Subject: Re: [boost] [clang] How to use CLang for Windows?
From: Chandler Carruth (chandlerc_at_[hidden])
Date: 2013-09-29 18:17:16
On Sun, Sep 29, 2013 at 4:43 PM, Beman Dawes <bdawes_at_[hidden]> wrote:
> On Sun, Sep 29, 2013 at 4:06 PM, Edward Diener <eldiener_at_[hidden]
> >wrote:
>
> >
> > With all due respect, Beman, there is no point of doing this at least for
> > Boost headers once I reverted the fix to the Boost PP code that would
> have
> > allowed clang under Windows to correctly compiler Boost PP code as a
> > strictly conforming C++ standard preprocessor. It fails miserably as the
> > VC++ preprocessor and I am not personally interested particularly in
> > discovering why since the VC++ preprocessor is just badly broken in a
> > number of respects general. To emulate that brokeness cannot be the goal
> of
> > any C++ compiler.
> >
>
> IIUC, they are aiming to support the aspects of VC++ that are required to
> compile and run the libraries shipped with Visual Studio and libraries like
> Boost. I doubt they intend to mimic bugs not required for that purpose, and
> they have stated up front that they intend to support all C++11/14
> features, not just those supported by VC++.
>
Indeed. Boost.PP I think would likely be a prime candidate for explicitly
detecting Clang (even on Windows) and just doing the right thing.