#! /bin/sh
## =================================================================
## Logtalk - Object oriented extension to Prolog
## Release 2.25.1
##
## Copyright (c) 1998-2005 Paulo Moura. All Rights Reserved.
echo
echo "Creating a script named swilgt for running Logtalk with SWI-Prolog..."
if ! [ "$LOGTALKHOME" ]
then
echo "The environment variable LOGTALKHOME must be defined first!"
exit 1
fi
if [ -z "$1" ]; then
prefix=/usr/local
else
prefix="$1"
if ! [ -d "$1" ]; then
echo "Directory prefix does not exist!"
cd "$LOGTALKHOME"
mkdir -p bin
cd bin
echo ":- system_module." > logtalk_swi.pl
cat ../compiler/logtalk.pl >> logtalk_swi.pl
echo ":- consult('\$LOGTALKUSER/configs/swi.config')." > logtalk_swi.rc
echo ":- consult('\$LOGTALKUSER/configs/swihook.pl')." >> logtalk_swi.rc
echo ":- consult('\$LOGTALKHOME/bin/logtalk_swi.pl')." >> logtalk_swi.rc
echo ":- consult('\$LOGTALKUSER/libpaths/libpaths.pl')." >> logtalk_swi.rc
echo "#/bin/sh" > swilgt
case $( uname -s ) in
Darwin ) echo "swipl -f \$LOGTALKHOME/bin/logtalk_swi.rc" >> swilgt;;
* ) echo "pl -f \$LOGTALKHOME/bin/logtalk_swi.rc" >> swilgt;;
esac
chmod a+x swilgt
ln -sf $LOGTALKHOME/bin/swilgt $prefix/bin/swilgt
echo "Done. A link to the script was been created in $prefix/bin."
echo "Users should define the environment variables LOGTALKHOME and"
echo "LOGTALKUSER in order to use the script."