AC_INIT
AM_INIT_AUTOMAKE(gpsd, 2.5)
AC_PREFIX_PROGRAM(gcc)
AM_CONFIG_HEADER(config.h)
AC_LANG([C])

AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_C_BIGENDIAN

if eval "test x$GCC = xyes"; then
	CFLAGS="$CFLAGS -Wall -W -Wcast-align -Wcast-qual -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith -Wreturn-type"
	dnl -W -Wcast-align -Wcast-qual -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith -Wreturn-type
fi

AC_CHECK_HEADERS(termios.h sys/termios.h sys/select.h strings.h sys/filio.h sys/time.h X11/xpm.h xpm.h getopt.h sys/modem.h)

AC_CHECK_LIB(nsl, gethostbyname, LIBNSL="-lnsl")
AC_SUBST(LIBNSL)
AC_CHECK_LIB(socket, socket, LIBSOCKET="-lsocket")
AC_SUBST(LIBSOCKET)
AC_CHECK_LIB(m, rint, LIBM="-lm")
AC_SUBST(LIBM)
AC_CHECK_LIB(c, open, LIBC="-lc")
AC_SUBST(LIBC)

AH_VERBATIM([_GNU_SOURCE],
          [/* Macro for declaring function arguments unused. */
#if defined(__GNUC__)
#  define UNUSED __attribute__((unused)) /* Flag variable as unused */
#else /* not __GNUC__ */
#  define UNUSED
#endif])

dnl Check for X libraries
AC_PATH_XTRA
LIBS="$LIBS $X_EXTRA_LIBS"
CFLAGS="$CFLAGS $X_CFLAGS"
CPPFLAGS="$CPPFLAGS $X_CFLAGS"
LDFLAGS="$LDFLAGS $X_LIBS"
AC_SUBST(X_LIBS)
AC_SUBST(X11_LIBS)
AC_SUBST(X_PRE_LIBS)

dnl Check for some auxiliary X libraries we'll need
AC_CHECK_LIB(Xt, XtToolkitInitialize, XT_LIBS="-lXt",,
	${X_PRE_LIBS} ${X11_LIBS})
AC_SUBST(XT_LIBS)
AC_CHECK_LIB(Xaw, XawInitializeWidgetSet, XAW_LIBS="-lXaw",,
	${X_PRE_LIBS} ${X11_LIBS})
AC_SUBST(XAW_LIBS)
AC_CHECK_LIB(Xext, XShapeQueryVersion, XEXT_LIBS="-lXext",,
	${X_PRE_LIBS} ${X11_LIBS})
AC_SUBST(XEXT_LIBS)
AC_CHECK_LIB(Xpm, XpmCreatePixmapFromXpmImage,
	XPM_LIBS="-lXpm"
	AC_DEFINE([HAVE_XPM],1,[Xpm available]),,${X_PRE_LIBS} ${X11_LIBS})
AC_SUBST(XPM_LIBS)

dnl Check for Motif widget libraries
XM_LIBS=""
XP_LIBS=""
if test "$motif_includes" != "no" && test "$motif_libraries" != "no"
then
dnl Motif 2.1 wants `-lXp' (X11R6.3 print server)
AC_CHECK_LIB(Xp, XpSelectInput,
	XP_LIBS="-lXp"
	AC_DEFINE([HAVE_XP],1,[Xp available]),,
	${X_PRE_LIBS} ${XPM_LIBS} ${XEXT_LIBS} ${XT_LIBS} ${XEXT_LIBS} ${X11_LIBS} ${LIBGEN})
dnl
AC_CHECK_LIB(Xm, XmCreateOptionMenu, 
	XM_LIBS="-lXm"
	AC_DEFINE([HAVE_MOTIF],1,[Motif available]),,
	${X_PRE_LIBS} ${XP_LIBS} ${XPM_LIBS} ${XEXT_LIBS} ${XT_LIBS} ${XEXT_LIBS} ${X11_LIBS} ${LIBGEN})
fi
AC_SUBST(XP_LIBS)
AC_SUBST(XM_LIBS)
AM_CONDITIONAL([HAVE_MOTIF], [test "$XM_LIBS" != ""])

dnl check for FV-18 support
AC_ARG_ENABLE(fv18,
  AC_HELP_STRING([--disable-fv18],
                 [disable San Jose Navigation FV-18 support]),
  [ac_fv18=$enableval], [ac_fv18=yes])
AC_MSG_CHECKING([for FV-18 support])
if test x"$ac_fv18" = "xyes"; then
    AC_MSG_RESULT([yes])
	AC_DEFINE([FV18_ENABLE], 1, [San Jose Navigation FV-18 support])
else
  AC_MSG_RESULT([no])
fi

dnl check for Tripmate support
AC_ARG_ENABLE(tripmate,
  AC_HELP_STRING([--disable-tripmate],
                 [disable DeLorme TripMate support]),
  [ac_tripmate=$enableval], [ac_tripmate=yes])
AC_MSG_CHECKING([for Tripmate support])
if test x"$ac_tripmate" = "xyes"; then
    AC_MSG_RESULT([yes])
	AC_DEFINE([TRIPMATE_ENABLE], 1, [DeLorme TripMate support])
else
  AC_MSG_RESULT([no])
fi

dnl check for EarthMate support
AC_ARG_ENABLE(earthmate,
  AC_HELP_STRING([--disable-earthmate],
                 [disable DeLorme EarthMate Zodiac support]),
  [ac_earthmate=$enableval], [ac_earthmate=yes])
AC_MSG_CHECKING([for EarthMate support])
if test x"$ac_earthmate" = "xyes"; then
    AC_MSG_RESULT([yes])
	AC_DEFINE([EARTHMATE_ENABLE], 1, [DeLorme EarthMate Zodiac support])
else
  AC_MSG_RESULT([no])
fi

dnl check for Logfile support
AC_ARG_ENABLE(logfile,
  AC_HELP_STRING([--disable-logfile],
                 [disable Logfile driver support]),
  [ac_logfile=$enableval], [ac_logfile=yes])
AC_MSG_CHECKING([for Logfile support])
if test x"$ac_logfile" = "xyes"; then
    AC_MSG_RESULT([yes])
	AC_DEFINE([LOGFILE_ENABLE], 1, [Logfile driver support])
else
  AC_MSG_RESULT([no])
fi

AC_OUTPUT(Makefile gpsd.spec)

dnl Output the configuration summary
echo ""
echo "=========================================="
echo "$PACKAGE $VERSION"
echo "------------------------------------------"
echo "FV-18       : $ac_fv18"
echo "Tripmate    : $ac_tripmate"
echo "Earthmate   : $ac_earthmate"
echo "Logfile     : $ac_logfile"
echo "------------------------------------------"
echo "Configure finished, type 'make' to build."