dnl Disable config.cache
define([AC_CACHE_LOAD], )
define([AC_CACHE_SAVE], )

AC_INIT
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(fprobe-ulog,1.1)
AM_CONFIG_HEADER(config.h)

AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB
dnl AC_CHECK_TOOL(RANLIB, ranlib, :)

AC_CHECK_LIB(pthread, pthread_create, ,	[AC_ERROR(POSIX threads not found)])

dnl ************************************************
dnl inttypes

AC_CHECK_HEADER(inttypes.h, AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H, , Have inttypes.h),
	[AC_CHECK_SIZEOF(int, 8)
	AC_CHECK_SIZEOF(long, 8)
	AC_CHECK_SIZEOF(long long, 8)]
)

dnl ************************************************
dnl OS type

AC_DEFINE_UNQUOTED(OS_LINUX, , OS type)
CFLAGS="$CFLAGS -D_BSD_SOURCE"

dnl ************************************************
dnl Memory bulk indexing mode

AC_MSG_CHECKING(which memory bulk indexing mode to use)
AC_ARG_WITH(membulk,
	[  --with-membulk=MODE     indexing mode: index8|index16|ptr [default=ptr]],
	mem="$withval", mem="ptr")

case "$mem" in
	ptr)
		mem_bits="0"
		;;
	index8)
		mem_bits="8"
		;;
	index16)
		mem_bits="16"
		;;
	*)
		AC_ERROR(Invalid argument: "$mem")
		;;
esac

AC_MSG_RESULT("$mem")
AC_DEFINE_UNQUOTED(MEM_BITS, $mem_bits, Memory bulk indexing mode)

dnl ************************************************
dnl Hash type

AC_MSG_CHECKING(which hash type and size to use)
AC_ARG_WITH(hash, 
	[  --with-hash=TYPE        hash type: crc16|xor16|xor8 [default=crc16]],
	hash="$withval", hash="crc16")

hash_type=`echo "$hash"|cut -b -3`
hash_bits=`echo "$hash"|cut -b 4-`

if test "$hash_type" = "xor"; then
	AC_DEFINE_UNQUOTED(HASH_TYPE_XOR, , Hash type)
	if test "$hash_bits" != "8" -a "$hash_bits" != "16"; then
		AC_ERROR(Invalid argument: "$withval")
	fi
else
	if test "$hash" != "crc16"; then
		AC_ERROR(Invalid argument: "$hash")
	fi
	AC_DEFINE_UNQUOTED(HASH_TYPE_CRC, , Hash type)
fi

AC_DEFINE_UNQUOTED(HASH_BITS, $hash_bits , Hash size)
AC_MSG_RESULT("$hash")

dnl ************************************************
dnl Uptime trick

AC_MSG_CHECKING(whether to enable uptime trick)
AC_ARG_ENABLE(uptime_trick,
	[  --enable-uptime_trick   enable uptime trick [default=yes]],
	uptime_trick="$enableval", uptime_trick="yes")
case "$uptime_trick" in
	yes)
		AC_MSG_RESULT(yes)
		AC_DEFINE_UNQUOTED(UPTIME_TRICK, , Uptime trick)
		;;
	*)
		AC_MSG_RESULT(no)
		;;
esac

dnl ************************************************
dnl ICMP trick

AC_MSG_CHECKING(whether to enable icmp trick)
AC_ARG_ENABLE(icmp_trick, 
	[  --enable-icmp_trick     enable icmp trick: yes|cisco|no [default=yes]],
	icmp_trick="$enableval", icmp_trick="yes")
case "$icmp_trick" in
	yes)
		AC_MSG_RESULT(yes)
		AC_DEFINE_UNQUOTED(ICMP_TRICK, , ICMP trick)
		;;
	cisco)
		AC_MSG_RESULT(yes: cisco)
		AC_DEFINE_UNQUOTED(UPTIME_TRICK_CISCO, , Uptime trick)
		;;
	*)
		AC_MSG_RESULT(no)
		;;
esac

dnl ************************************************
dnl Debugging output

AC_MSG_CHECKING(whether to enable debugging)
AC_ARG_ENABLE(debug,
	[  --enable-debug          enable debugging [default=no]],
	debug="$enableval", debug="no")
case "$debug" in
	no)
		AC_MSG_RESULT(no)
		debug_val="0"
		;;
	yes)
		AC_MSG_RESULT(all)
		debug_val="-1"
		;;
	*)
		AC_MSG_RESULT(custom: $debug)
		debug_val="0"
		debug=`echo $debug|tr , " "`
		for i in $debug; do
			debug_val="$debug_val | DEBUG_$i"
		done
		;;
esac
AC_DEFINE_UNQUOTED(DEBUG, ($debug_val) , Debugging output)

dnl ************************************************
dnl Runtime messages

AC_MSG_CHECKING(whether to enable runtime messages)
AC_ARG_ENABLE(messages,
	[  --enable-messages       enable runtime messages [default=no]],
	messages="$enableval", messages="no")
case "$messages" in
	yes)
		AC_MSG_RESULT(yes)
		AC_DEFINE_UNQUOTED(MESSAGES, , Runtime messages)
		;;
	*)
		AC_MSG_RESULT(no)
		;;
esac

dnl ************************************************
dnl Pidfiles location

AC_MSG_CHECKING(directory to store pidfiles)
AC_ARG_WITH(piddir,
	[  --with-piddir=DIR       pidfiles location [default=/var/run]],
	piddir="$withval", piddir="/var/run")
	AC_DEFINE_UNQUOTED(PID_DIR, "$piddir", Pidfiles location)
	AC_MSG_RESULT("$piddir")

dnl ************************************************

CFLAGS="$CFLAGS -D_REENTRANT"
CFLAGS="$CFLAGS -DWALL -W -Wall"

AC_SUBST(PACKAGE)
AC_SUBST(VERSION)
DATE=`date +%Y-%m-%d`
AC_SUBST(DATE)

AC_OUTPUT(Makefile src/Makefile src/libipulog/Makefile)