Re: [PATCH 2/7] Makefile, x86, LLVM: disable unsupported optimization flags
From: H. Peter Anvin
Date: Fri Mar 17 2017 - 17:35:28 EST
On 03/17/17 14:32, H. Peter Anvin wrote:
>
> NAK. Fix your compiler, or use a wrapper script or something. It is
> absolutely *not* acceptable to disable this since future versions of
> clang *should* support that.
>
> That being said, it might make sense to look for a key pattern like
> "(un|not )supported" on stderr the try-run macro. Is there really no
> -Wno- or -Werror= option to turn off this craziness?
>
Well, guess what... I found it myself.
-W{no-,error=}ignored-optimization-argument
Either variant will make this sane.
-hpa