From 06587c6e91e234229d2c00274aae9312df282d3f Mon Sep 17 00:00:00 2001
From: Scot Breitenfeld <brtnfld@hdfgroup.org>
Date: Tue, 27 Jan 2015 16:24:31 -0500
Subject: [svn-r26057] Fix for: HDFFV-9094     change include 'mpif.h' to
 module in tests

Solution:

changed to 'USE mpi' and moved the tests to m4/aclocal_fc.m4

Tested: jam (mpicc, mpif90)
---
 configure        |  6 +++---
 configure.ac     | 18 +-----------------
 m4/aclocal_fc.m4 | 27 +++++++++++++++++++++++++++
 3 files changed, 31 insertions(+), 20 deletions(-)

diff --git a/configure b/configure
index fc945d0..5215dcf 100755
--- a/configure
+++ b/configure
@@ -27956,14 +27956,14 @@ rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 
     if test "X$HDF_FORTRAN" = "Xyes"; then
-      ## Change to the Fortran 90 language
+
+
       ac_ext=${ac_fc_srcext-f}
 ac_compile='$FC -c $FCFLAGS $ac_fcflags_srcext conftest.$ac_ext >&5'
 ac_link='$FC -o conftest$ac_exeext $FCFLAGS $LDFLAGS $ac_fcflags_srcext conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_fc_compiler_gnu
 
 
-      ## Try link a simple MPI program.
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a simple MPI-IO Fortran program can be linked" >&5
 $as_echo_n "checking whether a simple MPI-IO Fortran program can be linked... " >&6; }
       cat > conftest.$ac_ext <<_ACEOF
@@ -27985,13 +27985,13 @@ fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 
-      ## Change to the C language
       ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
+
     fi
 
     ## Set RUNPARALLEL to mpiexec if not set yet.
diff --git a/configure.ac b/configure.ac
index 0bdeafd..088ced8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2390,23 +2390,7 @@ case "X-$enable_parallel" in
 		    AC_MSG_ERROR([unable to link a simple MPI-IO C program])])
 
     if test "X$HDF_FORTRAN" = "Xyes"; then
-      ## Change to the Fortran 90 language
-      AC_LANG_PUSH(Fortran)
-
-      ## Try link a simple MPI program.
-      AC_MSG_CHECKING([whether a simple MPI-IO Fortran program can be linked])
-      AC_LINK_IFELSE([
-          program main
-          include 'mpif.h'
-          integer:: ierr
-          call mpi_file_open( ierr )
-          end],
-	  [AC_MSG_RESULT([yes])],
-	  [AC_MSG_RESULT([no])
-	   AC_MSG_ERROR([unable to link a simple MPI-IO Fortran program])])
-
-      ## Change to the C language
-      AC_LANG_POP(Fortran)
+      PAC_PROG_FC_MPI_CHECK
     fi
 
     ## Set RUNPARALLEL to mpiexec if not set yet.
diff --git a/m4/aclocal_fc.m4 b/m4/aclocal_fc.m4
index 7e909ba..04bcf5f 100644
--- a/m4/aclocal_fc.m4
+++ b/m4/aclocal_fc.m4
@@ -249,3 +249,30 @@ rm -rf conftest*
 AC_LANG_POP(Fortran)
 ])
 
+dnl ----------------------
+dnl Parallel Test Programs
+dnl ----------------------
+
+dnl Try link a simple MPI program.
+
+AC_DEFUN([PAC_PROG_FC_MPI_CHECK],[
+
+dnl   Change to the Fortran 90 language
+      AC_LANG_PUSH(Fortran)
+
+dnl   Try link a simple MPI program.
+      AC_MSG_CHECKING([whether a simple MPI-IO Fortran program can be linked])
+      AC_LINK_IFELSE([
+          PROGRAM main
+          USE mpi
+          INTEGER :: ierr
+          call mpi_file_open( ierr )
+          END],
+	  [AC_MSG_RESULT([yes])],
+	  [AC_MSG_RESULT([no])
+	   AC_MSG_ERROR([unable to link a simple MPI-IO Fortran program])])
+
+dnl   Change to the C language
+      AC_LANG_POP(Fortran)
+])
+	
-- 
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