From e5abf59eae5990296c243202f95f801495c52e76 Mon Sep 17 00:00:00 2001 From: Eduardo Habkost Date: Fri, 3 May 2019 16:37:21 -0300 Subject: [PATCH] Deprecate Python 2 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Python 2 will reach end of life in January 1 2020. Declare it as deprecated. Signed-off-by: Eduardo Habkost Message-Id: <20190503193721.18459-1-ehabkost@redhat.com> Reviewed-by: Thomas Huth Reviewed-by: Markus Armbruster Reviewed-by: Daniel P. Berrangé [ehabkost: print "warning:" in lowercase] Signed-off-by: Eduardo Habkost --- configure | 8 ++++++++ qemu-deprecated.texi | 8 ++++++++ 2 files changed, 16 insertions(+) diff --git a/configure b/configure index f2cb9f3c66..d565ea4bb9 100755 --- a/configure +++ b/configure @@ -6502,6 +6502,14 @@ if test "$supported_os" = "no"; then echo "us upstream at qemu-devel@nongnu.org." fi +# Note that if the Python conditional here evaluates True we will exit +# with status 1 which is a shell 'false' value. +if ! $python -c 'import sys; sys.exit(sys.version_info < (3,0))'; then + echo + echo "warning: Python 2 support is deprecated" >&2 + echo "warning: Python 3 will be required for building future versions of QEMU" >&2 +fi + config_host_mak="config-host.mak" echo "# Automatically generated by configure - do not modify" >config-all-disas.mak diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi index df04f2840b..241c978d2d 100644 --- a/qemu-deprecated.texi +++ b/qemu-deprecated.texi @@ -243,3 +243,11 @@ Note that if you are exposing the export via /dev/nbd0, it is easier to just export the entire image and then mount only /dev/nbd0p1 than it is to reinvoke @command{qemu-nbd -c /dev/nbd0} limited to just a subset of the image. + +@section Build system + +@subsection Python 2 support (since 4.1.0) + +In the future, QEMU will require Python 3 to be available at +build time. Support for Python 2 in scripts shipped with QEMU +is deprecated.