linux-kernel - Re: [PATCH v2] MIPS: Makefile: Remove "ifdef need-compiler" for Kbuild.platforms

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Date:   Mon, 13 Dec 2021 09:35:20 +0900 (JST)
From:   Ryutaroh Matsumoto <ryutaroh@....e.titech.ac.jp>
To:     masahiroy@...nel.org
Cc:     nathan@...nel.org, yangtiezhu@...ngson.cn,
        tsbogend@...ha.franken.de, jason@...ehome.net,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] MIPS: Makefile: Remove "ifdef need-compiler" for
 Kbuild.platforms

From: Masahiro Yamada <masahiroy@...nel.org>
Subject: Re: [PATCH v2] MIPS: Makefile: Remove "ifdef need-compiler" for Kbuild.platforms
Date: Sat, 11 Dec 2021 01:39:10 +0900
> Nathan's patch cleaned up  arch/mips/loognson2ef/Platform,
> but I still see similar code in arch/mips/sgi-ip22/Platform.
> 
> 
> ifdef CONFIG_SGI_IP28
>   ifeq ($(call cc-option-yn,-march=r10000 -mr10k-cache-barrier=store), n)
>       $(error gcc doesn't support needed option -mr10k-cache-barrier=store)
>   endif
> endif
> 
> 
> Doesn't this cause a failure of *-pkg builds for sgi-ip22 platform?

Yes, it does, as reported at
https://github.com/ClangBuiltLinux/linux/issues/1543

Best regards, Ryutaroh Matsumo