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dnl Process this file with autoconf to produce a configure script.
AC_INIT(lcd4linux.c)
AM_INIT_AUTOMAKE(lcd4linux, 0.98)

dnl Checks for programs.
AC_PROG_AWK
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S

dnl Checks for libraries.
AC_CHECK_LIB(m, log)

dnl Checks for X11
AC_PATH_XTRA


dnl Fixme AM_CONDITIONAL(WITH_X, test x$no_x = x)

dnl drivers
AC_ARG_WITH(
  drivers, 
  [  --with-drivers=<list>   compile driver for displays in <list>,]
  [                        drivers may be separated with commas,]	
  [                        'all' compiles all avvailable drivers.]	
  [                        possible drivers are:]	
  [                        BeckmannEgle, CrystalFontz, HD44780,]
  [                        MatrixOrbital, PalmPilot, PNG, PPM, X11],
  drivers=$withval, 
  drivers=all
)
if test "$drivers" = "all"; then
   drivers=[BeckmannEgle,CrystalFontz,HD44780,MatrixOrbital,PalmPilot,PNG,PPM,X11]
fi
drivers=`echo $drivers|sed 's/,/ /g'`
for driver in $drivers; do
   case "$driver" in
      BeckmannEgle)
         DRIVERS="$DRIVERS BeckmannEgle.o"
         AC_DEFINE(WITH_BECKMANNEGLE)
         ;;
      CrystalFontz)
         DRIVERS="$DRIVERS Crystalfontz.o"
         AC_DEFINE(WITH_CRYSTALFONTZ)
         ;;
      HD44780)
         DRIVERS="$DRIVERS HD44780.o"
         AC_DEFINE(WITH_HD44780)
         ;;
      MatrixOrbital)
         DRIVERS="$DRIVERS MatrixOrbital.o"
         AC_DEFINE(WITH_MATRIXORBITAL)
         ;;
      PalmPilot)
         DRIVERS="$DRIVERS PalmPilot.o"
         AC_DEFINE(WITH_PALMPILOT)
         ;;
      PNG)
         RASTER="Raster.o"
         AC_DEFINE(WITH_PNG)
	 DRVLIBS="$DRVLIBS -lgd -lpng -lz"
         ;;
      PPM)
         RASTER="Raster.o"
         AC_DEFINE(WITH_PPM)
         ;;
      SIN)
         DRIVERS="$DRIVERS SIN.o"
         AC_DEFINE(WITH_SIN)
         ;;
      Skeleton)
         DRIVERS="$DRIVERS Skeleton.o"
         AC_DEFINE(WITH_Skeleton)
         ;;
      X11)
         DRIVERS="$DRIVERS XWindow.o"
	 DRVLIBS="$DRVLIBS -lX11"
         AC_DEFINE(WITH_X11)
         ;;
      *) 	
         AC_MSG_ERROR([Unknown driver '$driver'])
         ;;
   esac
done

DRIVERS="$DRIVERS $RASTER"

AC_SUBST(DRIVERS)
AC_SUBST(DRVLIBS)

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h sys/ioctl.h sys/time.h syslog.h unistd.h)
AC_CHECK_HEADERS(sys/io.h asm/io.h)

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

dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MEMCMP
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(gettimeofday socket strdup strerror strstr strtol uname)

AC_OUTPUT(Makefile)