[PATCH] Configure: recognize arm64 machine name as a synonym for aarch64

[Maxim Dounin]

Hello!

On Fri, Apr 29, 2022 at 05:39:18PM +0400, Sergey Kandaurov wrote:

> # HG changeset patch
> # User Sergey Kandaurov <pluknet at nginx.com>
> # Date 1651239481 -14400
> #      Fri Apr 29 17:38:01 2022 +0400
> # Node ID 35afae4b3dffff6718c0cab3ceb16b9de207c20a
> # Parent  a736a7a613ea6e182ff86fbadcb98bb0f8891c0b
> Configure: recognize arm64 machine name as a synonym for aarch64.
> 
> In particular, this sets a reasonable cacheline size on FreeBSD and macOS,
> which prefer to use this name and both lack _SC_LEVEL1_DCACHE_LINESIZE.
> 
> diff --git a/auto/os/conf b/auto/os/conf
> --- a/auto/os/conf
> +++ b/auto/os/conf
> @@ -110,7 +110,7 @@ case "$NGX_MACHINE" in
>          NGX_MACH_CACHE_LINE=64
>      ;;
>  
> -    aarch64 )
> +    aarch64 | arm64)
>          have=NGX_ALIGNMENT value=16 . auto/define
>          NGX_MACH_CACHE_LINE=64
>      ;;

Looks good.

-- 
Maxim Dounin
http://mdounin.ru/