diff --git a/mpi/longlong.h b/mpi/longlong.h
index 0a5acb6..d6958f3 100644
--- a/mpi/longlong.h
+++ b/mpi/longlong.h
@@ -890,7 +890,8 @@ extern USItype __udiv_qrnnd ();
  **************  MIPS/64  **************
  ***************************************/
 #if (defined (__mips) && __mips >= 3) && W_TYPE_SIZE == 64
-# if (__GNUC__ >= 5) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
+# if defined (__clang__) || (__GNUC__ >= 5) || (__GNUC__ == 4 && \
+                                               __GNUC_MINOR__ >= 4)
 typedef unsigned int UTItype __attribute__ ((mode (TI)));
 #  define umul_ppmm(w1, w0, u, v) \
   do {                                                                 \