Re: [Boost-build] Can I force a property to be propagated?

Subject: Re: [Boost-build] Can I force a property to be propagated?
From: Vladimir Prus (vladimir_at_[hidden])
Date: 2010-01-22 08:52:19

Johan Nilsson wrote:

> Vladimir Prus wrote:
>> On Thursday 21 January 2010 19:42:33 John Maddock wrote:
>>
>>>> Would it be possible to use some technique similar to this:
>>>>
>>>> ---
>>>> project foobar ;
>>>>
>>>> exe test : main.cpp ;
>>>>
>>>> # NOTE: We need to specify location here in order to avoid
>>>> # the "duplicate targets" problem.
>>>> #
>>>> alias test2 : test/<location>bin2/<define>FOOBAR=2 ; # or
>>>> <xsl-param>something
>>>>
>>>> install bin
>>>>>
>>>> test2
>>>> ;
>>>> ---
>>>>
>>>> I know it's not literally what you're looking for, but you might be
>>>> able to
>>>> adapt it to your needs.
>>>
>>> I tried adding:
>>>
>>> alias date_time_docs :
>>> ../../libs/date_time/xmldoc//date_time/<location>bin2
>>>>
>>>         <format>pdf:<xsl:param>xep.extensions=1
>>>         <format>pdf:<xsl:param>fop.extensions=0
>>>         <format>pdf:<xsl:param>fop1.extensions=0
>>>
>>> ;
>>>
>>> to doc/pdf/Jamfile.v2 but got a whole load of bbv2 errors:
>>>
>>> D:/data/boost/branches/release/tools/build/v2/build\virtual-target.jam:1066:
>>> in virtual-target.register-actual-name from module virtual-target
>>> error: Duplicate name of actual target: <pbin2>date_time.docbook
>>> error: previous virtual target {
>>> boostbook%boostbook.boostbook-to-docbook-date_time.docbook.DOCBOOK {
>>> date_time.xml.XML } }
>>> error: created from ../../libs/date_time/xmldoc/date_time
>>> error: another virtual target {
>>> boostbook%boostbook.boostbook-to-docbook-date_time.docbook.DOCBOOK {
>>> date_time.xml.XML } }
>>> error: created from ../../libs/date_time/xmldoc/date_time
>>> error: added properties: <format>pdf
>>
>> Well, if you force target named 'date_time_docs' to be always
>> generated to directory 'bin2', regardless of properties, then you get
>> clash between
>> pdf and non-pdf builds.
> 
> Without checking the actual jamfiles; isn't it possible to request a
> pdf-only build by somthing along the style of e.g. "bjam pdf" or "bjam
> boost-docs format=pdf"?

Yes, this should work (both spellings)

- Volodya