Re: [Boost-build] [BBv2] usage-requirements for project with no targets?

From: David Abrahams (dave_at_[hidden])
Date: 2005-11-30 07:48:38

Vladimir Prus <ghost_at_[hidden]> writes:

> On Tuesday 29 November 2005 22:28, David Abrahams wrote:
>
>> > project testing
>> >
>> >     : requirements <include>$(includedir)
>> >     : usage-requirements <include>$(includedir) ;
>> >
>> > If the project defines a target say a "lib" then I'd reference that
>> > and be done with it, but at the moment there is no target as its all
>> > header based software, but I don't appear to get the needed <include>
>>
>> You can define a header-only library... with no headers in it ;-)
>> Check out the alias target in libs/test/build/Jamfile.v2
>>
>> Volodya, didn't we define an interface for making header-only libs
>> using the "lib" rule?  Is that available yet? 
>
> I can't remember, sorry. What was the interface.

I guess

  lib header-only-lib 
          : # no sources
          : # no requirements
          : # no default-build
          : <include>whatever
          ;

ought to do it.  IOW, just have lib dispatch to alias when there are
no sources.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com