Fixed configure to check for Intel's mpiicc mpiifort

configure

@@ -3174,7 +3174,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 if test "X$MPICC" = "X" ; then
     # This is our MPICC compiler preference: it will override ACX_MPI's first try.
-    for ac_prog in mpxlc mpcc mpicc cc
+    for ac_prog in mpxlc mpcc mpiicc mpicc cc
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
@@ -3585,7 +3585,7 @@ ac_compiler_gnu=$ac_cv_fc_compiler_gnu
 
 if test "X$MPIFC" = "X" ; then
     # This is our MPIFC compiler preference: it will override ACX_MPI's first try.
-    for ac_prog in mpxlf2003_r mpxlf2003 mpxlf95_r mpxlf90 mpf95 mpf90 mpifort mpif95 mpif90 ftn
+    for ac_prog in mpxlf2003_r mpxlf2003 mpxlf95_r mpxlf90 mpiifort mpf95 mpf90 mpifort mpif95 mpif90 ftn
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2

configure.ac

@@ -135,7 +135,7 @@ else
 AC_LANG([C])
 if test "X$MPICC" = "X" ; then
     # This is our MPICC compiler preference: it will override ACX_MPI's first try.
-    AC_CHECK_PROGS([MPICC],[mpxlc mpcc mpicc cc])
+    AC_CHECK_PROGS([MPICC],[mpxlc mpcc mpiicc mpicc cc])
 fi
 ACX_MPI([], [AC_MSG_ERROR([[Cannot find any suitable MPI implementation for C]])])
 
@@ -144,7 +144,7 @@ AC_LANG([Fortran])
 
 if test "X$MPIFC" = "X" ; then
     # This is our MPIFC compiler preference: it will override ACX_MPI's first try.
-    AC_CHECK_PROGS([MPIFC],[mpxlf2003_r mpxlf2003 mpxlf95_r mpxlf90 mpf95 mpf90 mpifort mpif95 mpif90 ftn ])
+    AC_CHECK_PROGS([MPIFC],[mpxlf2003_r mpxlf2003 mpxlf95_r mpxlf90 mpiifort mpf95 mpf90 mpifort mpif95 mpif90 ftn ])
 fi
 
 ACX_MPI([], [AC_MSG_ERROR([[Cannot find any suitable MPI implementation for Fortran]])])