--- config/configure.orig	2020-12-15 16:52:00.017999000 -0800
+++ config/configure	2020-12-15 16:53:04.758080000 -0800
@@ -66,6 +66,10 @@
 AC_SUB bup_make "$MAKE"
 
 bup_python="$(type -p "$PYTHON")"
+test -z "$bup_python" && bup_python="$(bup_find_prog python3.9 '')"
+test -z "$bup_python" && bup_python="$(bup_find_prog python3.8 '')"
+test -z "$bup_python" && bup_python="$(bup_find_prog python3.7 '')"
+test -z "$bup_python" && bup_python="$(bup_find_prog python3.6 '')"
 test -z "$bup_python" && bup_python="$(bup_find_prog python2.7 '')"
 test -z "$bup_python" && bup_python="$(bup_find_prog python2.6 '')"
 test -z "$bup_python" && bup_python="$(bup_find_prog python2 '')"