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Subject: Re: [Boost-build] Use of alias to not build a toolset is not working
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2012-10-30 21:46:45


On 10/30/2012 05:48 PM, Edward Diener wrote:
> On 10/29/2012 11:40 PM, Steven Watanabe wrote:
>> On 10/29/2012 07:50 PM, Edward Diener wrote:
>>> On 10/28/2012 11:34 PM, Steven Watanabe wrote:
>>>> Try <toolset>gcc <toolset-gcc:version>3.4.5.
>>>> (I believe that <toolset>gcc-3.4.5 is not
>>>> expanded correctly in the context of target
>>>> alternative selection)
>>> Your syntax worked. Is it a bug that <toolset>gcc-3.4.5 does not work
>>> for target alterantive selection, while it works in other contexts ?
>> Yes, I consider it a bug. It is, however, a bit
>> tricky to handle correctly, since we have to avoid
>> causing an error when there is no gcc-3.4.5 toolset.
> Do you mean when the user invokes bjam without specifying
> toolset=gcc-3.4.5 ?

No. I mean that in order for Boost.Build to
know that 3.4.5 is the version (and not some
other subfeature), either there has to be a

using gcc : 3.4.5 ;

or the version deduced by running gcc --version has
to be 3.4.5. The point is that target alternatives
whose requirements include unknown subfeature values
have to be ignored.

In Christ,
Steven Watanabe

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