linux-kernel - Re: [PATCH v2 02/11] kbuild: rust_is_available: fix version check when CC has multiple arguments

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Message-ID: <ff363ce7-059e-6021-687b-794c532647de@gmail.com>
Date:   Fri, 16 Jun 2023 10:58:27 -0300
From:   Martin Rodriguez Reboredo <yakoyoku@...il.com>
To:     Miguel Ojeda <ojeda@...nel.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Alex Gaynor <alex.gaynor@...il.com>
Cc:     Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        Alice Ryhl <aliceryhl@...gle.com>,
        Andreas Hindborg <nmi@...aspace.dk>,
        linux-kbuild@...r.kernel.org, rust-for-linux@...r.kernel.org,
        linux-kernel@...r.kernel.org, patches@...ts.linux.dev,
        Russell Currey <ruscur@...sell.cc>
Subject: Re: [PATCH v2 02/11] kbuild: rust_is_available: fix version check
 when CC has multiple arguments

On 6/15/23 21:16, Miguel Ojeda wrote:
> From: Russell Currey <ruscur@...sell.cc>
> 
> rust_is_available.sh uses cc-version.sh to identify which C compiler is
> in use, as scripts/Kconfig.include does.  cc-version.sh isn't designed to
> be able to handle multiple arguments in one variable, i.e. "ccache clang".
> Its invocation in rust_is_available.sh quotes "$CC", which makes
> $1 == "ccache clang" instead of the intended $1 == ccache & $2 == clang.
> 
> cc-version.sh could also be changed to handle having "ccache clang" as one
> argument, but it only has the one consumer upstream, making it simpler to
> fix the caller here.
> 
> Signed-off-by: Russell Currey <ruscur@...sell.cc>
> Fixes: 78521f3399ab ("scripts: add `rust_is_available.sh`")
> Link: https://github.com/Rust-for-Linux/linux/pull/873
> [ Reworded title prefix and reflow line to 75 columns. ]
> Signed-off-by: Miguel Ojeda <ojeda@...nel.org>
> ---
> [...]

Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@...il.com>