#  Copyright 2005 Adam Jackson.
#
#  Permission is hereby granted, free of charge, to any person obtaining a
#  copy of this software and associated documentation files (the "Software"),
#  to deal in the Software without restriction, including without limitation
#  on the rights to use, copy, modify, merge, publish, distribute, sub
#  license, and/or sell copies of the Software, and to permit persons to whom
#  the Software is furnished to do so, subject to the following conditions:
#
#  The above copyright notice and this permission notice (including the next
#  paragraph) shall be included in all copies or substantial portions of the
#  Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#  FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
#  ADAM JACKSON BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
#  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
#  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Process this file with autoconf to produce a configure script

AC_PREREQ(2.59)
AC_INIT([xf86-video-geode],
        [2.11.12],
        [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg&component=Driver%2Fgeode],
        [xf86-video-geode],
	[http://www.x.org/wiki/GeodeDriver])

AC_CONFIG_SRCDIR([Makefile.am])
AM_CONFIG_HEADER([config.h])
AC_CONFIG_AUX_DIR(.)

# Require xorg-macros: XORG_DEFAULT_OPTIONS
m4_ifndef([XORG_MACROS_VERSION], 
          [m4_fatal([must install xorg-macros 1.4 or later before running autoconf/autogen])])
XORG_MACROS_VERSION(1.4)
XORG_DEFAULT_OPTIONS

AM_INIT_AUTOMAKE([foreign dist-bzip2])

AM_MAINTAINER_MODE

# Checks for programs.
AC_DISABLE_STATIC
AC_PROG_LIBTOOL
AC_PROG_CC

AH_TOP([#include "xorg-server.h"])

AC_ARG_WITH(xorg-module-dir,
            AC_HELP_STRING([--with-xorg-module-dir=DIR],
                           [Default xorg module directory [[default=$libdir/xorg/modules]]]),
            [moduledir="$withval"],
            [moduledir="$libdir/xorg/modules"])

AC_ARG_ENABLE(geodegx-panel, 
	      AC_HELP_STRING([--disable-geodegx-panel],
	      	             [Disable support for flatpanels with the Geode GX]),
	      [ ], 
	      [ AMD_CFLAGS="-DPNL_SUP $AMD_CFLAGS" ])

# Define a configure option to enable/disable ztv
AC_ARG_ENABLE(ztv,
	AS_HELP_STRING([--enable-ztv],
	    [Enable Video For Linux based ZTV driver (default: auto-detected)]),
	    [ztv=$enableval],
	    [ztv=auto])

# Check for Video4Linux Version 2 (V4L2) availability
AC_CHECK_HEADERS([linux/videodev2.h],[v4l2=yes],[v4l2=no])
if test "x$ztv" != "xno" ; then
    if test "x$v4l2" = "xno" ; then
	if test "x$ztv" = "xyes" ; then
	    # User really wants ztv but V4L2 is not found
	    AC_MSG_ERROR([ZTV driver requested, but videodev2.h not found.])
	fi
    else
	BUILD_ZTV=yes
    fi
fi
AM_CONDITIONAL(BUILD_ZTV, [test "x$BUILD_ZTV" = xyes])

# Checks for extensions
XORG_DRIVER_CHECK_EXT(RANDR, randrproto)
XORG_DRIVER_CHECK_EXT(RENDER, renderproto)
XORG_DRIVER_CHECK_EXT(XV, videoproto)
XORG_DRIVER_CHECK_EXT(DPMSExtension, xextproto)

# Checks for pkg-config packages
PKG_CHECK_MODULES(XORG, [xorg-server xproto fontsproto $REQUIRED_MODULES])
PKG_CHECK_MODULES(XEXT, [xextproto >= 7.0.99.1],
                  HAVE_XEXTPROTO_71="yes"; AC_DEFINE(HAVE_XEXTPROTO_71, 1, [xextproto 7.1 available]),
                  HAVE_XEXTPROTO_71="no")
AM_CONDITIONAL(HAVE_XEXTPROTO_71, [ test "$HAVE_XEXTPROTO_71" = "yes" ])

# Checks for libraries.
SAVE_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $XORG_CFLAGS"
AC_CHECK_DECL(XSERVER_LIBPCIACCESS,
              [XSERVER_LIBPCIACCESS=yes],[XSERVER_LIBPCIACCESS=no],
              [#include "xorg-server.h"])
CPPFLAGS="$SAVE_CPPFLAGS"

# Checks for header files.
AC_HEADER_STDC

if test "x$XSERVER_LIBPCIACCESS" = xyes; then
    PKG_CHECK_MODULES([PCIACCESS], [pciaccess >= 0.8.0])
    XORG_CFLAGS="$XORG_CFLAGS $PCIACCESS_CFLAGS"
fi

AC_SUBST([XORG_CFLAGS])
AC_SUBST([moduledir])
AC_SUBST([AMD_CFLAGS])

DRIVER_NAME=geode
AC_SUBST([DRIVER_NAME])

AC_OUTPUT([
	Makefile
	src/Makefile
	ztv/Makefile
])