From: Michael Ellerman <mpe@ellerman.id.au>
To: Will Deacon <will@kernel.org>, Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Amit Daniel Kachhap <amit.kachhap@arm.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Vincenzo Frascino <Vincenzo.Frascino@arm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 1/2] init/kconfig: Add LD_VERSION Kconfig
Date: Tue, 05 May 2020 23:51:27 +1000 [thread overview]
Message-ID: <87v9lacwww.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <20200504080651.GA2621@willie-the-truck>
Will Deacon <will@kernel.org> writes:
> On Mon, May 04, 2020 at 09:11:12AM +0200, Geert Uytterhoeven wrote:
>> On Mon, Mar 30, 2020 at 1:42 PM Amit Daniel Kachhap
>> <amit.kachhap@arm.com> wrote:
>> > This option can be used in Kconfig files to compare the ld version
>> > and enable/disable incompatible config options if required.
>> >
>> > This option is used in the subsequent patch along with GCC_VERSION to
>> > filter out an incompatible feature.
>> >
>> > Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
>>
>> > --- a/init/Kconfig
>> > +++ b/init/Kconfig
>> > @@ -17,6 +17,10 @@ config GCC_VERSION
>> > default $(shell,$(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC
>> > default 0
>> >
>> > +config LD_VERSION
>> > + int
>> > + default $(shell,$(LD) --version | $(srctree)/scripts/ld-version.sh)
>> > +
>> > config CC_IS_CLANG
>> > def_bool $(success,$(CC) --version | head -n 1 | grep -q clang)
>>
>> .config: warning: symbol value '2.01827e+11' invalid for LD_VERSION
>>
>> Seen with the or32 compiler on kisskb, e.g.
>> http://kisskb.ellerman.id.au/kisskb/buildresult/14226173/
>
> Hmm. The binutils version there is '2.26.20160125', but I think
> scripts/ld-version.sh is expecting that to be '2.26.0.20160125' as it would
> then ignore the date suffix as of commit 0d61ed17dd30 ("ld-version: Drop
> the 4th and 5th version components").
I updated the or32 compiler on kisskb to gcc 9.3.0, thanks to Arnd for
building it.
It has binutils 2.34.
cheers
prev parent reply other threads:[~2020-05-05 13:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 11:41 [PATCH v2 1/2] init/kconfig: Add LD_VERSION Kconfig Amit Daniel Kachhap
2020-03-30 11:41 ` [PATCH v2 2/2] arm64: Kconfig: ptrauth: Add binutils version check to fix mismatch Amit Daniel Kachhap
2020-04-01 12:28 ` Catalin Marinas
2020-05-04 7:11 ` [PATCH v2 1/2] init/kconfig: Add LD_VERSION Kconfig Geert Uytterhoeven
2020-05-04 8:06 ` Will Deacon
2020-05-05 13:51 ` Michael Ellerman [this message]
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