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dnl -*- shell-script -*-
dnl
dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
dnl University Research and Technology
dnl Corporation. All rights reserved.
dnl Copyright (c) 2004-2005 The University of Tennessee and The University
dnl of Tennessee Research Foundation. All rights
dnl 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 (c) 2010-2014 Cisco Systems, Inc. All rights reserved.
dnl $COPYRIGHT$
dnl
dnl Additional copyrights may follow
dnl
dnl $HEADER$
dnl
# Check whether or not the Fortran compiler supports the "interface"
# keyword or not.
# OMPI_FORTRAN_CHECK_INTERFACE([action if found],
# [action if not found])
# ----------------------------------------------------
AC_DEFUN([OMPI_FORTRAN_CHECK_INTERFACE],[
AS_VAR_PUSHDEF([interface_var], [ompi_cv_fortran_interface])
AC_CACHE_CHECK([if Fortran compiler supports INTERFACE], interface_var,
[AC_LANG_PUSH([Fortran])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[MODULE my_module
INTERFACE MPI_Foo
SUBROUTINE inky(a)
DOUBLE PRECISION A
END SUBROUTINE inky
SUBROUTINE blinky(a)
INTEGER A
END SUBROUTINE blinky
END INTERFACE MPI_Foo
END MODULE my_module]])],
[AS_VAR_SET(interface_var, yes)],
[AS_VAR_SET(interface_var, no)])
touch conftest_foo.mod
rm -rf *.mod 2>/dev/null
AC_LANG_POP([Fortran])
])
AS_VAR_IF(interface_var, [yes], [$1], [$2])
AS_VAR_POPDEF([interface_var])dnl
])
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