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From: David Abrahams (gclbb-jamboost_at_[hidden])
Date: 2003-08-16 07:12:13

Vladimir Prus <ghost_at_[hidden]> writes:

> David Abrahams wrote:
>> I just ran across this comment in tools/stlport.jam:
>> # The problem: how to request to use host compiler's iostreams?
>> #
>> # Solution 1: Global 'stlport-iostream' feature.
>> # That's ugly. Subfeature make more sense for stlport-specific thing.
>> # Solution 2: Use subfeature with two values, one of which ("use STLPort
>> iostream") # is default.
>> # The problem is that such subfeature will appear in target paths, and
>> that's ugly # Solution 3: Use optional subfeature with only one value.
>> I find this really strange, since default values of features and
>> subfeatures are *not* supposed to show up in target paths. It seems
>> like Solution 2 should work just fine, unless the subfeature is
>> "symmetric".
> I'm not 100% about the comment, but I think that that subfeatures don't have
> default values at all.

I know. I'm working on that feature now ;-)

Dave Abrahams
Boost Consulting

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