+#ifdef HAVE_SMPI
+void __smpi_bench_dont (void); // Stupid prototype
+void __smpi_bench_dont (void) { /* I'm only a place-holder in case we link without SMPI */; }
+void smpi_bench_begin(void) __attribute__ ((weak, alias ("__smpi_bench_dont")));
+void smpi_bench_end(void) __attribute__ ((weak, alias ("__smpi_bench_dont")));
+#endif