dnl Process this file with autoconf to produce a configure script.
AC_INIT(include/extern.h)

MAJOR_VERSION=5
MINOR_VERSION=2
AM_INIT_AUTOMAKE(watchdog, $MAJOR_VERSION.$MINOR_VERSION)

AC_PREFIX_DEFAULT(/usr)

AC_DEFINE_UNQUOTED(MAJOR_VERSION, $MAJOR_VERSION)
AC_DEFINE_UNQUOTED(MINOR_VERSION, $MINOR_VERSION)

AM_CONFIG_HEADER(include/config.h)
AM_SANITY_CHECK
AM_MAINTAINER_MODE
	
dnl Checks for programs.
AC_PROG_AWK
AC_PROG_CC
AC_PROG_INSTALL

AC_PATH_PROG(PATH_SENDMAIL, sendmail, /usr/lib/sendmail, $PATH /usr/bin /usr/sbin /usr/etc /etc /usr/ucblib)
if test -n "$PATH_SENDMAIL"; then
  AC_DEFINE_UNQUOTED(PATH_SENDMAIL, "$PATH_SENDMAIL")
fi

dnl Checks for libraries.

dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h limits.h paths.h sys/ioctl.h sys/time.h syslog.h unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_STRUCT_ST_RDEV
AC_DECL_SYS_SIGLIST
AC_HEADER_TIME

dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_PROG_GCC_TRADITIONAL
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS(gethostname select socket strcspn strdup strerror strstr strtoul uname)

AC_MSG_CHECKING(whether to log via syslog)
AC_ARG_ENABLE(syslog,
[  --disable-syslog        Disable logging by syslog (deprecated)],[
   if test "$enableval" = "yes"; then
      AC_DEFINE(USE_SYSLOG, 1)
	  AC_MSG_RESULT(yes)
   else
      AC_DEFINE(USE_SYSLOG, 0)
	  AC_MSG_RESULT(no)
   fi
],[
  AC_DEFINE(USE_SYSLOG, 1)
  AC_MSG_RESULT(yes)
])

AC_MSG_CHECKING(whether to include NFS support)
AC_ARG_ENABLE(nfs,
[  --disable-nfs           Disable NFS support],[
   if test "$enableval" = "yes"; then
      AC_DEFINE(HAVE_NFS, 1)
	  AC_MSG_RESULT(yes)
   else
      AC_DEFINE(HAVE_NFS, 0)
	  AC_MSG_RESULT(no)
   fi
],[
  AC_DEFINE(HAVE_NFS, 1)
  AC_MSG_RESULT(yes)
])

AC_MSG_CHECKING(for minimum value accepted as reboot cause)
AC_ARG_WITH(minload,
[  --with-minload=int      minimum value accepted as reboot cause (default 2)],[
  AC_DEFINE_UNQUOTED(MINLOAD, $withval)
  AC_MSG_RESULT($withval)
],[
  AC_DEFINE(MINLOAD, 2)
  AC_MSG_RESULT(2)
])

AC_MSG_CHECKING(for timer margin used by kernel)
AC_ARG_WITH(timermargin,
[  --with-timermargin=int  timer margin used by kernel (default 60)],[
  AC_DEFINE_UNQUOTED(TIMER_MARGIN, $withval)
  AC_MSG_RESULT($withval)
],[
  AC_DEFINE(TIMER_MARGIN, 60)
  AC_MSG_RESULT(60)
])

AC_MSG_CHECKING(for config filename)
AC_ARG_WITH(configfile,
[  --with-configfile=filename
			  name of config file (default /etc/watchdog.conf)],[
  AC_DEFINE_UNQUOTED(CONFIG_FILENAME, "$withval")
  CONFIG_FILENAME="$withval"
  AC_MSG_RESULT($withval)
],[
  CONFIG_FILENAME="/etc/watchdog.conf"
  AC_DEFINE_UNQUOTED(CONFIG_FILENAME, "$CONFIG_FILENAME")
  AC_MSG_RESULT($CONFIG_FILENAME)
])
AC_SUBST(CONFIG_FILENAME)

AC_MSG_CHECKING(for config file line length)
AC_ARG_WITH(linelength,
[  --with-linelength=int   max line length in config file (default 80)],[
  AC_DEFINE_UNQUOTED(CONFIG_LINE_LEN, $withval)
  AC_MSG_RESULT($withval)
],[
  AC_DEFINE(CONFIG_LINE_LEN, 80)
  AC_MSG_RESULT(80)
])

AC_MSG_CHECKING(for pid filename)
AC_ARG_WITH(pidfile,
[  --with-pidfile=filename name of pid file (default /var/run/watchdog.pid)],[
  AC_DEFINE_UNQUOTED(PIDFILE, "$withval")
  AC_MSG_RESULT($withval)
],[
  AC_DEFINE_UNQUOTED(PIDFILE, "/var/run/watchdog.pid")
  AC_MSG_RESULT("/var/run/watchdog.pid")
])

AC_MSG_CHECKING(for random seed filename)
AC_ARG_WITH(randomseed,
[  --with-randomseed=filename
                          filename for storing random seed (default /var/run/random-seed)],[
  AC_DEFINE_UNQUOTED(RANDOM_SEED, "$withval")
  AC_MSG_RESULT($withval)
],[
  AC_DEFINE_UNQUOTED(RANDOM_SEED, "/var/run/random-seed")
  AC_MSG_RESULT("/var/run/random-seed")
])

AC_OUTPUT([Makefile src/Makefile])