Espresso.in

#!/bin/sh
# This is the Espresso-wrapper that is used in the source directory.
# Copyright (C) 2007, Olaf Lenz
#
# This file is part of ESPResSo.
#
# ESPResSo is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# ESPResSo is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# get the name of the directory from the script name
script=$0

while test -L $script; do
    script=`readlink -f "$script"`
done
dir=`dirname $script`

# if Makefile-am is not found there, we must assume that we are in
# the srcdir
if test ! -f $dir/Makefile-am; then
    # try to find the objdir
    objdir="$dir/obj-`$dir/config/config.guess`"
    if test ! -d $objdir; then
	# we didn't find the objdir
	echo "Error: Could not find the build dir $objdir"
	exit 1
    fi
    if test ! -f $objdir/Espresso; then
	# we didn't find the Espresso script
	echo "Error: Could not find Espresso in $objdir"
	exit 1
    fi

    # found it: execute Espresso there
    exec $objdir/Espresso "$@"

# otherwise we are in the objdir 
else
    # try to find the Espresso binary
    if test ! -f $dir/Espresso_bin; then
	echo "Error: Could not find Espresso_bin in $dir"
	exit 1
    fi

    # call Espresso
    if test .$2 != .; then NP=$2; else NP=2; fi
    ESPRESSO_SCRIPTS=@abs_srcdir@/scripts
    export ESPRESSO_SCRIPTS
    ESPRESSO_CALL="$dir/Espresso_bin $*"
    @MPI_INVOCATION@
fi