AS_IF([test "x$sr_have_python3" = xno],
[AC_MSG_ERROR([Cannot find Python 3 development headers.])])
# We also need to find the name of the python3 executable (for 'make install').
# Some OSes call this python3, some call it python3.2, etc. etc.
AC_ARG_VAR([PYTHON3], [Python 3 interpreter])
AS_IF([test "x$sr_have_python3" = xno],
[AC_MSG_ERROR([Cannot find Python 3 development headers.])])
# We also need to find the name of the python3 executable (for 'make install').
# Some OSes call this python3, some call it python3.2, etc. etc.
AC_ARG_VAR([PYTHON3], [Python 3 interpreter])