BINDIR ?= $(PREFIX)/bin
MANDIR ?= $(PREFIX)/man
SHAREDIR ?= $(PREFIX)/share
-PYTHON ?= /usr/bin/env python
+# make_supportedsites.py doesnot work correctly in python2
+PYTHON ?= /usr/bin/env python3
# set SYSCONFDIR to /etc if PREFIX=/usr or PREFIX=/usr/local
SYSCONFDIR = $(shell if [ $(PREFIX) = /usr -o $(PREFIX) = /usr/local ]; then echo /etc; else echo $(PREFIX)/etc; fi)