diff options
| -rw-r--r-- | config/python.m4 | 12 | ||||
| -rwxr-xr-x | configure | 2 | ||||
| -rw-r--r-- | doc/src/sgml/installation.sgml | 2 |
3 files changed, 9 insertions, 7 deletions
diff --git a/config/python.m4 b/config/python.m4 index bfcba30262c..d41aeb2876a 100644 --- a/config/python.m4 +++ b/config/python.m4 @@ -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"$PYTHON" = x""; then AC_MSG_ERROR([Python not found]) diff --git a/configure b/configure index fb4064afa54..3f2aea0d7de 100755 --- a/configure +++ b/configure @@ -10279,7 +10279,7 @@ fi if test "$with_python" = yes; then if test -z "$PYTHON"; then - for ac_prog in python3 python python2 + for ac_prog in python python3 python2 do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml index a5cf0d2657a..d38f9bc9160 100644 --- a/doc/src/sgml/installation.sgml +++ b/doc/src/sgml/installation.sgml @@ -1875,7 +1875,7 @@ build-postgresql: language becomes available. See <xref linkend="plpython-python23"/> for more information. If this is not set, the following are probed - in this order: <literal>python3 python python2</literal>. + in this order: <literal>python python3 python2</literal>. </para> </listitem> </varlistentry> |