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From: Nicolas Pitre <nico@fluxnic.net>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: linux-kbuild@vger.kernel.org, clang-built-linux@googlegroups.com,
	Nick Desaulniers <ndesaulniers@google.com>,
	Nathan Chancellor <nathan@kernel.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/4] kbuild: collect minimum tool versions into scripts/tool-version.sh
Date: Thu, 4 Mar 2021 17:10:02 -0500 (EST)	[thread overview]
Message-ID: <798s9r5n-5nr8-1p1s-837-s07p72q72031@syhkavp.arg> (raw)
In-Reply-To: <20210303183333.46543-2-masahiroy@kernel.org>

On Thu, 4 Mar 2021, Masahiro Yamada wrote:

> The kernel build uses various tools, many of which are provided by the
> same software suite, for example, LLVM and Binutils.
> 
> When we raise the minimal version of Clang/LLVM, we need to update
> clang_min_version in scripts/cc-version.sh and also lld_min_version in
> scripts/ld-version.sh.
> 
> In fact, Kbuild can handle CC=clang and LD=ld.lld independently, and we
> could manage their minimal version separately, but it does not make
> much sense.
> 
> Make scripts/tool-version.sh a central place of minimum tool versions
> so that we do not need to touch multiple files.

It would be better and self-explanatory if a script that provides the 
minimum version of a tool was actually called ... min_tool-version.sh or 
the like. Otherwise one might think it would give e.g. the current 
version of installed tools.


Nicolas

  parent reply	other threads:[~2021-03-04 22:11 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-03 18:33 [PATCH 1/4] kbuild: remove LLVM=1 test from HAS_LTO_CLANG Masahiro Yamada
2021-03-03 18:33 ` [PATCH 2/4] kbuild: collect minimum tool versions into scripts/tool-version.sh Masahiro Yamada
2021-03-04  0:11   ` Nathan Chancellor
2021-03-05  6:40     ` Masahiro Yamada
2021-03-12 17:21     ` Masahiro Yamada
2021-03-04 22:10   ` Nicolas Pitre [this message]
2021-03-05  6:41     ` Masahiro Yamada
2021-03-03 18:33 ` [PATCH 3/4] kbuild: check the minimum assembler version in Kconfig Masahiro Yamada
2021-03-04  0:28   ` Nathan Chancellor
2021-03-05  1:25   ` Nick Desaulniers
2021-03-05 17:48     ` Masahiro Yamada
2021-03-07  4:42       ` Nathan Chancellor
2021-03-03 18:33 ` [PATCH 4/4] kbuild: dwarf: use AS_VERSION instead of test_dwarf5_support.sh Masahiro Yamada
2021-03-03 20:44   ` Nick Desaulniers
2021-03-12 17:18     ` Masahiro Yamada
2021-03-04  0:30   ` Nathan Chancellor
2021-03-03 20:47 ` [PATCH 1/4] kbuild: remove LLVM=1 test from HAS_LTO_CLANG Nick Desaulniers
2021-03-05  6:06   ` Masahiro Yamada
2021-03-08 19:11   ` Sami Tolvanen
2021-03-03 23:37 ` Nathan Chancellor

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