--- configure.ac	(Asterisk 13.20)
+++ configure.ac	(working copy)
@@ -260 +260 @@
-AC_PATH_PROG([PYTHON], [python], :)
+AC_PATH_PROGS([PYTHON], [python2 python2.7], :)
@@ -2251 +2251,3 @@
-AST_PKG_CONFIG_CHECK([PYTHONDEV], [python])
+AST_PKG_CONFIG_CHECK([PYTHONDEV], [python >= 3])
+AST_PKG_CONFIG_CHECK([PYTHONDEV], [python3])
+AST_PKG_CONFIG_CHECK([PYTHONDEV], [python-3.6])