11-CURRENT build fail with base gcc

[Warner Losh]

> On Aug 20, 2015, at 10:32 AM, Dimitry Andric <dim at freebsd.org> wrote:
> 
> On 20 Aug 2015, at 18:24, Warner Losh <imp at bsdimp.com> wrote:
>> 
>>> On Aug 20, 2015, at 9:38 AM, Oliver Pinter <oliver.pinter at hardenedbsd.org> wrote:
> ...
>> 
>> I think you are wrong about the cause. -mno-avx is bogusly listed unconditionally
>> in efi/Makefile.inc. I’m working on a patch now…
> 
> Ah, this should be replaced with the recently introduced CFLAGS_NO_SIMD
> variable, then?

Perhaps. Didn’t know this was a thing. That could use useful many places, though
there were two clang specific args I needed to move, not just the one that’s in this
flag. Maybe things are over-specified?

Not sure I like bsd.cpu.mk growing more name-space pollution, especially stuff that
isn’t documented somewhere (bsd.cpu.mk is included from sys.mk, which is automaticallyed
globally included). All these hacks being stashed hither and yon are starting to get
very hard to keep straight for someone who looks at this code every day, let alone
somebody who invested CFLAGS_NO_SIMD independently for their code and finds
that breaks in an upgrade...

Warner

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