Re: [boost] [preprocessor] vc++ using the experimental preprocessor

Subject: Re: [boost] [preprocessor] vc++ using the experimental preprocessor
From: Edward Diener (eldiener_at_[hidden])
Date: 2018-10-22 19:33:48

On 10/22/2018 2:54 PM, Niall Douglas via Boost wrote:
>> OTOH, as part of a bug report, I can just point
>> Microsoft to the Boost PP tests which are failing or producing incorrect
>> warnings, but I doubt that is acceptable as a bug report on which they
>> will act.
> 
> Outcome has been part of MSVC's test suite for some months now, as is Boost.
> 
> Outcome has broken MSVC in all sorts of subtle and interesting corner
> case ways. Microsoft have spotted the failure within 24 hours, triaged
> it, and self fixed the problem, usually providing an ETA of when the
> compiler fix will ship.
> 
> So Edward if I were you, I'd make Boost.Preprocessor and Boost.VMD for
> the 1.69 release use standard preprocessor if you detect it is enabled
> in MSVC. That'll cause MSVC to fail in the Boost conformance testing.
> That in turn will ensure Microsoft triage and fix all outstanding
> problems in super quick time.
> 
> That's my recommendation to you, anyway.

That is my intent. Boost VMD uses the configuration settings on Boost PP 
and I have already changed Boost PP on the 'develop' branch to detect 
the new vc++ preprocessor and use it when it is enabled. I will merge 
'develop' to 'master' before 1.69 closes for changes, which I think is 
this coming Saturday. I just want to make sure the regression tests 
recycle before I do so.

> 
> Niall