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Date:   Tue, 13 Dec 2022 05:02:17 +0100
From:   Nicolas Schier <nicolas@fjasle.eu>
To:     Masahiro Yamada <masahiroy@kernel.org>
Cc:     linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
        Palmer Dabbelt <palmer@rivosinc.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Tom Rix <trix@redhat.com>, linux-riscv@lists.infradead.org,
        llvm@lists.linux.dev, x86@kernel.org
Subject: Re: [PATCH] kbuild: add test-{ge,gt,le,lt} macros
Message-ID: <Y5f5SQxQRFpH8u2s@bergen.fjasle.eu>
References: <20221211024647.2614394-1-masahiroy@kernel.org>
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On Sun 11 Dec 2022 11:46:47 GMT, Masahiro Yamada wrote:
> GNU Make 4.4 introduced $(intcmp ...), which is useful to compare two
> integers without forking a new process.
>=20
> Add test-{ge,gt,le,lt} macros, which work more efficiently with GNU
> Make >=3D 4.4. For older Make versions, they fall back to the 'test'
> shell command.
>=20
> The first two parameters to $(intcmp ...) must not be empty. To avoid
> the syntax error, I appended '0' to them. Fortunately, '00' is treated
> as '0'. This is needed because CONFIG options may expand to an empty
> string when the kernel configuration is not included.
>=20
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
> Acked-by: Palmer Dabbelt <palmer@rivosinc.com> # RISC-V
> ---
>=20
> Changes in v3:
>   - Use $(intcmp ...) instead of playing with $(sort ...)

Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>

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