#!/bin/sh
#
#   Tiny RADIUS Client Library
#   Copyright (C) 2021 David M. Syzdek <david@syzdek.net>.
#   All rights reserved.
#
#   Redistribution and use in source and binary forms, with or without
#   modification, are permitted provided that the following conditions are
#   met:
#
#      * Redistributions of source code must retain the above copyright
#        notice, this list of conditions and the following disclaimer.
#      * Redistributions in binary form must reproduce the above copyright
#        notice, this list of conditions and the following disclaimer in the
#        documentation and/or other materials provided with the distribution.
#      * Neither the name of David M. Syzdek nor the
#        names of its contributors may be used to endorse or promote products
#        derived from this software without specific prior written permission.
#
#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
#   IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
#   THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
#   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID M SYZDEK BE LIABLE FOR
#   ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
#   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
#   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
#   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
#   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
#   OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
#   SUCH DAMAGE.
#
#   autogen.sh - runs GNU Autotools to create build environment
#

AUTOGENNAME="`basename ${0}`" || exit 1
SRCDIR="`dirname ${0}`"


# check for required programs
for TEST_PROG in which autoreconf autoscan find git;do
   which ${TEST_PROG} 2> /dev/null > /dev/null;
   if test $? -ne 0;then
      echo "${AUTOGENNAME}: unable to find \"${TEST_PROG}\""
      exit 1
   fi
done


# updates git repository
if test -d ${SRCDIR}/.git || test -f ${SRCDIR}/.git;then
   cd ${SRCDIR}
   git submodule init                              || exit 1
   git submodule sync                              || exit 1
   git submodule update --init --recursive --merge || exit 1
   cd -
fi


# symlinks Bindle Tools M4 macros
if test -f ${SRCDIR}/contrib/bindletools/m4/bindle-gcc.m4;then
   cd ${SRCDIR}/m4
   rm -f ./bindle*.m4 || exit 1
   ln -s ../contrib/bindletools/m4/bindle*.m4 ./
   cd -
fi


# perform pre-hook
if test -f ${SRCDIR}/build-aux/autogen-pre-hook.sh;then
   . ${SRCDIR}/build-aux/autogen-pre-hook.sh
fi


# Performs some useful checks
autoscan ${SRCDIR} || exit 1


# generates/installs autotools files
autoreconf -v -i -f -Wall \
   -I m4 \
   -m \
   ${SRCDIR} \
   || exit 1


# perform post-hook
if test -f ${SRCDIR}/build-aux/autogen-post-hook.sh;then
   . ${SRCDIR}/build-aux/autogen-post-hook.sh
fi


# makes build directory
mkdir -p ${SRCDIR}/build


# add newline to create visual separation
echo " "


# end of script