TYPE shouldn't be surrounded by parens because it causes issues for some versions of gcc when the construct a = ((int)) sizeof(b) comes up...

This commit was SVN r20140.

ompi/datatype/dt_args.c

@@ -56,9 +56,9 @@ typedef struct __dt_args {
  */
 #if OMPI_ALIGN_WORD_SIZE_INTEGERS
 #define OMPI_DDT_ALIGN_INT(VALUE,  TYPE) \
-    (VALUE) = OPAL_ALIGN((VALUE), sizeof(MPI_Aint), (TYPE))
+    (VALUE) = OPAL_ALIGN((VALUE), sizeof(MPI_Aint), TYPE)
 #define OMPI_DDT_ALIGN_PTR(PTR, TYPE) \
-    (PTR) = OPAL_ALIGN_PTR((PTR), sizeof(MPI_Aint), (TYPE))
+    (PTR) = OPAL_ALIGN_PTR((PTR), sizeof(MPI_Aint), TYPE)
 #else
 #define OMPI_DDT_ALIGN_INT(VALUE, TYPE)
 #define OMPI_DDT_ALIGN_PTR(PTR, TYPE)