Re: [RFC PATCH] compiler.h: give up __compiletime_assert_fallback()
From: Nick Desaulniers
Date: Sun Aug 19 2018 - 16:36:53 EST
On Sun, Aug 19, 2018 at 1:28 PM Linus Torvalds
> On Sun, Aug 19, 2018 at 1:25 PM Nick Desaulniers
> <ndesaulniers@xxxxxxxxxx> wrote:
> > + gbiv who wrote this cool paste (showing alternatives to
> > _Static_assert, which is supported by both compilers in -std=gnu89,
> > but not until gcc 4.6): https://godbolt.org/g/DuLsxu
> > I can't help but think that BUILD_BUG_ON_MSG should use
> > _Static_assert, then have fallbacks for gcc < 4.6.
> Well, it turns out that we effectively stopped supporting gcc < 4.6
> during this merge window for other reasons, so..
For the whole kernel (or just a particular arch)? Which commit? Do
we keep track of minimal versions somewhere?
Documentation/process/changes.rst mentions gcc 3.2 (eek), but I assume
there's a compiler version check somewhere (if you're using gcc and
it's version is less than X, abort. Ditto for clang.)