Fedora policy seems to be to use python3 explicitly for the hashbang
rather than python, which could be either python2 or python3. So convert
it to python3. Also adapt configure.ac to require python3 executable.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Follow more closely the https://github.com/cgwalters/build-api.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>