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plpython: Reject Python 2 during build configuration.

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Python 2.7 went EOL 2020-01-01 and the support for Python 2 requires a fair
bit of infrastructure. Therefore we are removing Python 2 support in plpython.

This patch just rejects Python 2 during configure / mkvcbuild.pl. Future
commits will remove the code and infrastructure for Python 2 support and
adjust more of the documentation. This way we can see the buildfarm state
after the removal sooner and we can be sure that failures are due to
desupporting Python 2, rather than caused by infrastructure cleanup.

Reviewed-By: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/20211031184548.g4sxfe47n2kyi55r@alap3.anarazel.de
This commit is contained in:
Andres Freund
2022-02-16 22:47:35 -08:00
parent 8f388f6f55
commit 19252e8ec9
5 changed files with 19 additions and 20 deletions
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6
configure vendored
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@ -10280,7 +10280,7 @@ fi
if test "$with_python" = yes; then
if test -z "$PYTHON"; then
for ac_prog in python python3 python2
for ac_prog in python3 python
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
@ -10346,8 +10346,8 @@ python_majorversion=`echo "$python_fullversion" | sed 's/^\([0-9]*\).*/\1/'`
python_minorversion=`echo "$python_fullversion" | sed 's/^[0-9]*\.\([0-9]*\).*/\1/'`
python_version=`echo "$python_fullversion" | sed 's/^\([0-9]*\.[0-9]*\).*/\1/'`
# Reject unsupported Python versions as soon as practical.
if test "$python_majorversion" -lt 3 -a "$python_minorversion" -lt 7; then
as_fn_error $? "Python version $python_version is too old (version 2.7 or later is required)" "$LINENO" 5
if test "$python_majorversion" -lt 3; then
as_fn_error $? "Python version $python_version is too old (version 3 or later is required)" "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Python sysconfig module" >&5