AC_INIT(QOTD Quote Daemon, 1.0, bobf@mrp3.com, quoted)
AC_CONFIG_SRCDIR(quoted.c)
AM_INIT_AUTOMAKE
AC_PROG_CC

AC_PROG_GCC_TRADITIONAL

# check libraries before checking functions
AC_CHECK_LIB([m],[floor])
AC_HEADER_STDC
AC_HEADER_TIME
AC_HEADER_SYS_WAIT

# recommended by autoscan
AC_CHECK_HEADERS([stdio.h])
AC_CHECK_HEADERS([fcntl.h])
AC_CHECK_HEADERS([limits.h])
AC_CHECK_HEADERS([math.h])
AC_CHECK_HEADERS([netinet/in.h])
AC_CHECK_HEADERS([sys/ioctl.h])
AC_CHECK_HEADERS([sys/socket.h])
AC_CHECK_HEADERS([sys/time.h])

AC_CHECK_FUNCS([printf bzero munmap select socket])
AC_CHECK_FUNCS([floor])
AC_FUNC_FORK
AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_FUNC_SELECT_ARGTYPES

AC_TYPE_PID_T
AC_C_CONST


# define the host name information 'host' from config.guess

AC_CANONICAL_HOST


# check for ln, assign as LN_S
AC_PROG_LN_S


# additional arguments
AC_ARG_ENABLE(usedaemon,
[  --use-daemon    Install as daemon],
[ case "$(enableval)" in
   yes) usedaemon=true ;;
   no) usedaemon=false ;;
   *) AC_MSG_ERROR(bad value $(enableval) for --use-daemon) ;;
  esac],[usedaemon=true])

AM_CONDITIONAL(USE_DAEMON,test x$usedaemon = xtrue)

AC_TYPE_SIGNAL

# optional things for Interix vs Linux vs FreeBSD vs the rest of the world

# specific check for interix, man page assignment

case $host in
  i*86-pc-interix*)
    MAN_PAGES="quoted.interix"
    is_interix=true
    ;;
  *)
    MAN_PAGES="quoted.1"
    is_interix=false
    ;;
esac


# disposition of 'init' files
echo "$as_me:$LINENO: checking operating system type for daemon install" >&5
echo $ECHO_N "checking operating system type for daemon install... $ECHO_C" >&6

case $host in
  i*86-pc-interix*)
    RC_LN_DIR="/etc/rc2.d"
    RC_COPY_DIR="/etc/init.d"
    RC_FILE_SRC="quoted.rc.interix"
    RC_FILE="quoted"
    update_rc=false
    echo "$as_me:$LINENO: result: Interix (init.d, create link)" >&5
    echo "${ECHO_T}Interix (init.d, create link)" >&6
    ;;
  *-*-linux-gnu)
    RC_LN_DIR=""
    RC_COPY_DIR="/etc/init.d"
    RC_FILE_SRC="quoted.rc.linux"
    RC_FILE="quoted"
    update_rc=true
    echo "$as_me:$LINENO: result: GNU Linux (invoke update-rc.d)" >&5
    echo "${ECHO_T}GNU Linux (invoke update-rc.d)" >&6
    ;;
  *-*-freebsd*)
    RC_LN_DIR=""
    RC_COPY_DIR="$sysconfdir/rc.d"
    RC_FILE_SRC="quoted.sh.rc.freebsd"
    RC_FILE="quoted.sh"
    update_rc=false
    echo "$as_me:$LINENO: result: FreeBSD (/usr/local/etc/rc.d)" >&5
    echo "${ECHO_T}FreeBSD (/usr/local/etc/rc.d)" >&6
    ;;
  *)
    RC_LN_DIR=""
    RC_COPY_DIR=""
    RC_FILE_SRC=""
    RC_FILE=""
    update_rc=false
    echo "$as_me:$LINENO: result: Unknown (none) host=$host" >&5
    echo "${ECHO_T}Unknown (none) host=$host" >&6
    ;;
esac

# create a conditional that specifies how to handle RC
# use 'x' to avoid using quotes...

AM_CONDITIONAL(IS_INTERIX, test x$is_interix = xtrue)
AM_CONDITIONAL(UPDATE_RC, test x$update_rc = xtrue)
AM_CONDITIONAL(CREATE_RC_LINK, test x$RC_LN_DIR != x)
AM_CONDITIONAL(COPY_RC_FILE, test x$RC_COPY_DIR != x)

AC_SUBST([MAN_PAGES])
AC_SUBST([RC_LN_DIR])
AC_SUBST([RC_COPY_DIR])
AC_SUBST([RC_FILE_SRC])
AC_SUBST([RC_FILE])

# handling the 'NORMAL_UNINSTALL' make variable properly

# first, see if I'm installing as a daemon

if test x$usedaemon = xtrue ; then
  # next, see if I'm copying the RC file (if I'm not I can't tell how to stop the daemon!)

  if test x$RC_COPY_DIR != x ; then
    # this means I am a daemon, so sub 'NORMAL_UNINSTALL' to stop the daemon first

    NORMAL_UNINSTALL='$(MAKE) $(AM_MAKEFLAGS) custom-stop-daemon'
  else
    NORMAL_UNINSTALL=":"
  fi
else
  NORMAL_UNINSTALL=":"
fi

AC_SUBST([NORMAL_UNINSTALL])


# the end

AC_CONFIG_FILES([Makefile])
AC_OUTPUT