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Revert "Make configure prefer python3 to plain python."

This reverts commit f201da39ed.
The buildfarm is not ready for python3, evidently, so we'll
give the owners some more time to get set up.

Discussion: https://postgr.es/m/2872c9a0-4b0a-1354-d5f6-94d6f85ba354@enterprisedb.com
This commit is contained in:
Tom Lane
2022-01-20 17:32:21 -05:00
parent 4fdbf9af51
commit 512fc2dd79
3 changed files with 9 additions and 7 deletions

View File

@ -9,12 +9,14 @@
# Look for Python and set the output variable 'PYTHON' if found,
# fail otherwise.
#
# Since we are transitioning to supporting only Python 3.x,
# prefer python3 to plain python. If the latter exists at all,
# it very possibly points to python2, which we don't want to
# select unless it's the only choice.
# 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, [python3 python python2])
[PGAC_PATH_PROGS(PYTHON, [python python3 python2])
AC_ARG_VAR(PYTHON, [Python program])dnl
if test x"$PYTHON" = x""; then
AC_MSG_ERROR([Python not found])