diff options
Diffstat (limited to 'config/python.m4')
| -rw-r--r-- | config/python.m4 | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/config/python.m4 b/config/python.m4 index c7310ee37d..52f34070dd 100644 --- a/config/python.m4 +++ b/config/python.m4 @@ -9,6 +9,9 @@ # Look for Python and set the output variable 'PYTHON' if found, # fail otherwise. # +# Since we are supporting only Python 3.x, prefer python3 to plain python. If +# the latter exists at all, it very possibly points to python2. + # 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 @@ -16,7 +19,7 @@ # "python2" and "python3", in which case it's reasonable to prefer the # newer version. AC_DEFUN([PGAC_PATH_PYTHON], -[PGAC_PATH_PROGS(PYTHON, [python python3 python2]) +[PGAC_PATH_PROGS(PYTHON, [python3 python]) AC_ARG_VAR(PYTHON, [Python program])dnl if test x"$PYTHON" = x""; then AC_MSG_ERROR([Python not found]) @@ -37,8 +40,8 @@ python_majorversion=`echo "$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 - AC_MSG_ERROR([Python version $python_version is too old (version 2.7 or later is required)]) +if test "$python_majorversion" -lt 3; then + AC_MSG_ERROR([Python version $python_version is too old (version 3 or later is required)]) fi AC_MSG_CHECKING([for Python sysconfig module]) |