#! /bin/sh

# $NetBSD: configure,v 1.1.1.1 2014/03/05 05:19:25 agc Exp $

# Copyright (c) 2013 Alistair Crooks <agc@NetBSD.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
#

# set up defs and paths, etc
prefix=/usr/local
mandir=${prefix}/man
while [ $# -gt 0 ]; do
	case "$1" in
	# do all shells have ${1#--prefix=} yet?
	--prefix=*)	prefix=$(echo "$1" | sed -e 's|--prefix=||') ;;
	--mandir=*)	mandir=$(echo "$1" | sed -e 's|--mandir=||') ;;
	--build=*|--host=*|--infodir=*)	;;
	*)		break ;;
	esac
	shift
done

rm -f config.h
echo "#ifndef CONFIG_H_" > config.h
echo "#define CONFIG_H_ $(date '+%Y%m%d')" >> config.h
echo "" >> config.h

# portability macros
echo "#ifndef __UNCONST" >> config.h
echo "#define __UNCONST(a)   ((void *)(unsigned long)(const void *)(a))" >> config.h
echo "#endif /* __UNCONST */" >> config.h
echo "" >> config.h
echo "#ifndef USE_ARG" >> config.h
echo "#define USE_ARG(x)       /*LINTED*/(void)&(x)" >> config.h
echo "#endif /* USE_ARG */" >> config.h

echo "" >> config.h
echo "#endif /* CONFIG_H_ */" >> config.h

for f in Makefile.in; do
	sed	-e 's|@PREFIX@|'${prefix}'|g' \
		-e 's|@MANDIR@|'${mandir}'|g' $f > $(basename $f .in)
done

exit 0