#!/bin/sh

# Run this to set up the build system: configure, makefiles, etc.

# We trust that the user has a recent enough autoconf & automake setup

# (not older than a few years...)

use_symlinks=" --symlink"

case $1 in

	--no-symlink*)

		use_symlinks=""

		echo "Copying autotool files instead of using symlinks."

		;;

	*)

		echo "Using symlinks to autotool files (use --no-symlinks to copy instead)."

		;;

	esac

test_program_errors=0

test_program () {

	if ! command -v $1 >/dev/null 2>&1 ; then

		echo "Missing program '$1'."

		test_program_errors=1

		fi

}

for prog in autoconf automake libtool pkg-config ; do

	test_program $prog

	done

if test $(uname -s) != "Darwin" ; then

	test_program gettext

	fi

test $test_program_errors -ne 1 || exit 1

#-------------------------------------------------------------------------------

set -e

if test $(uname -s) = "OpenBSD" ; then

	# OpenBSD needs these environment variables set.

	if test -z "$AUTOCONF_VERSION" ; then

		AUTOCONF_VERSION=2.69

		export AUTOCONF_VERSION

		echo "Defaulting to use AUTOCONF_VERSION version ${AUTOCONF_VERSION}."

	else

		echo "Using AUTOCONF_VERSION version ${AUTOCONF_VERSION}."

		fi

	if test -z "$AUTOMAKE_VERSION" ; then

		AUTOMAKE_VERSION=1.15

		export AUTOMAKE_VERSION

		echo "Defaulting to use AUTOMAKE_VERSION version ${AUTOMAKE_VERSION}."

	else

		echo "Using AUTOMAKE_VERSION version ${AUTOMAKE_VERSION}."

		fi

	fi

srcdir=`dirname $0`

test -n "$srcdir" && cd "$srcdir"

echo "Updating build configuration files for FLAC, please wait...."

touch config.rpath

autoreconf --install $use_symlinks --force

#./configure "$@" && echo