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Re: [Qemu-devel] [PATCH for-4.0 1/7] configure: Add a test for the minim
From: |
Daniel P . Berrangé |
Subject: |
Re: [Qemu-devel] [PATCH for-4.0 1/7] configure: Add a test for the minimum compiler version |
Date: |
Thu, 6 Dec 2018 09:53:43 +0000 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Thu, Dec 06, 2018 at 06:34:25AM +0100, Thomas Huth wrote:
> On 2018-12-05 18:30, Philippe Mathieu-Daudé wrote:
> > On 12/3/18 3:05 PM, Thomas Huth wrote:
> >> So far we only had implicit requirements for the minimum compiler version,
> >> e.g. we require at least GCC 4.1 for the support of atomics. However,
> >> such old compiler versions are not tested anymore by the developers, so
> >> they are not really supported anymore. Since we recently declared
> >> explicitly
> >> what platforms we intend to support, we can also get more explicit on the
> >> compiler version now. The supported distributions use the following version
> >> of GCC:
> >>
> >> RHEL-7: 4.8.5
> >> Debian (Stretch): 6.3.0
> >> Debian (Jessie): 4.8.4
> >> OpenBSD (ports): 4.9.4
> >> FreeBSD (ports): 8.2.0
> >> OpenSUSE Leap 15: 7.3.1
> >> Ubuntu (Xenial): 5.3.1
> >> macOS (Homebrew): 8.2.0
> >
> > I'd like to track this in a machine parsable format, but sure where it
> > better fits however, I'd prefer the git repo, and having the wiki
> > pointing to the git repo.
>
> I don't think that it makes sense to put fixed version numbers into the
> git or wiki - the information will expire soon, and it is additional
> maintenance to keep them up to date. We already got the generic
> description here:
>
> https://qemu.weilnetz.de/doc/qemu-doc.html#Supported-build-platforms
>
> So you just have to follow these instructions to get to the supported
> versions.
Agreed, I don't really see a benefit in tracking the per-distro versions
in QEMU - they're only useful for informing us abuot what min version
to pick, which then goes into configure.
If we absolutely wanted to, we could use a standard variable name in
configure to make it easy to grep for min versions.
Regards,
Daniel
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- Re: [Qemu-devel] [PATCH for-4.0 7/7] includes: Replace QEMU_GNUC_PREREQ with "__has_builtin || !defined(__clang__)", (continued)
[Qemu-devel] [PATCH for-4.0 6/7] audio/alsaaudio: Remove compiler check around pragma, Thomas Huth, 2018/12/03
[Qemu-devel] [PATCH for-4.0 2/7] Remove support for compilers that can not do 128-bit arithmetics, Thomas Huth, 2018/12/03
[Qemu-devel] [PATCH for-4.0 5/7] tcg/tcg.h: Remove GCC check for tcg_debug_assert() macro, Thomas Huth, 2018/12/03
[Qemu-devel] [PATCH for-4.0 3/7] configure: Remove old -fno-gcse workaround for GCC 4.6.x and 4.7.[012], Thomas Huth, 2018/12/03
Re: [Qemu-devel] [PATCH for-4.0 0/7] Assume GCC v4.8 and Clang v3.4 as minimum compiler versions, no-reply, 2018/12/03
Re: [Qemu-devel] [PATCH for-4.0 0/7] Assume GCC v4.8 and Clang v3.4 as minimum compiler versions, no-reply, 2018/12/03