#if GNULIB_TEST_EXPM1
SIGNATURE_CHECK (GNULIB_NAMESPACE::expm1, double, (double));
#endif
+#if GNULIB_TEST_EXPM1L
+SIGNATURE_CHECK (GNULIB_NAMESPACE::expm1l, long double, (long double));
+#endif
#if GNULIB_TEST_FABSF
SIGNATURE_CHECK (GNULIB_NAMESPACE::fabsf, float, (float));