Re: [Boost-build] common.format-name <property: not working?

From: Roland Schwarz (roland.schwarz_at_[hidden])
Date: 2008-03-31 02:36:46

Since I heard no answer so far, I am trying to ping about this issue...

Roland Schwarz wrote:
> I am trying to use an obviously seldom used feature of the tagging
> machinery.
> 
> In my custome tag rule I tried to use something like
> 
>        return [ common.format-name
>            <base> <toolset> <property:toolset-gcc:flavor> <threading>
> <runtime>
>            : $(name) : $(type) : $(property-set) ] ;
> 
> I concluded from the doc several lines above:
> 
> #   <property:/property-name/>[joiner]
> #       ::  Direct lookup of the given property-name value in the
> #           build properties.
> 
> 
> it should work so as to look up the value of the property in the current
> property set and append it to the tag.
> 
> Unfortunately this doe not work as expected. The lookup code does not
> try to look up in the properties, but in the format string.
> 
> I attach a patch that resolves this issue, and also allows pattern
> matching, so that
> e.g.
> <property:toolset-.*:flavor> would match every toolsets flavor.
> 
> Btw.: Why do I need this:
> 
> In an attempt to use a cross compiler (my target platfor also is linux,
> but different
> processor) I attach e.g. the "ppc" flavor to my cross gcc. Now I need to
> tag
> the libs accordingly.
> 
> I know I could hard code the whole stuff, but I thought it would be nicer
> to use boost-build as much as possible.
> 
> In case I do oversee something and there is a more straight forward
> method to
> achieve the same, I would be very glad to hear about.
> 
> Thank you for attention,
> Roland
> 
> 
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> 
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-- 
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  _  _  | Roland Schwarz
 |_)(_  | aka. speedsnail
 | \__) | mailto:roland.schwarz_at_[hidden]
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