From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55334) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fEd8O-0003VY-7T for qemu-devel@nongnu.org; Fri, 04 May 2018 12:00:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fEd8M-0001yh-MW for qemu-devel@nongnu.org; Fri, 04 May 2018 12:00:36 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:40286 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fEd8M-0001y1-40 for qemu-devel@nongnu.org; Fri, 04 May 2018 12:00:34 -0400 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Date: Fri, 4 May 2018 17:00:24 +0100 Message-Id: <20180504160026.14017-2-berrange@redhat.com> In-Reply-To: <20180504160026.14017-1-berrange@redhat.com> References: <20180504160026.14017-1-berrange@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH 1/3] qemu-doc: provide details of supported build platforms List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Markus Armbruster , Paolo Bonzini , Thomas Huth , Olaf Hering , Stefan Hajnoczi , Michael Roth , Eric Blake , Stefan Berger , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Describe the policy the project uses to decide which OS are supported as build platforms. This will: - Allow maintainers to determine when the minimum version of a 3rd party piece of software can be increased without negatively impacting supported platforms. - Allow tailoring of CI environments to match the intended supported build platforms. Signed-off-by: Daniel P. Berrang=C3=A9 --- qemu-doc.texi | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++= ++++++ 1 file changed, 68 insertions(+) diff --git a/qemu-doc.texi b/qemu-doc.texi index 5813d27615..d44b778764 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -39,6 +39,7 @@ * QEMU User space emulator:: * Implementation notes:: * Deprecated features:: +* Supported build platforms:: * License:: * Index:: @end menu @@ -2976,6 +2977,73 @@ The ``xlnx-zcu102'' machine has the same features = and capabilites in QEMU. In order to prevent QEMU from automatically opening an image's backing chain, use ``"backing": null'' instead. =20 +@node Supported build platforms +@appendix Supported build platforms + +QEMU aims to support building and executing on multiple host OS platform= s. +This appendix outlines which platforms are the major build targets. Thes= e +platforms are used as the basis for deciding upon the minimum required +versions of 3rd party software QEMU depends on. The supported platforms +are the targets for automated testing performed by the project when patc= hes +are submitted for review, and tested before and after merge. + +If a platform is not listed here, it does not imply that QEMU won't work= . +If an unlisted platform has comparable software versions to a listed pla= tform, +there is every expectation that it will work. Bug reports are welcome fo= r +problems encountered on unlisted platforms unless they are clearly older +vintage than what is described here. + +Note that when considering software versions shipped in distros as suppo= rt +targets, QEMU considers only the version number, and assumes the feature= s in +that distro match the upstream release with the same version. In other w= ords, +if a distro backports extra features to the software in their distro, QE= MU +upstream code will not add explicit support for those backports, unless = the +feature is auto-detectable in a manner that works for the upstream relea= ses +too. + +The Repology site @url{https://repology.org} is a useful resource to ide= ntify +currently shipped versions of software in various operating systems, tho= ugh +it does not cover all distros listed below. + +@section Linux OS + +For distributions with frequent, short-lifetime releases, the project wi= ll +aim to support all versions that are not end of life by their respective +vendors. For the purposes of identifying supported software versions, th= e +project will look at Fedora, Ubuntu, and openSUSE distros. Other short- +lifetime distros will be assumed to ship similar software versions. + +For distributions with long-lifetime releases, the project will aim to s= upport +the most recent major version at all times. Support for the previous maj= or +version will be dropped 2 years after the new major version is released.= For +the purposes of identifying supported software versions, the project wil= l look +at RHEL, Debian, Ubuntu LTS, and SLES distros. Other long-lifetime distr= os will +be assumed to ship similar software versions. + +@section Windows + +The project supports building with current versions of the MinGW toolcha= in, +hosted on Linux. + +@section macOS + +The project supports building with the two most recent versions of macOS= , with +the current homebrew package set available. + +@section FreeBSD + +The project aims to support the all the versions which are not end of li= fe. + +@section NetBSD + +The project aims to support the most recent major version at all times. = Support +for the previous major version will be dropped 2 years after the new maj= or +version is released. + +@section OpenBSD + +The project aims to support the all the versions which are not end of li= fe. + @node License @appendix License =20 --=20 2.14.3