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#!/bin/sh

# This file is part of TALER
# (C) 2019 GNUnet e.V.
#
# This is very simple POSIX sh script which
# identifies the first matching
# python3 identifier in $PATH and produces
# configure.py from configure.py.in, and then
# calls the new executable configure.py.
#
# It should be portable on Unices. Report bugs on
# the bugtracker if you discover that it isn't
# working as intended.
#
# Authors:
# Author: ng0 <ng0@taler.net>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE
# LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
# THIS SOFTWARE.
#
# SPDX-License-Identifier: 0BSD

# we invoke configure not as a symlink but as a copy,
# so we have to use a fixed location for the repository!
# dir=$(dirname "$(readlink -f -- "$0")")/build-system/taler-build-scripts
dir=$(dirname "$(readlink -- "$0")")/build-system/taler-build-scripts
. $dir/sh/lib.sh/existence.sh
. $dir/sh/lib.sh/existence_python.sh

scriptpath=build-system/taler-build-scripts

if ! test -d "$scriptpath"; then
  echo "fatal error: taler-build-scripts not found at $scriptpath" >&2
  exit 1
fi

export PYTHONPATH="$scriptpath:${PYTHONPATH:-}"

# Call configure.py, assuming all went well.
# $1 is read by configure.py as the prefix.
# If $1 is empty, the python script checks the
# environment for PREFIX. We might need more
# variables and switches, such as DESTDIR.
exec "$PYTHON" ./configure.py $@