configure

#!/bin/sh
#
# build configuration for nsnotifyd
#
# Written by Tony Finch <dot@dotat.at> in Cambridge.
#
# Permission is hereby granted to use, copy, modify, and/or
# distribute this software for any purpose with or without fee.
#
# This software is provided 'as is', without warranty of any kind.
# In no event shall the authors be liable for any damages arising
# from the use of this software.
#
# SPDX-License-Identifier: 0BSD OR MIT-0

if	echo '#include <resolv.h>' |
	cc -E -dM - |
	grep 'define __RES 200' >/dev/null
then
	cp Makefile.in Makefile
	echo 'Using system resolver'
elif
	echo '#include <resolv.h>' |
	cc -E -dM -I/usr/include/bind - |
	grep 'define __RES 200' >/dev/null
then
	# old Debian with libbind4-dev
	sed '	s|^LIBFLAGS=.*|LIBFLAGS=-I/usr/include/bind|;
		s|^LIBS=.*|LIBS=-lbind|;
	' <Makefile.in >Makefile
	echo 'Using libbind4'
else
	sed '	s|^LIBDEPS=.*|LIBDEPS=${RESLIB}|;
		s|^LIBFLAGS=.*|LIBFLAGS=-I${RES}/include -L${RES}|;
		s|^LIBS=.*|LIBS=-lbind|;
	' <Makefile.in >Makefile
	make resconfig
	echo 'Using static libbind'
fi

echo 'Now run make...'