diff --git a/f_wrappers.c b/f_wrappers.c
index 0bc34a5c..5b206ea1 100644
--- a/f_wrappers.c
+++ b/f_wrappers.c
@@ -22,6 +22,7 @@
 #define gptlpr gptlpr_
 #define gptlpr_file gptlpr_file_
 #define gptlpr_summary gptlpr_summary_
+#define gptlpr_summary_file gptlpr_summary_file_
 #define gptlbarrier gptlbarrier_
 #define gptlreset gptlreset_
 #define gptlstamp gptlstamp_
@@ -57,6 +58,7 @@
 #define gptlpr gptlpr_
 #define gptlpr_file gptlpr_file__
 #define gptlpr_summary gptlpr_summary__
+#define gptlpr_summary_file gptlpr_summary_file__
 #define gptlbarrier gptlbarrier_
 #define gptlreset gptlreset_
 #define gptlstamp gptlstamp_
@@ -94,9 +96,11 @@ int gptlpr (int *procid);
 int gptlpr_file (char *file, int nc1);
 #ifdef HAVE_MPI
 int gptlpr_summary (int *fcomm);
+int gptlpr_summary_file (int *fcomm, char *name, int nc1);
 int gptlbarrier (int *fcomm, char *name, int nc1);
 #else
 int gptlpr_summary (void);
+int gptlpr_summary_file (char *name, int nc1);
 int gptlbarrier (void);
 #endif
 int gptlreset (void);
@@ -176,6 +180,25 @@ int gptlpr_summary (int *fcomm)
   return GPTLpr_summary (ccomm);
 }
 
+int gptlpr_summary_file (int *fcomm, char *outfile, int nc1)
+{
+  MPI_Comm ccomm;
+  char cname[MAX_CHARS+1];
+  int numchars;
+
+  numchars = MIN (nc1, MAX_CHARS);
+  strncpy (cname, outfile, numchars);
+  cname[numchars] = '\0';
+
+#ifdef HAVE_COMM_F2C
+  ccomm = MPI_Comm_f2c (*fcomm);
+#else
+  /* Punt and try just casting the Fortran communicator */
+  ccomm = (MPI_Comm) *fcomm;
+#endif
+  return GPTLpr_summary_file (ccomm, cname);
+}
+
 int gptlbarrier (int *fcomm, char *name, int nc1)
 {
   MPI_Comm ccomm;
@@ -201,6 +224,18 @@ int gptlpr_summary (void)
   return GPTLpr_summary ();
 }
 
+int gptlpr_summary_file (char *outfile, int nc1)
+{
+  char cname[MAX_CHARS+1];
+  int numchars;
+
+  numchars = MIN (nc1, MAX_CHARS);
+  strncpy (cname, outfile, numchars);
+  cname[numchars] = '\0';
+
+  return GPTLpr_summary_file (cname);
+}
+
 int gptlbarrier (void)
 {
   return GPTLerror ("gptlbarrier: Need to build GPTL with #define HAVE_MPI to enable this routine\n");
diff --git a/gptl.h b/gptl.h
index e083571e..c52d3d22 100644
--- a/gptl.h
+++ b/gptl.h
@@ -99,12 +99,16 @@ extern int GPTLstamp (double *, double *, double *);
 extern int GPTLpr (const int);
 extern int GPTLpr_file (const char *);
 
-/*
-** Use K&R prototype for these 2 because they require MPI
-*/
-extern int GPTLpr_summary ();
-extern int GPTLbarrier ();
-
+#ifdef HAVE_MPI
+#include <mpi.h>
+  extern int GPTLpr_summary (MPI_Comm c);
+  extern int GPTLpr_summary_file (MPI_Comm c, const char *);
+  extern int GPTLbarrier (MPI_Comm c, const char *);
+#else
+  extern int GPTLpr_summary ();
+  extern int GPTLpr_summary_file (const char *);
+  extern int GPTLbarrier ();
+#endif
 extern int GPTLreset (void);
 extern int GPTLfinalize (void);
 extern int GPTLget_memusage (int *, int *, int *, int *, int *);
diff --git a/gptlf.F90 b/gptlf.F90
index 22496e32..5603980f 100644
--- a/gptlf.F90
+++ b/gptlf.F90
@@ -79,6 +79,11 @@ integer function gptlpr_summary (fcomm)
        integer :: fcomm
      end function gptlpr_summary
 
+     integer function gptlpr_summary_file (fcomm, name)
+       integer :: fcomm
+       character(len=*) :: name
+     end function gptlpr_summary_file
+
      integer function gptlbarrier (fcomm, name)
        integer :: fcomm
        character(len=*) :: name
@@ -87,6 +92,10 @@ end function gptlbarrier
      integer function gptlpr_summary ()
      end function gptlpr_summary
 
+     integer function gptlpr_summary_file ( name)
+       character(len=*) :: name
+     end function gptlpr_summary_file
+
      integer function gptlbarrier ()
      end function gptlbarrier
 #endif
diff --git a/pr_summary.c b/pr_summary.c
index 665bd3d1..e927a96c 100644
--- a/pr_summary.c
+++ b/pr_summary.c
@@ -45,9 +45,8 @@ static int nthreads;  /* Used by both GPTLpr_summary() and get_threadstats() */
 */
 
 #ifdef HAVE_MPI
-#include <mpi.h>
 
-int GPTLpr_summary (MPI_Comm comm)       /* communicator */
+int GPTLpr_summary_file (MPI_Comm comm, const char *outfile)       /* communicator */
 {
   int ret;             /* return code */
   int iam;             /* my rank */
@@ -76,7 +75,6 @@ int GPTLpr_summary (MPI_Comm comm)       /* communicator */
   float sigma;         /* st. dev. */
   unsigned int tsksum; /* part of Chan, et. al. equation */
   static const int tag = 98789;                    /* tag for MPI message */
-  static const char *outfile = "timing.summary";   /* file to write to */
   static const int nbytes = sizeof (Global);       /* number of bytes to be sent/recvd */
   static const char *thisfunc = "GPTLpr_summary";  /* this function */
   FILE *fp = 0;        /* file handle to write to */
@@ -360,12 +358,18 @@ int GPTLpr_summary (MPI_Comm comm)       /* communicator */
   return 0;
 }
 
+int GPTLpr_summary (MPI_Comm comm)       /* communicator */
+{
+  static const char *outfile = "timing.summary";   /* file to write to */
+
+  return GPTLpr_summary_file(comm, outfile);
+}
+
 #else
 
 /* No MPI. Mimic MPI version but for only one rank */
-int GPTLpr_summary ()
+int GPTLpr_summary (const char outfile[])
 {
-  static const char *outfile = "timing.summary";   /* file to write to */
   FILE *fp = 0;        /* file handle */
   Timer **timers;
   int multithread;     /* flag indicates multithreaded or not */
@@ -472,8 +476,17 @@ int GPTLpr_summary ()
   return 0;
 }
 
+int GPTLpr_summary ()       /* communicator */
+{
+  static const char *outfile = "timing.summary";   /* file to write to */
+
+  return GPTLpr_summary_file(outfile);
+}
+
 #endif  /* False branch of HAVE_MPI */
 
+
+
 /* 
 ** get_threadstats: gather stats for timer "name" over all threads
 **