dnl Process this file with autoconf to produce a configure script.
AC_INIT(ip.cc)
AC_CONFIG_HEADER(config.h)

AC_CONFIG_AUX_DIR(cfgaux)
AC_CANONICAL_HOST


dnl Checks for programs.
AC_PROG_CXX
AC_PROG_RANLIB
AC_PROG_INSTALL

dnl Checks for libraries.
AC_CHECK_LIB(pcap, main,,echo Need libpcap installed;exit)

dnl Check for pcap_setnonblock()
AC_CHECK_LIB(pcap, pcap_setnonblock,AC_DEFINE(HAVE_PCAP_SETNONBLOCK,,pcap_setnonblock func is present),)

dnl check for pcap was successfull
case "$host" in
	*linux*)
		CFLAGS="$CFLAGS -fPIC"
		;;
	*free*bsd*)
		CFLAGS="-DBROKEN_BSD -DIMMEDIATE $CFLAGS"
		;;
	*bsd*)
		CFLAGS="$CFLAGS -DIMMEDIATE -fPIC"
		;;
	*darwin*)
		CFLAGS="$CFLAGS -DDARWIN"
		;;
	*)
		echo "Sorry, $host not supported yet."
		;;
esac


AC_CHECK_LIB(socket, socket)
AC_CHECK_LIB(nsl, inet_ntoa)

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h sys/ioctl.h sys/time.h unistd.h linux/filter.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_C_BIGENDIAN

dnl Checks for library functions.
AC_OUTPUT(Makefile)

ln -s ../usi++ usi++||true
rm -f usi++/config.h||true
cp config.h usi++/config.h