[mpich-commits] r10662 - mpich2/trunk

[gropp at mcs.anl.gov]

Author: gropp
Date: 2012-11-23 19:33:52 -0600 (Fri, 23 Nov 2012)
New Revision: 10662

Modified:
   mpich2/trunk/configure.ac
Log:
Correctly compute MPI_STATUS_SIZE by using the size of a Fortran INTEGER

Modified: mpich2/trunk/configure.ac
===================================================================
--- mpich2/trunk/configure.ac	2012-11-23 20:38:05 UTC (rev 10661)
+++ mpich2/trunk/configure.ac	2012-11-24 01:33:52 UTC (rev 10662)
@@ -5606,7 +5606,10 @@
         # compute from the C sizeof
         # FIXME shouldn't these calculations be based on the size of a Fortran
         # 'INTEGER' rather than a C 'int'?
-        AS_VAR_ARITH([MPI_STATUS_SIZE],[$SIZEOF_MPI_STATUS / $ac_cv_sizeof_int])
+	if test -z "$pac_cv_f77_sizeof_integer" ; then 
+	    AC_MSG_ERROR([Sizeof Fortran INTEGER (MPI_Fint) is not available])
+	fi
+        AS_VAR_ARITH([MPI_STATUS_SIZE],[$SIZEOF_MPI_STATUS / $pac_cv_f77_sizeof_integer])
         if test "$MPI_STATUS_SIZE" = "0" ; then
             AC_MSG_ERROR([Could not compute the size of MPI_Status])
         fi