linux-kernel - Re: [PATCH 08/10] Makefile: drop GCC < 5 -fno-var-tracking-assignments workaround

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Date:   Fri, 10 Sep 2021 17:11:03 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Joe Perches <joe@...ches.com>, Arnd Bergmann <arnd@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, llvm@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/10] Makefile: drop GCC < 5
 -fno-var-tracking-assignments workaround

On Fri, Sep 10, 2021 at 04:40:45PM -0700, Nick Desaulniers wrote:
> Now that GCC 5.1 is the minimally supported version, we can drop this
> workaround for older versions of GCC.
> 
> Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>

Reviewed-by: Nathan Chancellor <nathan@...nel.org>

> ---
>  Makefile | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index 2d1e491f7737..f9ef07f573e0 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -849,12 +849,6 @@ endif
>  
>  DEBUG_CFLAGS	:=
>  
> -# Workaround for GCC versions < 5.0
> -# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61801
> -ifdef CONFIG_CC_IS_GCC
> -DEBUG_CFLAGS	+= $(call cc-ifversion, -lt, 0500, $(call cc-option, -fno-var-tracking-assignments))
> -endif
> -
>  ifdef CONFIG_DEBUG_INFO
>  
>  ifdef CONFIG_DEBUG_INFO_SPLIT
> -- 
> 2.33.0.309.g3052b89438-goog
> 
>