Python 2 will reach end of life in January 1 2020. Declare it as
deprecated.
Signed-off-by: Eduardo Habkost <ehabkost@xxxxxxxxxx>
Message-Id: <20190503193721.18459-1-ehabkost@xxxxxxxxxx>
Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
Reviewed-by: Markus Armbruster <armbru@xxxxxxxxxx>
Reviewed-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
[ehabkost: print "warning:" in lowercase]
Signed-off-by: Eduardo Habkost <ehabkost@xxxxxxxxxx>
---
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@xxxxxxxxxx."
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.
--
2.18.0.rc1.1.g3f1ff2140
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