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openmpi/config/f90_get_range.m4
Jeff Squyres 3f5541349a Add UC copyright
This commit was SVN r5009.
2005-03-24 12:43:37 +00:00

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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_RANGE],[
# Determine range of FORTRAN datatype.
# First arg is type, 2nd arg is config var to define.
AC_MSG_CHECKING(range of FORTRAN $1)
cat > conftestf.f90 <<EOF
program main
$1 :: x
open(8, file="conftestval")
write(8, fmt="(I5)") range(x)
close(8)
end program
EOF
#
# Try the compilation and run.
#
OMPI_LOG_COMMAND([$FC $FCFLAGS $FCFLAGS_f90 -o conftest conftestf.f90],
OMPI_LOG_COMMAND([./conftest], [HAPPY=1], [HAPPY=0]), [HAPPY=0])
ompi_ac_range=-1
if test "$HAPPY" = "1" -a -f conftestval; then
# get rid of leading spaces for eval assignment
ompi_ac_range=`sed 's/ *//' conftestval`
AC_MSG_RESULT([$ompi_ac_range])
if test -n "$2"; then
eval "$2=$ompi_ac_range"
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_range"
eval $str
unset ompi_ac_range HAPPY
/bin/rm -f conftest*])dnl