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Subject: Re: [boost] [PREDEF] Review for the Boost.Predef library by Rene Riviera
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2012-02-23 04:52:22

On 02/22/2012 09:28 AM, Thomas Heller wrote:

> What you are suggesting effectively sounds like throwing all kinds of
> structure and file organization away that makes sense for us mere humans
> just to compile a little faster. Please, back it up with some proof.
> Additionally, i would like to add that a fine grained header file
> organization also leads to less includes. One might always need
> everything defined in the library in one TU. I claim that having those
> big headers is slowing the process down.

Detecting the compiler is a global process, and requires knowledge about
all the other compilers.

In particular, order in which compilers are detected matters so that
Clang is not detected as GCC.

So it makes sense to only have one header for all compilers; all other
approaches are likely to be dangerous or broken.

Having one header per compiler doesn't make sense. It should never be
allowed to include just one compiler header.

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