autogen.sh

#!/bin/sh
#
#  Copyright 2021 Northern.tech AS
#
#  This file is part of CFEngine 3 - written and maintained by Northern.tech AS.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at

#      http://www.apache.org/licenses/LICENSE-2.0

#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#
# To the extent this program is licensed as part of the Enterprise
# versions of CFEngine, the applicable Commercial Open Source License
# (COSL) may apply to this file if you as a licensee so wish it. See
# included file COSL.txt.
#

#
# Detect and replace non-POSIX shell
#
try_exec() {
    type "$1" > /dev/null 2>&1 && exec "$@"
}

broken_posix_shell()
{
    unset foo
    local foo=1
    test "$foo" != "1"
}

if broken_posix_shell >/dev/null 2>&1; then
    try_exec /usr/xpg4/bin/sh "$0" "$@"
    echo "No compatible shell script interpreter found."
    echo "Please find a POSIX shell for your system."
    exit 42
fi

# Valid only after having switched to POSIX shell.
set -e


srcdir=`dirname $0`
test -z "$srcdir" && srcdir=.

cd "$srcdir"

echo "$0: Running autoreconf ..."
autoreconf -Wno-portability --force --install -I m4  ||  exit

cd -  >/dev/null              # back to original directory

if [ -z "$NO_CONFIGURE" ]
then
    echo "$0: Running configure ..."
    "$srcdir"/configure --enable-maintainer-mode "$@"
fi