Re: [Boost-build] Sunpro tests and toolset question

From: Vladimir Prus (ghost_at_[hidden])
Date: 2006-07-13 01:28:22

On Thursday 13 July 2006 03:19, David Abrahams wrote:
> Vladimir Prus <ghost_at_[hidden]> writes:
> > On Wednesday 12 July 2006 13:38, John Maddock wrote:
> >> There are quite a few TR1 tests that are failing with sunpro, that
> >> appear to be an include path problem.  I believe this was working OK
> >> with bbv1, but the include paths appear to be coming out in the wrong
> >> order with the current bbv2.
> >>
> >> A typical list of errors here: http://tinyurl.com/pcwf5 suggests that
> >> the "real" version of <memory> is getting included rather than the Tr1
> >> version. The command line shows that the TR1 headers are in the path,
> >> but *after* the Boost include path, and while I'm not completely sure, I
> >> believe this is the problem (I've seen issues like this before, but
> >> they're really hard to diagnose without spending way too much time
> >> studying pre-processor outputs). So... anyone any ideas why the toolset
> >> is injecting the boost path ahead of other <include> directives?
> >
> > Hi John,
> > as far as Boost.Build V2 is concerned, boost include directory and TR1
> > include directory as the same, they are both specified using <include>
> > feature, and no specific order is guaranteed.
> >
> > I think V1 has <sysinclude>, but I never seen any explanation how it's
> > different from <include>. Probably <sysinclude> appear before <include>
> > and that's making it working in V1.
>
> <sysinclude> is designed to search angle-bracket includes first.  

Sorry, can you clarify? Are paths for "" and <> includes complately separate, 
wtih <include> specifying "" paths and <sysinclude> specifying <> paths? Or 
what?

> Some 
> compilers make a distinction between "" and <>.  CodeWarrior is one of
> them.  If Sun does the same I believe this explains all of the
> Boost.Python failures with SunPro.

In V1's sunpro-tool.jam, both <include> and <sysinclude> are mapped to -I.

- Volodya

-- 
Vladimir Prus
http://vladimir_prus.blogspot.com
Boost.Build V2: http://boost.org/boost-build2