 
defaulted by b2 to the value used by the compiler, which must build for 
either 32 or 64 bit.  I take it that b2 delegates the choice to the 
compiler, which will consider the environment (eg, if it was invoked 
from a 64-bit shell) when making that choice.

Regards

Steven

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