--- a/configure.ac

+++ b/configure.ac

@@ -19,7 +19,7 @@ AC_SUBST(host)

 # pybuilddir.txt will be created by --generate-posix-vars in the Makefile

 rm -f pybuilddir.txt

-AC_CHECK_PROGS(PYTHON_FOR_REGEN, python$PACKAGE_VERSION python3 python, python3)

+AC_CHECK_PROGS(PYTHON_FOR_REGEN, python$PACKAGE_VERSION python python2, python)

 AC_SUBST(PYTHON_FOR_REGEN)

 if test "$cross_compiling" = yes; then

​