On 29/11/2018 16:34, Tom Lane wrote: > After sleeping on it for awhile, I am liking the idea of probing > python, python3, python2 (while keeping the $PYTHON override of > course).
I think this was the option with the most support. Here is a patch. I agree we can backport this. -- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
From 4a04eb5ced0e6b3255d6d2044cd6699e459d7c28 Mon Sep 17 00:00:00 2001 From: Peter Eisentraut <pe...@eisentraut.org> Date: Thu, 3 Jan 2019 14:58:11 +0100 Subject: [PATCH] configure: Update python search order Some systems don't ship with "python" by default anymore, only "python3" or "python2" or some combination, so include those in the configure search. Discussion: https://www.postgresql.org/message-id/flat/1457.1543184081%40sss.pgh.pa.us#c9cc1199338fd6a257589c6dcea6cf8d --- config/python.m4 | 9 ++++++++- configure | 2 +- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/config/python.m4 b/config/python.m4 index 587bca99d5..9a4d12112e 100644 --- a/config/python.m4 +++ b/config/python.m4 @@ -8,8 +8,15 @@ # ---------------- # Look for Python and set the output variable 'PYTHON' if found, # fail otherwise. +# +# As the Python 3 transition happens and PEP 394 isn't updated, we +# need to cater to systems that don't have unversioned "python" by +# default. Some systems ship with "python3" by default and perhaps +# have "python" in an optional package. Some systems only have +# "python2" and "python3", in which case it's reasonable to prefer the +# newer version. AC_DEFUN([PGAC_PATH_PYTHON], -[PGAC_PATH_PROGS(PYTHON, python) +[PGAC_PATH_PROGS(PYTHON, [python python3 python2]) if test x"$PYTHON" = x""; then AC_MSG_ERROR([Python not found]) fi diff --git a/configure b/configure index 79a18717d3..821964601d 100755 --- a/configure +++ b/configure @@ -9699,7 +9699,7 @@ fi if test "$with_python" = yes; then if test -z "$PYTHON"; then - for ac_prog in python + for ac_prog in python python3 python2 do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 -- 2.20.1
