+# Development-only Python modules
+PY_NODEV=
+AC_PYTHON_MODULE(yaml)
+if test $HAVE_PYMOD_YAML == "no"; then
+ PY_NODEV="$PY_NODEV yaml"
+fi
+
+if test -n "$PY_NODEV"; then
+ AC_MSG_WARN(m4_normalize([Required development modules ($PY_NODEV) were not
+ found, you won't be able to run Python unittests]))
+else
+ AC_MSG_NOTICE([Python development modules found, unittests enabled])
+fi
+AC_SUBST(PY_NODEV)
+AM_CONDITIONAL([PY_NODEV], [test -n $PY_NODEV])
+