# -*- shell-script -*-
#
# Copyright (c) 2004-2005 The Trustees of Indiana University.
#                         All rights reserved.
# Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
#                         All rights reserved.
# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
#                         University of Stuttgart.  All rights reserved.
# Copyright (c) 2004-2005 The Regents of the University of California.
#                         All rights reserved.
# $COPYRIGHT$
# 
# Additional copyrights may follow
# 
# $HEADER$
#

# OMPI_LOAD_PLATFORM()
# --------------------
AC_DEFUN([OMPI_LOAD_PLATFORM], [
    AC_ARG_WITH([platform],
        [AC_HELP_STRING([--with-platform=FILE],
                        [Load options for build from FILE.  Options on the
                         command line not in FILE are used.  Options on the
                         command line and in FILE are replaced by what is
                         in FILE.])])
    if test "$with_platform" = "yes" ; then
        AC_MSG_ERROR([--with-platform argument must include FILE option])
    elif test "$with_platform" = "no" ; then
        AC_MSG_ERROR([--without-platform is not a valid argument])
    elif test "$with_platform" != "" ; then
        # if no path part, check in contrib/platform
        if test "`basename $with_platform`" = "$with_platform" ; then
            if test -r "${srcdir}/contrib/platform/$with_platform" ; then
                with_platform="${srcdir}/contrib/platform/$with_platform"
            fi
        fi

        # make sure file exists
        if test ! -r "$with_platform" ; then
            AC_MSG_ERROR([platform file $with_platform not found])
        fi

        # eval into environment
        OMPI_LOG_MSG([Loading environment file $with_platform, with contents below])
        OMPI_LOG_FILE([$with_platform])
        . "$with_platform"

        # see if they left us a name
        if test "$OMPI_PLATFORM_LOADED" != "" ; then
           platform_loaded="$OMPI_PLATFORM_LOADED"
        else
           platform_loaded="$with_platform"
        fi
        echo "Loaded platform arguments for $platform_loaded"
        OMPI_LOG_MSG([Loaded platform arguments for $platform_loaded])
    fi
])