From 58d3c063100f853b476e33fde2e8effc170a2892 Mon Sep 17 00:00:00 2001
From: Craig E Rasmussen <rasmus@cas.uoregon.edu>
Date: Tue, 26 Jul 2005 17:21:31 +0000
Subject: [PATCH] Initial version.

This commit was SVN r6605.
---
 config/f90_get_int_kind.m4 | 61 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 config/f90_get_int_kind.m4

diff --git a/config/f90_get_int_kind.m4 b/config/f90_get_int_kind.m4
new file mode 100644
index 0000000000..5f3e1635f9
--- /dev/null
+++ b/config/f90_get_int_kind.m4
@@ -0,0 +1,61 @@
+dnl -*- shell-script -*-
+dnl
+dnl Copyright (c) 2004-2005 The Trustees of Indiana University.
+dnl                         All rights reserved.
+dnl Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
+dnl                         All rights reserved.
+dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
+dnl                         University of Stuttgart.  All rights reserved.
+dnl Copyright (c) 2004-2005 The Regents of the University of California.
+dnl                         All rights reserved.
+dnl $COPYRIGHT$
+dnl 
+dnl Additional copyrights may follow
+dnl 
+dnl $HEADER$
+dnl
+
+AC_DEFUN([OMPI_F90_GET_INT_KIND],[
+# Determine kind of a FORTRAN integer.
+# First arg is decimal range, 2nd arg is config var to define.
+
+AC_MSG_CHECKING(kind for FORTRAN selected_int_kind($1))
+
+cat > conftestf.f90 <<EOF
+program main
+    open(8, file="conftestval")
+    write(8, fmt="(I5)") selected_int_kind($1)
+    close(8)
+end program
+EOF
+
+#
+# Try the compilation and run.
+#
+
+OMPI_LOG_COMMAND([$FC $FCFLAGS $FCFLAGS_f90 -o conftest conftestf.f90],
+	OMPI_LOG_COMMAND([./conftest], [HAPPY=1], [HAPPY=0]), [HAPPY=0])
+
+ompi_ac_int_kind=-1
+if test "$HAPPY" = "1" -a -f conftestval; then
+    # get rid of leading spaces for eval assignment
+    ompi_ac_int_kind=`sed 's/  *//' conftestval`
+    AC_MSG_RESULT([$ompi_ac_int_kind])
+    if test -n "$2"; then
+	eval "$2=$ompi_ac_int_kind"
+    fi
+else
+    AC_MSG_RESULT([unknown])
+
+    OMPI_LOG_MSG([here is the fortran program:], 1)
+    OMPI_LOG_FILE([conftestf.f90])
+
+    AC_MSG_WARN([*** Problem running configure test!])
+    AC_MSG_WARN([*** See config.log for details.])
+    AC_MSG_ERROR([*** Cannot continue.])
+fi
+str="$2=$ompi_ac_int_kind"
+eval $str
+
+unset ompi_ac_int_kind HAPPY
+/bin/rm -f conftest*])dnl