Re: [PATCH] config.mak.uname: use iconv from Homebrew on macOS

> The library function iconv(3) supplied with macOS versions 15.7.2
> (Sequoia) and 26.1 (Tahoe) is unreliable when doing conversions from
> ISO-2022-JP to UTF-8 in multiple steps; t3900 reports this breakage:
> 
>   not ok 17 - ISO-2022-JP should be shown in UTF-8 now
>   not ok 25 - ISO-2022-JP should be shown in UTF-8 now
>   not ok 38 - commit --fixup into ISO-2022-JP from UTF-8
> 
> As a workaround, use libiconv from Homebrew, if available.
> 
> Helped-by: Koji Nakamaru <koji.nakamaru@gree.net>
> Signed-off-by: René Scharfe <l.s.r@web.de>
> ---
>  config.mak.uname | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/config.mak.uname b/config.mak.uname
> index 1691c6ae6e..1b305e38c6 100644
> --- a/config.mak.uname
> +++ b/config.mak.uname
> @@ -182,6 +182,13 @@ ifeq ($(uname_S),Darwin)
>          endif
>          endif
>  
> +	ifeq ($(shell test -d /opt/homebrew/opt/libiconv/ && echo y),y)
> +		ICONVDIR ?= /opt/homebrew/opt/libiconv
> +	endif
> +	ifeq ($(shell test -d /usr/local/opt/libiconv/ && echo y),y)
> +		ICONVDIR ?= /usr/local/opt/libiconv
> +	endif
> +
>  	BASIC_LDFLAGS += -framework CoreServices
>  endif
>  ifeq ($(uname_S),SunOS)
> -- 
> 2.52.0
>