[AC_CACHE_CHECK([for Python version $1 or later], mdw_cv_prog_python,
[mdw_cv_prog_python="none"
for p in `echo "$PATH:/usr/local/bin" | tr ":" " "`; do
[AC_CACHE_CHECK([for Python version $1 or later], mdw_cv_prog_python,
[mdw_cv_prog_python="none"
for p in `echo "$PATH:/usr/local/bin" | tr ":" " "`; do