Re: [preprocessor] Dropping support for compilers that do not implement variadic macros

From: Joaquín M López Muñoz (joaquinlopezmunoz_at_[hidden])
Date: 2020-09-17 22:10:36

> Em 17 de set de 2020, Ã (s) 23:09, Edward Diener via Boost <boost_at_[hidden]> escreveu:
> 
> On 9/15/2020 7:13 AM, Peter Dimov via Boost wrote:
>> Edward Diener wrote:
>>> > Which compilers will be affected?
>>> 
>>> Right now these compilers are considered by PP to not support variadic macros:
>>> 
>>> gccxml
>>> nvcc when cuda is being used
>>> PathScale
>>> Digital Mars and Symantec C++
>>> bcc32
>>> metrowerks
>>> sun/oracle C++ < version 5.12 ( current oracle C++ version is 12.6 )
>>> HP aC++ when not using EDG
>>> MPW C++
>>> PGI when not using EDG
>> This doesn't sound that bad, as most of these compilers are dead, although I hope nvcc does support variadic macros nowadays.
> 
> I did discover that if gcc or clang is compiled at the C++03 level with -pedantic there will be a ton of warnings, and if with -pedantic-errros there will be a ton of errors for those warnings.

Don’t warning disabling pragmas *around preprocessor definitions* solve the issue?

Joaquín M López Muñoz