Looks good to merge. manual testing succeeded.


On Fri Aug 25 05:11:27 2017, michal wrote:
> (The branch adds a new configure option, --with-python-install-dir.  It
> takes an absolute path as its argument as that is what the --install-lib
> option for setup.py uses.  The code in rt45407 is the simplest way I
> could think of to properly handle all of the following cases:
> 
>   1. --prefix not specified, --with-python-install-dir not specified
>   2. --prefix specified, --with-python-install-dir not specified
>   3. --prefix not specified, --with-python-install-dir specified
>   4. --prefix specified, --with-python-install-dir specified
> 
> where "proper handling" means "assuring the installed Python utilities
> are usable".)