diff options
Diffstat (limited to 'config/python.m4')
| -rw-r--r-- | config/python.m4 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/config/python.m4 b/config/python.m4 index 587bca99d52..9a4d12112e1 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 |