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Date: Tue, 31 Jul 2018 10:30:43 +0100
From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= <berrange@redhat.com>
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References: <eb8233618cf64aa21c87e2809933f112a7aedf68.1532735306.git.alistair.francis@wdc.com>
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Subject: Re: [Qemu-devel] [PATCH v1 1/1] configure: Add RISC-V host support
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= <f4bug@amsat.org>, Richard Henderson <richard.henderson@linaro.org>, Michael Clark <mjc@sifive.com>, Alistair Francis <alistair.francis@wdc.com>, QEMU Developers <qemu-devel@nongnu.org>, Alistair Francis <alistair23@gmail.com>

On Mon, Jul 30, 2018 at 07:37:55PM +0100, Peter Maydell wrote:
> On 30 July 2018 at 19:20, Philippe Mathieu-Daud=C3=A9 <f4bug@amsat.org>=
 wrote:
> > Before this patch:
> >
> > $ ./configure
> >
> > ERROR: Unsupported CPU =3D riscv64, try --enable-tcg-interpreter
> >
> > $ ./configure --enable-tcg-interpreter
> > Unsupported CPU =3D riscv64, will use TCG with TCI (experimental)
> >
> > [...]
> >
> > WARNING: SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!
>=20
>=20
> > It is unlikely the RISC-V port goes away in the next future releases =
:)
>=20
> ...but it is not supported as a *host* CPU.
>=20
> We should fix this somewhat nonsensical error message by
> completing the deprecate-and-drop cycle for this bit of
> configure, ie by outright rejecting attempts to build on
> host CPU types we don't recognize and support, the same
> way we do with unrecognized host OS types.

Do you mean to imply that we should drop  the TCG intepreter too, or do
you consider that something that makes it a supported host CPU ?  TCG
intepretor essentially makes any host supportable, if we keep it.


Regards,
Daniel
--=20
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